ISO/TC 131/SC 5/WG 3 - Pneumatic control products

This document specifies test procedures for measuring the shifting times of electrically or pneumatically operated directional control valves. It is applicable to monostable and bistable pneumatic directional control valves, with 2 or 3 position functions.

This document specifies the test procedures and a method of presenting results concerning the parameters which define the main characteristics to be included in the supplier's literature of the electro-pneumatic continuous pressure control valves, conforming to ISO 10094-1. The purpose of this document is: — to facilitate comparison by standardizing the test methods and the presentation of the test results, and — to assist in the proper application of these components in compressed air systems. The specified tests are intended to allow comparison between the different types of continuous pressure control valves; these are not production tests to be carried out on each manufactured product. The tests described in this document are for components with an exhaust port vented to the atmosphere. NOTE 1 The tests related to non-electrically modulated pneumatic continuous pressure control valves are specified in ISO 6953-2. NOTE 2 The tests related to electro-pneumatic continuous flow control valves are specified in ISO 10041-2. NOTE 3 ISO 6953-3 provides an alternate dynamic test method for flow-rate characteristics using an isothermal tank instead of a flow meter. However, this method measures only the decreasing flow rate part of the hysteresis curve of the forward flow and relief flow characteristics.

This document specifies which characteristics of electro-pneumatic continuous pressure control valves are to be included in the supplier's literature. In accordance with ISO 5598, these control valves include: — electrically modulated pneumatic proportional pressure valves, — proportional pressure control valves without electronic pressure feedback, and — proportional pressure control valves with electronic pressure feedback. This document is limited to the characterization of components with an exhaust port to the atmosphere. NOTE 1 The characteristics of non-electrically modulated pneumatic pressure control valves are specified in ISO 6953‑1. NOTE 2 The characteristics of electro-pneumatic continuous flow control valves are specified in ISO 10041‑1.

This document specifies a discharge test and a charge test as alternative methods for testing pneumatic fluid power components that use compressible fluids, i.e. gases, and that have internal flow passages that can be either fixed or variable in size to determine their flow-rate characteristics. However, this document does not apply to components whose flow coefficient is unstable during use, i.e. components that exhibit remarkable hysteretic behaviour (because they can contain flexible parts that deform under the flow) or that have an internal feedback phenomenon (such as regulators), or components that have a cracking pressure such as non-return (check) valves and quick-exhaust valves. In addition, it does not apply to components that exchange energy with the fluid during flow-rate measurement, e.g. cylinders, accumulators. NOTE This document does not provide a method to determine if a component has hysteretic behaviour; ISO 6358‑1 does provide such a method.

ISO 20401:2017 specifies the pin assignment for pneumatic directional control valves when used together with 8 mm and 12 mm diameter electrical round connectors according to IEC 60947-5-2. This definition is valid for connectors as shown in IEC 60947-5-2:2004, Figures D.2 and D.4, which are shown in Clause 4.

This part of ISO 5599 specifies the requirements for a mounting interface surface with optional electrical connector for five-port pneumatic directional control valves, for use at a maximum rated pressure of [ 1)]. It gives
— dimensions and tolerances of the interface features,
— port identification,
— identification of the result of control-mechanism actuation, and
— dimensions, tolerances and specifications for optional interface electrical connector mating.
It is not applicable to the functional characteristics of interfaces.

This part of ISO 5599 specifies the requirements for a mounting interface surface without electrical connector for fiveport pneumatic directional control valves, for use at a maximum rated pressure of [ 1)]. It gives
— dimensions and tolerances of the interface features,
— port identification, and
— identification of the result of control-mechanism actuation.
It is not applicable to the functional characteristics of interfaces.

This part of ISO 5599 specifies the requirements for a mounting interface surface with optional electrical connector for five-port pneumatic directional control valves, for use at a maximum rated pressure of [ 1)]. It gives
— dimensions and tolerances of the interface features,
— port identification,
— identification of the result of control-mechanism actuation, and
— dimensions, tolerances and specifications for optional interface electrical connector mating.
It is not applicable to the functional characteristics of interfaces.

ISO 17082:2004 specifies which data are to be included in the manufacturer's supplier literature that accompanies any kind of pneumatic valve. These data are vital in selecting the proper valve for a particular application.

ISO 15407-2:2002 specifies dimensions and tolerances of the interface features, port identification, identification of the result of control-mechanism actuation, dimensions, tolerances and specifications for optional interface electrical connector mateability for a mounting interface and electrical connector for five-port pneumatic directional control valves, sizes 18 mm and 26 mm, for use at a maximum rated pressure of 1,6 MPa (16 bar). ISO 15407-2:2002 is not applicable to the functional characteristics of interfaces.

ISO 8778:2003 specifies a standard atmospheric reference value to be used in pneumatic fluid power technology for stating the performance data of components and systems.

ISO 15218:2003 specifies the dimensions of 3/2 solenoid valves for four sizes of mounting interface surfaces, with three holes for flow passages, two holes for fixing screws and requirements for a sealing surface, for use at a maximum rated pressure of 1,6 MPa (16 bar).

This part of ISO 5599 specifies the requirements for a mounting interface surface with optional electrical connector for five-port pneumatic directional control valves, for use at a maximum rated pressure of [ 1)]. It gives
— dimensions and tolerances of the interface features,
— port identification,
— identification of the result of control-mechanism actuation, and
— dimensions, tolerances and specifications for optional interface electrical connector mating.
It is not applicable to the functional characteristics of interfaces.

This part of ISO 5599 specifies the requirements for a mounting interface surface without electrical connector for fiveport pneumatic directional control valves, for use at a maximum rated pressure of [ 1)]. It gives
— dimensions and tolerances of the interface features,
— port identification, and
— identification of the result of control-mechanism actuation.
It is not applicable to the functional characteristics of interfaces.

This International Standard specifies the following characteristics and requirements for a general-purpose, electrical-plug connector with two or three contacts plus earth, for use with solenoids: _ the electrical characteristics of the connector; _ the dimensions of the contacts; _ the means of fixing the plug to the socket; _ the sealing procedure between the plug and the socket; _ usage requirements. The electrical-plug connector specified in this International Standard is intended to be used under working conditions such that the connector cannot be damaged by external action (for example, shock or excessive loading).

1.1 This International Standard includes rules for identifying and marking ports in pneumatic directional control valves. These ports are the main flow connections, control connections and pilot supply connections. 1.2 This International Standard includes rules for identifying and marking electrical leads for solenoids. It is not applicable to internal electrical connections across manifold sections, such as connections to bus systems. 1.3 This International Standard includes rules for identifying and marking control mechanisms of directional control valves. 1.4 This International Standard includes rules for identifying and marking ports and/or flow path directions in filters, regulators, lubricators, non-return (check) valves, flow control valves and other ancillary devices. 1.5 This International Standard does not include rules for identifying and marking ports on proportional pneumatic valves, air logic valves, cylinders, air motors, semi-rotary actuators, air compressors, air dryers or other devices not specifically described in this International Standard.

ISO 20401:2005 specifies the pin assignment for pneumatic directional control valves when used together with electrical connectors according to IEC 60947-5-2:2004.

This International Standard — specifies test procedures for measuring the shifting times of electrically- or pneumatically-operated directional control valves and moving-part logic elements, — establishes a definition for shifting time, and — is intended to improve the application of pneumatic fluid power by providing users and manufacturers of pneumatic valves with a standardized test procedure for measuring the shifting time it defines.

This part specifies the codification system to be used for communication purposes. Defines functions of valve operators used on the various sizes of mounting surfaces complying with the requirements of ISO 5599-1. This codification system is not to be applied directly to the product as is does not describe the many attributes which affect performance interchangeability.

Specifies: dimensions and tolerances of the interface features; port identification; identification of the result of operator actuation; dimensions, tolerances, and specifications for connector mateability. Does not apply to the functional characteristics of interfaces. The informative annex A contains the bibliography.

Specifies: dimensions and tolerances of the interface features; port identification; identification of the result of operator actuation. Does not apply to the functional characteristics of interfaces. Figure 1 and table 1 include the sizes 1, 2 and 3; figure 2 and table 2 include the sizes 4, 5 and 6; figure 3 and table 3 include the form and location of interface features. The informative annex A contains the bibliography. This second edition cancels and replaces the first edition (1978).