CEN/TC 236 - Non industrial manually operated shut-off valves for gas and particular combinations valves-other products

1.1 This European Standard specifies the characteristics for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking provisions.
It applies to metallic valves not directly buried for domestic and commercial installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 × 105 Pa, 0,5 × 105 Pa, 1 × 105Pa, 5 × 105 Pa and 20 × 105Pa and with temperature limits from -5 °C or −20 °C to + 60 °C.
NOTE   "Not directly buried" within the context of this standard means that valves below ground are not in direct contact with earth or other materials e.g. that they are in a protected encasement.
1.2 Valve nominal sizes (DN) covered by this European Standard are as follows: 6, 8, 10, 12, 15, 20, 25, 32, 40, 50, 65, 80, 100.

These valves are suitable for connection of the fixed gas supply system to domestic appliances inside or outside a dwelling using 2nd or 3rd Family gases and at a pressure of up to and including 0,5 bar.
These valves are designed for the use with either movable appliances or for the connection of fixed appliances.

The objective of this European Standard is to achieve safe operation of strip wound flexible metallic gas hose assemblies by specifying the requirements of performance, materials and test methods.
The strip wound flexible metallic gas hose assemblies as specified are suitable for the connection of domestic appliances inside or outside a dwelling, using gas at a pressure lower than 0,5 bar.
These assemblies are designed for the use with movable appliances; they may also be used for the connection of fixed appliances.
Where these assemblies are directly connected to a valve, such a valve shall be compatible with the strip wound flexible metallic gas hose assembly and shall conform to prEN � (WI 00236004).
The term gas relates to a first, second or third family gas as referred to in EN 437, Table 1. These gases are commonly referred to as manufactured gases, natural gases or petroleum gases (LPG).

Replace the second paragraph of clause 1.1 with the following:
"It applies to metallic valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437) and working up to 0,2 ´ 105 Pa, 0,5 ´ 105 Pa and 5 ´ 105 Pa."

1.1 This European standard specifies the general requirements for the construction, performance and safety of ball valves and closed bottom taper plug valves. It also details the test methods and marking requirements. It applies to valves for domestic and commercial not directly buried installations inside or outside of buildings, using gases of the first, second and third family (specified in EN 437).