- Hydraulics - Pneumatics
- Valve
- Gas safety valve
- LESER GmbH & Co. KG
Gas safety valve 462 HDDNPTfor compressorsstainless steel
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Characteristics
- Fluid
- for gas
- Connexion
- NPT
- Applications
- for compressors
- Body material
- stainless steel
- Other characteristics
- threaded, flange, compact, with bellows, stainless steel, disc
- Controlled pressure
Min.: 250 bar
(3,625.9 psi)Max.: 350 bar
(5,076.3 psi)- DN
Min.: 15 mm
(0.591 in)Max.: 25 mm
(0.984 in)
Description
Product overview
Safety valves with O-ring disc for increased tightness at high set pressures. Matched selection of threaded and flanged connections available with a standard delivery time of 2 weeks.
Approvals
Applications & Industries
The optimal solution for
Technical Features Type 462 HDD
Set pressure (according to ASME): 250 – 350 bar | 3.626 – 5.076 psig
Set pressure (according to CE): 250 – 350 bar | 3.626 – 5.076 psig
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 DIN EN 1092: G 1/2 – G 1 | R 1/2 – R 1 | DN 15 – DN 25
Connections ASME B16.5: NPT 1/2 – NPT 1 | NPS 1/2 – NPS 1
Flange class Inlet DIN EN 1092: PN 320 - PN 400
Flange class Inlet ASME B16.5: Class 1500 - Class 2500
Body material: 1.0619, 1.4408 | SA 216 WCB, SA 351 CF8M
Narrowest flow diameter d₀: 9 mm | 0.354 in
Narrowest flow area A₀: 63.6 mm² | 0.099 in²
Bellows material: Stainless steel
Seat gasket: O-ring
Characteristics / technical specifications
Safety valves with O-ring disc for increased tightness at high set pressures. Matched selection of threaded and flanged connections available with a standard delivery time of 2 weeks.
Approvals
- CE
- VdTÜV
- ASME UV (USA)
- EAC (Russia)
- TS (China)
- UKCA
- CRN (Canada)
- Bureau Veritas
- DNV
- RINA
- ABS
- Lloyd's Register
- CCS (China)
- Korean Register
- Class NK
Applications & Industries
- Chemistry
- Oil & Gas
- Petrochemical
- Energy
- Technical gases
- LNG & LPG
- Shipbuilding
- Other industries
The optimal solution for
- Compressors and pumps
- Technical gases and CO2 plants
- Chemical plants and pipelines
- Pressure vessels and piping systems carrying vapors, gases and fluids
- Thermal expansion
- High pressure technology and extraction plants
Technical Features Type 462 HDD
Set pressure (according to ASME): 250 – 350 bar | 3.626 – 5.076 psig
Set pressure (according to CE): 250 – 350 bar | 3.626 – 5.076 psig
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 DIN EN 1092: G 1/2 – G 1 | R 1/2 – R 1 | DN 15 – DN 25
Connections ASME B16.5: NPT 1/2 – NPT 1 | NPS 1/2 – NPS 1
Flange class Inlet DIN EN 1092: PN 320 - PN 400
Flange class Inlet ASME B16.5: Class 1500 - Class 2500
Body material: 1.0619, 1.4408 | SA 216 WCB, SA 351 CF8M
Narrowest flow diameter d₀: 9 mm | 0.354 in
Narrowest flow area A₀: 63.6 mm² | 0.099 in²
Bellows material: Stainless steel
Seat gasket: O-ring
Characteristics / technical specifications
- Set pressure (ASME): 250 – 350 bar
- Set pressure (CE): 250 – 350 bar
- Temperature range: -45 to 150 °C
- Capacity class: C+
- DIN connections: G 1/2 – G 1; R 1/2 – R 1; DN 15 – DN 25
- ASME connections: NPT/NPS 1/2 – 1
- Flange class (DIN inlet): PN 320 - PN 400
- Flange class (ASME inlet): Class 1500 - Class 2500
- Body materials: 1.0619, 1.4408 (SA 216 WCB, SA 351 CF8M)
- Narrowest flow diameter d₀: 9 mm; A₀: 63.6 mm²
- Bellows: stainless steel
- Seat: O-ring
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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.