Standard Specification for Kettles, Steam-Jacketed, 32 oz to 20 gal (1 to 75.7 L), Tilting, Table Mounted, Direct Steam, Gas and Electric Heated

ABSTRACT
This specification covers jacketed kettles using steam as a source of heat for cooking food in commercial and institutional food service establishments. However, it does not cover equipment used by food processors. Covered by this specification are jacketed kettles of various sizes (capacities), grades (Grades 1-3 based on maximum working pressure), styles (Styles 1-5 according to mounting configuration), and classes (Classes A-D based on steam source, whether direct steam or gas-fired or electric steam generator). Kettle and steam jacket shall be manufactured from Type 304, 304L, 316, or 316L corrosion resistant steel. All exterior surfaces of Styles 3-5 kettle stands and bases shall be made of Type 302, 304, 316, or 430 corrosion resistant steel, while those of the kettle mount or support base shall be chrome plated or made of Type 304, 316, or 430 corrosion resistant steel such as for exterior surfaces of console and base of Class B and C kettles. As specified, the kettles shall be provided with the following components: insulation casing, covers and/or operating handles, safety relief valve, swing spout water supply, basket insert, tilt mechanism (hand or crank tilt), kettle mount or support base, control box, safety cut-off, and thermostat. The kettle shall be tested for capacity, heating time, and energy utilization, and shall conform to the requirements specified.
SCOPE
1.1 This specification covers jacketed kettles that use steam as a heat source for cooking food in commercial and institutional food service establishments. This specification does not cover equipment used by food processors who normally package the food that they cook.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Published
Publication Date
31-Dec-2022
Technical Committee
F26 - Food Service Equipment

Relations

Effective Date
01-Nov-2023
Effective Date
01-Oct-2023
Effective Date
01-Jul-2020
Effective Date
01-May-2018
Effective Date
01-Nov-2017
Effective Date
01-Nov-2017
Effective Date
01-Dec-2016
Effective Date
01-Sep-2016
Effective Date
01-May-2016
Effective Date
01-Dec-2015
Effective Date
01-Nov-2015
Effective Date
01-May-2015
Effective Date
01-Mar-2015
Effective Date
01-Mar-2015
Effective Date
01-Jan-2015

Overview

ASTM F1603-17(2023) is the standard specification for steam-jacketed tilting kettles ranging from 32 ounces to 20 gallons (1 to 75.7 liters). These kettles are designed for table mounting and may use direct steam, gas, or electric heating. The standard applies to commercial and institutional food service establishments, setting requirements for material construction, design, testing, and safety features. By providing consistent quality benchmarks, ASTM F1603-17(2023) ensures reliable, safe, and efficient food preparation processes in professional kitchens.

Key Topics

  • Scope and Purpose: Defines steam-jacketed kettles used in commercial kitchens, excluding food processing equipment meant for packaging.
  • Capacity and Classification: Kettles covered range from 32 oz (1 L) up to 20 gal (75.7 L), with classification by size, grade (pressure rating), style (mounting configuration), and class (steam source).
  • Material Requirements: Mandates corrosion-resistant steel, such as Type 304, 304L, 316, or 316L, for kettle and jacket construction. Stands and support bases use similar or equivalent corrosion-resistant materials.
  • Standard Features and Components: Requires features like insulation casings, safety relief valves, basket inserts, tilt mechanisms (hand or crank), water supply swing spouts, control boxes, and thermostats.
  • Design and Construction: Specifies standards for assembly, safety, installation, and performance, including heat-up times, energy utilization, and load-bearing capacity.
  • Testing and Compliance: Outlines necessary testing for capacity, heating time, and energy utilization, plus third-party certification for compliance with health and safety regulations.
  • Safety and Reliability: Ensures kettles meet ANSI and ASME codes for electrical, gas, and steam safety, and mandates clear marking, manuals, and packaging procedures.

Applications

Steam-jacketed kettles conforming to ASTM F1603-17(2023) are essential in:

  • Commercial Kitchens and Institutional Foodservice: Such as cafeterias, hospitals, schools, prisons, and restaurants, where large volumes of soups, sauces, and stews are prepared efficiently and safely.
  • Military and Naval Galleys: Supplemental requirements ensure compliance for shipboard use, including vibration resistance, electromagnetic compatibility, and operational safety in demanding environments.
  • Centralized Cooking Operations: Where consistent temperature control, rapid heating, and safe food handling are critical to daily production.
  • Government and Federal Installations: The standard incorporates procurement and quality assurance guidelines tailored for public sector requirements.

Related Standards

Implementing ASTM F1603-17(2023) may require reference to other standards, including:

  • ASTM A240/A240M: Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip
  • ASME Boiler and Pressure Vessel Code, Sections IV & VIII: For pressure vessel design and safety
  • ANSI/NSF Std. 4: Commercial Cooking and Hot Food Holding Equipment
  • ANSI/UL 197: Commercial Electric Cooking Appliances
  • ANSI Z83.11 and ANSI Z223.1: Gas foodservice safety codes
  • F1785: Test Method for Performance of Steam Kettles
  • F1166: Human Engineering Design for Marine Systems

Compliance with these referenced standards helps guarantee that steam-jacketed kettles are safe, efficient, and suitable for integration with other commercial kitchen or institutional operations.


Keywords: steam-jacketed kettle, commercial food service equipment, ASTM F1603-17, commercial kitchen standard, gas and electric heated kettle, direct steam kettle, institutional cooking, food equipment safety, pressure vessel standards, stainless steel kettle, kettle testing requirements.

Buy Documents

Technical specification

ASTM F1603-17(2023) - Standard Specification for Kettles, Steam-Jacketed, 32 oz to 20 gal (1 to 75.7 L), Tilting, Table Mounted, Direct Steam, Gas and Electric Heated

English language (6 pages)
sale 15% off
sale 15% off

Get Certified

Connect with accredited certification bodies for this standard

ICC Evaluation Service

Building products evaluation and certification.

ANAB United States Verified

QAI Laboratories

Building and construction product testing and certification.

ANAB United States Verified

Aboma Certification B.V.

Specialized in construction, metal, and transport sectors.

RVA Netherlands Verified

Sponsored listings

Frequently Asked Questions

ASTM F1603-17(2023) is a technical specification published by ASTM International. Its full title is "Standard Specification for Kettles, Steam-Jacketed, 32 oz to 20 gal (1 to 75.7 L), Tilting, Table Mounted, Direct Steam, Gas and Electric Heated". This standard covers: ABSTRACT This specification covers jacketed kettles using steam as a source of heat for cooking food in commercial and institutional food service establishments. However, it does not cover equipment used by food processors. Covered by this specification are jacketed kettles of various sizes (capacities), grades (Grades 1-3 based on maximum working pressure), styles (Styles 1-5 according to mounting configuration), and classes (Classes A-D based on steam source, whether direct steam or gas-fired or electric steam generator). Kettle and steam jacket shall be manufactured from Type 304, 304L, 316, or 316L corrosion resistant steel. All exterior surfaces of Styles 3-5 kettle stands and bases shall be made of Type 302, 304, 316, or 430 corrosion resistant steel, while those of the kettle mount or support base shall be chrome plated or made of Type 304, 316, or 430 corrosion resistant steel such as for exterior surfaces of console and base of Class B and C kettles. As specified, the kettles shall be provided with the following components: insulation casing, covers and/or operating handles, safety relief valve, swing spout water supply, basket insert, tilt mechanism (hand or crank tilt), kettle mount or support base, control box, safety cut-off, and thermostat. The kettle shall be tested for capacity, heating time, and energy utilization, and shall conform to the requirements specified. SCOPE 1.1 This specification covers jacketed kettles that use steam as a heat source for cooking food in commercial and institutional food service establishments. This specification does not cover equipment used by food processors who normally package the food that they cook. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ABSTRACT This specification covers jacketed kettles using steam as a source of heat for cooking food in commercial and institutional food service establishments. However, it does not cover equipment used by food processors. Covered by this specification are jacketed kettles of various sizes (capacities), grades (Grades 1-3 based on maximum working pressure), styles (Styles 1-5 according to mounting configuration), and classes (Classes A-D based on steam source, whether direct steam or gas-fired or electric steam generator). Kettle and steam jacket shall be manufactured from Type 304, 304L, 316, or 316L corrosion resistant steel. All exterior surfaces of Styles 3-5 kettle stands and bases shall be made of Type 302, 304, 316, or 430 corrosion resistant steel, while those of the kettle mount or support base shall be chrome plated or made of Type 304, 316, or 430 corrosion resistant steel such as for exterior surfaces of console and base of Class B and C kettles. As specified, the kettles shall be provided with the following components: insulation casing, covers and/or operating handles, safety relief valve, swing spout water supply, basket insert, tilt mechanism (hand or crank tilt), kettle mount or support base, control box, safety cut-off, and thermostat. The kettle shall be tested for capacity, heating time, and energy utilization, and shall conform to the requirements specified. SCOPE 1.1 This specification covers jacketed kettles that use steam as a heat source for cooking food in commercial and institutional food service establishments. This specification does not cover equipment used by food processors who normally package the food that they cook. 1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only. 1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM F1603-17(2023) is classified under the following ICS (International Classification for Standards) categories: 91.140.65 - Water heating equipment. The ICS classification helps identify the subject area and facilitates finding related standards.

ASTM F1603-17(2023) has the following relationships with other standards: It is inter standard links to ASTM A240/A240M-23a, ASTM D3951-18(2023), ASTM F1785-97(2020), ASTM D3951-18, ASTM F760-93(2017), ASTM A240/A240M-17, ASTM A240/A240M-16a, ASTM A580/A580M-16, ASTM A240/A240M-16, ASTM D3951-15, ASTM A240/A240M-15b, ASTM A580/A580M-15, ASTM A240/A240M-15a, ASTM F1785-97(2015), ASTM A240/A240M-15. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

ASTM F1603-17(2023) is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: F1603 − 17 (Reapproved 2023) An American National Standard
Standard Specification for
Kettles, Steam-Jacketed, 32 oz to 20 gal (1 to 75.7 L),
Tilting, Table Mounted, Direct Steam, Gas and Electric
Heated
This standard is issued under the fixed designation F1603; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope A285/A285M Specification for Pressure Vessel Plates, Car-
bon Steel, Low- and Intermediate-Tensile Strength
1.1 This specification covers jacketed kettles that use steam
A516/A516M Specification for Pressure Vessel Plates, Car-
as a heat source for cooking food in commercial and institu-
bon Steel, for Moderate- and Lower-Temperature Service
tional food service establishments. This specification does not
A580/A580M Specification for Stainless Steel Wire
cover equipment used by food processors who normally
B456 Specification for Electrodeposited Coatings of Copper
package the food that they cook.
Plus Nickel Plus Chromium and Nickel Plus Chromium
1.2 The values stated in inch-pound units are to be regarded
D3951 Practice for Commercial Packaging
as the standard. The values given in parentheses are for
F760 Specification for Food Service Equipment Manuals
information only.
F1166 Practice for Human Engineering Design for Marine
1.3 This standard does not purport to address all of the
Systems, Equipment, and Facilities
safety concerns, if any, associated with its use. It is the F1785 Test Method for Performance of Steam Kettles
responsibility of the user of this standard to establish appro-
2.2 ANSI Standards:
priate safety, health, and environmental practices and deter- ANSI/UL 197 Commercial Electric Cooking Appliances
mine the applicability of regulatory limitations prior to use.
ANSI Z83.11 Gas Food Service Equipment—Kettles, Steam
1.4 This international standard was developed in accor- Cookers and Steam Generators
dance with internationally recognized principles on standard-
ANSI/NSF Std. 4 Commercial Cooking and Hot Food Stor-
ization established in the Decision on Principles for the age Equipment
Development of International Standards, Guides and Recom- ANSI Z223.1 National Fuel Gas Code
mendations issued by the World Trade Organization Technical
ANSI/NFPA 70 National Electrical Code
Barriers to Trade (TBT) Committee. ANSI Z1.4 Sampling Procedures and Tables for Inspection
by Attributes
2. Referenced Documents
2.3 ASME Standards:
ASME Boiler and Pressure Vessel Code, Section IV Heating
2.1 ASTM Standards:
Boilers
A176 Specification for Stainless and Heat-Resisting Chro-
ASME Boiler and Pressure Vessel Code, Section VIII—
mium Steel Plate, Sheet, and Strip (Withdrawn 2015)
Division 1 Pressure Vessels
A240/A240M Specification for Chromium and Chromium-
2.4 Military Standards:
Nickel Stainless Steel Plate, Sheet, and Strip for Pressure
MIL-STD-167/1 Mechanical Vibration of Shipboard Equip-
Vessels and for General Applications
ment (Type I—Environmental, and Type II—Internally
Excited)
This specification is under the jurisdiction of ASTM Committee F26 on Food
Service Equipment and is the direct responsibility of F26.02 on Cooking and
Warming Equipment. Available from American National Standards Institute (ANSI), 25 W. 43rd St.,
Current edition approved Jan. 1, 2023. Published February 2023. Originally 4th Floor, New York, NY 10036, http://www.ansi.org.
approved in 1995. Last previous edition approved in 2017 as F1603 – 17. DOI: Available from American Society of Mechanical Engineers (ASME), ASME
10.1520/F1603-17R23. International Headquarters, Three Park Ave., New York, NY 10016-5990, http://
For referenced ASTM standards, visit the ASTM website, www.astm.org, or www.asme.org.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Available from Standardization Documents Order Desk, Bldg. 4 Section D, 700
Standards volume information, refer to the standard’s Document Summary page on Robbins Ave., Philadelphia, PA 19111-5094, Attn: NPODS; or Acquisition Stream-
the ASTM website. lining and Standardization Information System (ASSIST) which is the official
The last approved version of this historical standard is referenced on www.ast- source of all documents listed in the DoD Index of Specifications and Standards.
m.org. The ASSIST can be located at http://dsp.dla.mil.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
F1603 − 17 (2023)
MIL-STD-461 Requirements for the Control of Electromag- 5.1.1 ASTM specification number and date of issue.
netic Interference Characteristics of Subsystems and 5.1.2 Quantity to be furnished.
Equipment 5.1.3 Size (capacity).
MIL-STD-1399/300 Interface Standard for Shipboard 5.1.4 Grade.
Systems, Section 300A Electric Power, Alternating Cur- 5.1.5 Style.
rent 5.1.6 Class.
5.1.7 Assurance that:
3. Terminology
5.1.7.1 Gas fired unit(s) will be installed in accordance with
the installation instructions and the National Fuel Gas Code
3.1 Definitions of Terms Specific to This Standard:
ANSI Z223.1.
3.1.1 jacketed kettle—as used in this specification, a tilting
5.1.7.2 Electric heat unit(s) will be installed in accordance
or stationary, deep sided vessel (steam jacketed) of 32 oz to 20
with the installation instructions and the National Electrical
gal (1 to 75.7 L) capacity for cooking food in a liquid.
Code ANSI/NFPA 70.
3.1.1.1 Discussion—These kettles can be mounted onto the
purchaser’s table or be specified already mounted on any of the
5.2 The following options should be reviewed and, if any
stands or bases described in 4.1.3. The energy in the steam
are desired, they should also be included in the order.
moving through the jacket is transferred to the liquid and to the 5.2.1 When a cover is required.
food by condensation of the steam on the vessel wall.
5.2.2 When required, the maximum allowable width for
Style 2 through Style 5 (4.1.3.2 – 4.1.3.5).
4. Classification
5.2.3 When required, for Style 1 kettles, the desired pouring
height to the table top (7.2.2).
4.1 Jacketed kettles covered by this specification are classi-
5.2.4 When two identical side by side kettles are desired in
fied by size (capacity), grade, style and class.
Style 2, 3, 4 or 5 (4.1.3.2 – 4.1.3.5).
4.1.1 Size (Capacity):
5.2.5 When a wire basket (7.1.6) is required.
4.1.1.1 32 oz (1 L) capacity.
5.2.6 When Federal/Military procurement(s) is involved,
4.1.1.2 66 oz (2 L) capacity.
refer to the supplement pages.
4.1.1.3 2 ⁄2 to 3 gal (9.5 to 11.4 L) capacity.
5.2.7 When Class B and C kettles are to be shipped from the
4.1.1.4 5 to 6 gal (19 to 22.7 L) capacity.
factory without the supply of water in the jacket (7.3.2 and
4.1.1.5 10 to 12 gal (37.9 to 45.5 L) capacity.
7.3.3).
4.1.1.6 20 gal (75.7 L) capacity.
5.2.8 If type 430 corrosion-resistant steel is not desired for
4.1.2 Grade:
the enclosed cabinet Styles 3 and 4 (4.1.3).
4.1.2.1 Grade 1—Maximum Working Pressure Rating of 15
5.2.9 When a water faucet with a swing spout is required.
to 25 psig (103.4 to 172.4 KPa) or less.
5.2.10 When fill level marks are to be etched on kettle
4.1.2.2 Grade 2—Maximum Working Pressure Rating of 26
interior.
to 55 psig (179.3 to 379.2 KPa) or less.
5.2.11 When insulation is required on the outside of the
4.1.2.3 Grade 3—Maximum Working Pressure Rating of 56
kettle body or steam jacket.
to 90 psig (386.1 to 620.5 KPa) or less.
5.2.12 Type of gas, if applicable: natural, propane or other
4.1.3 Style:
(specify gas composition, heating value in BTU per cubic foot
4.1.3.1 Style 1—For table mounting on a counter.
and specific gravity of gas).
4.1.3.2 Style 2—Table mounted on an open leg equipment
5.2.13 Electrical power supply characteristics: voltage,
stand.
frequency, phase, kW input, or amp load, as applicable.
4.1.3.3 Style 3—Table mounted on an enclosed cabinet
5.2.14 When other than manufacturer’s standard,
stand.
commercial, domestic packaging is required, specify packag-
4.1.3.4 Style 4—Table mounted on a 28 to 30-in. (711 to
ing requirements (14.3).
762-mm) high enclosed cabinet base.
5.2.15 When special or supplement requirements such as
4.1.3.5 Style 5—Table mounted on a 28 to 30-in. (711 to
inspections, accessories, mounting patterns, utility
762-mm) high enclosed cabinet base with a Class D steam
connections, etc.
source.
5.2.16 When specified, a certification to ensure that samples
4.1.4 Class:
representing each lot have been either tested or inspected as
4.1.4.1 Class A—Directly connected to an external steam
directed and the requirements have been met. When specified,
source.
a copy of the certification or test results, or both, shall be
4.1.4.2 Class B—Self-contained, gas-fired steam generator.
furnished to the purchaser.
4.1.4.3 Class C—Self-contained, electric steam generator.
4.1.4.4 Class D—A separate ASME Code, Section IV heat-
6. Materials
ing boiler as steam source. (Typically used as steam source for
6.1 General—Steam jacketed kettles shall conform to the
multiple table top kettles.)
following:
5. Ordering Information
6.2 Kettle—The kettle vessel shall be constructed of Type
5.1 An order for a kettle(s) under this specification shall 304, 304L, 316, or 316L corrosion resistant steel conforming to
specify: Specification A176 or A240/A240M.
F1603 − 17 (2023)
6.3 Steam Jacket—Jacket shall be constructed of Type 304, is no permanent distortion as a result of normal use, or
304L, 316, or 316L corrosion resistant steel conforming to accumulation of liquid or debris on the cover which could
Specification A240/A240M. contaminate the food zone during opening or closing of the
6.3.1 Class B Steam Jackets—Class B jackets shall be cover.
fabricated from material conforming to Specification A285/
7.1.3.1 Operating Handles—Kettle rim shall have a lug(s)
A285M or A516/A516M material and skirted with Type 302 or
for a handle to tilt the kettle, if applicable.
304 corrosion resistant steel conforming to Specification A240/
7.1.4 Safety Relief Valve:
A240M.
7.1.4.1 Class A, Class B, and Class C kettles shall be
6.4 Exterior of Style 3, 4 and 5 Kettle Stands and Bases—
provided with a safety valve on the steam jacket or on the
Unless otherwise specified, material shall be Types 302, 304,
steam inlet pipe to the jacket. Valve shall be constructed in
316, or 430 corrosion resistant steel conforming to Specifica-
accordance with the applicable requirements of the ASME
tion A240/A240M or to Specification A176, as applicable, and
Boiler and Pressure Vessel Code Section VIII, Division 1.
thickness shall be 20 gauge minimum [0.0375 in. (1 mm) U.S.
7.1.4.2 Class D steam generators shall be provided with a
revised standard gauge].
safety valve on the steam jacket or on the steam outlet pipe.
Valve shall be constructed in accordance with the applicable
6.5 Kettle Mount/Support Base—All exterior surfaces shall
requirements of the ASME Boiler and Pressure Vessel Code
be chrome plated in accordance with Specification B456 or
Section IV.
Type 304, 316, or 430 corrosion resistant steel conforming to
Specification A176 or A240/A240M, as applicable. 7.1.4.3 Valve shall be positioned so that its discharge port
will vent steam downward.
6.6 Controls Console of Class B and C Kettles—All exposed
7.1.4.4 The relief pressure of the valve shall be equal to or
surfaces of the console and kettle base shall be Type 304, 316,
less than the maximum working pressure of the kettle.
or 430 corrosion resistant steel conforming to Specification
A240/A240M or A176, as applicable. 7.1.5 Swing Spout Water Supply—Each kettle shall be pro-
vided with a swing spout with a companion on/off valve when
specified. The swing spout assembly should be made of
7. Design and Construction
stainless steel or chromium plated, in accordance with Speci-
7.1 General—Kettle shall be delivered assembled, ready for
fication B456. The bracket and swing spout shall be positioned
connection to steam, water, electricity or gas piping, as
so that the outlet end of the spout is a minimum of ⁄2 in. (13
applicable. The kettles are to be equipped with a suitable drain
mm) above the top rim of the kettle. The swing spout supplied
and exhaust steam termination, if applicable. The height from
with tilting kettles shall be mounted independent of the kettle
the floor to the top rim of the kettle shall not exceed 46 in.
body.
(1150 mm).
7.1.6 Basket Insert—When specified, each kettle shall be
7.1.1 Jacketed Steam Chamber—The steam containing part
provided with a basket insert. The length and diameter of the
of the kettle shall be rated for the following allowable working
basket shall fit inside the insides of the kettle body and shall be
pressure (WP):
fitted with handles. The basket shall be fabricated of Type 304
7.1.1.1 Direct Connected Kettles—Minimum 25 psi (1.76
or 316 corrosion resistant steel perforated sheet metal conform-
kg/cm ).
ing to Specification A176 or A240/A240M, or Type 304 or 316
7.1.1.2 Self-Generating Kettles—Minimum 30 psi (2.19 kg/
2 wire in accordance with Specification A580/A580M, as appli-
cm ).
cable. For wire baskets, the space between wires shall not be
7.1.1.3 Design and construction of the steam chamber of
greater than 3/8 in. (9.5 mm). For perforated baskets, holes
Class A, Class B and Class C kettles shall be in accordance
1 3
shall be ⁄4 in. (6.4 mm) or ⁄8 in. (9.5 mm) diameter unless
with the ASME Boiler and Pressure Vessel Code, Section VIII,
otherwise specified. A contour-fitted nylon bag with a stainless
Division 1 with a National Board Registration number.
steel spreader ring shall be furnished with each basket.
7.1.1.4 Design and construction of the steam chamber of
7.1.7 Tilt Mechanism:
Class D steam generator shall be in accordance with the ASME
7.1.7.1 Hand Tilt Mechanism—The tilt mechanism, through
Boiler and Pressure Vessel Code, Section IV for Heating
its operating handle, shall provide the user a smooth pull
Boilers with CSD controls and National Board Registration.
against resistance to tilt a kettle that is filled to capacity. When
7.1.2 Insulation Casing—When insulation is required, it
the pull on the operating handle is relaxed the kettle shall return
shall be contained in a cylindrical casing designed to conform
to its upright position. Kettle shall be tiltable to past 90° from
to the kettle body and steam jacket. The clearance between the
normal operating position.
inner and outer liner of the casing shall be sufficiently wide to
(1) When specified, a locking system shall be provided to
keep the exterior surface of the kettle from exceeding 140°F
prevent accidental tilting. This lock shall have an easy release
(60°C) during operation. The outer liner shall be corrosion-
mechanism to tilt the kettle.
resistant steel conforming to Specification A176 or A240/
A240M. The top of the casing shall be attached to the kettle’s 7.1.7.2 Crank Tilt Mechanism—Shall be provided when
canopy with stainless steel fasteners or rivets. The bottom of
specified. The tilt mechanism shall provide the smooth, quick-
the casing shall terminate below the steam jacket. acting,
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.

Loading comments...