Mack Valves Cryogenics-Check Valves | ...
Mack Valves - Cryogenics-Check Valves | 1258, 1256 Series
The 1258 & 1256 Series can be used for Liquid, Gas & Oxygen Services.
- Brass
- -196°C to +190°C
- 5.0 Mpa (725 psi), Non-Shock Cold
- Degreased, Packed and labelled for Oxygen Service (ASTM G93)
- Design accordance with EN12516 part 1 & 2, AS1210, EN1626, ASME B16.34
- End Connection: ISO 7-1, ASME B1.20.1
- Tested to ISO 5208, API 598
- CE, Pressure Equipment Directive (97/23/EC)
- Various materials (Monel), schedule pipe and tube connection are available upon request
To contact Mack Valves about Mack Valves Cryogenics-Check Valves | 1258, 1256 Series use Get a quote.
- Brass
- -196°C to +190°C
- 5.0 Mpa (725 psi), Non-Shock Cold
- Degreased, Packed and labelled for Oxygen Service (ASTM G93)
- Design accordance with EN12516 part 1 & 2, AS1210, EN1626, ASME B16.34
- End Connection: ISO 7-1, ASME B1.20.1
- Tested to ISO 5208, API 598
- CE, Pressure Equipment Directive (97/23/EC)
- Various materials (Monel), schedule pipe and tube connection are available upon request
To contact Mack Valves about Mack Valves Cryogenics-Check Valves | 1258, 1256 Series use Get a quote.
Mack Valves’ 1258 and 1256 Series are brass check valves for liquid and gas service, controlling flow through connected pipework. Each valve is degreased, packed and labelled for oxygen service to ASTM G93, specifying its preparation for that application. Buyers specifying pipe-thread connections can use end connections made to ISO and ASME standards for their systems.
- Working temperature: -196°C to +190°C
- Maximum working pressure: 5.0 Mpa (725 psi), non-shock cold
- Design follows EN12516 Parts 1 and 2, AS1210, EN1626 and ASME B16.34
- Tested to ISO 5208 and API 598
- Various materials, including Monel, and schedule pipe or tube connections available upon request
Source: listing by Mack Valves on IndustrySearch · Updated 1 Nov 2026
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Written by AI from the listing by Mack Valves on IndustrySearch. It is meant to use only what that listing says, but it can still get details wrong, so check them with the supplier before you buy.
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