- Hydraulics - Pneumatics
- Valve
- Gas safety valve
- LESER GmbH & Co. KG
Gas safety valve 439NPTDINlow-pressure
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Characteristics
- Fluid
- gas
- Connexion
- DIN, NPT
- Applications
- low-pressure, for the chemical industry, for compressors
- Body material
- stainless steel, steel
- Other characteristics
- flange, compact, high-performance, oil
- DN
Min.: 15 mm
(0.591 in)Max.: 25 mm
(0.984 in)- Pressure
Min.: 0.1 bar
(1.5 psi)Max.: 16 bar
(232.1 psi)
Description
Safety valve with vulcanized soft seal for increased tightness at low set pressures.
Applications & Industries
Energy
LNG & LPG
Shipbuilding
Other industries
The optimal solution for:
Technical gases and CO2 plants
Thermal expansion
Temperature
(according to ASME) - -45 to 150 °C | -49 to 302 °F
Temperature
(according to CE) - -45 to 150 °C | -49 to 302 °F
Capacity
C-
Connections ASME B16.5
NPT: NPS 1/2 to NPS 1 | NPS 1/2 to NPS 1
Flange class Inlet DIN EN 1092
PN 40 - PN 400
Flange class Inlet ASME B16.5
Class 150 - Class 2500
Body material
1.4104, 1.4404 | SA 479 430, SA 479 316L
Narrowest flow diameter d₀
10 mm | 0.394 in
Narrowest flow area A₀
78.5 mm² | 0.122 in²
Seat gasket
Vulcanized soft seal
Catalogs
Critical_Service_Catalog_EN
73 Pages
Catalog_High_Performance_2_EN
144 Pages
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.