Safety relief valve G 1", factory set and sealed, DN 20, 21 bar, stainless steel 1.4404

Safety valves of this design take over the pressure side protection of receivers and pipe networks. This model opens at 21 bar and discharges up to 3967 m³/h. It has the G 1" connection, nominal size DN 20 and a body in stainless steel 1.4404.

Advantages

• Set pressure fixed at 21 bar and lead sealed, so no adjustment is possible during operation.
• All metal design in stainless steel 1.4404, vibration resistant and suitable for continuous use from -20 to +200 °C.
• Compact all metal shape with an overall height H of 111 mm and a height h of 14 mm.
• Type tested and permanently marked with TÜV-SV...-2055.20.D/G.0,77 CE0036 21 bar.
• Connection thread G 1" with 41 mm across flats, mounted with a standard open end wrench.

Applications

• Compressed air receivers and compressor stations with a permissible working pressure up to 21 bar
• Pipelines and manifolds for non toxic, non flammable gases with a G 1" connection
• Test benches and machines where a discharge capacity of 3967 m³/h has to be protected
• Systems with increased demands on the corrosion resistance of material 1.4404

Standards and conformity

The valve is type tested and carries the component marking TÜV-SV...-2055.20.D/G.0,77 CE0036 21 bar together with the CE identification number 0036. It is supplied exclusively with a fixed setting and lead seal. A certification to the ASME Boiler and Pressure Vessel Code, Section VIII Div. 1 and a setting certificate to 3.1 are available on request.