
Pressure Safety Valve — Products & Sub-categories

Pressure Safety Valve
Steam Safety Valve Suppliers in South Africa provide reliable overpressure protection for boilers, steam generators
Pressure-containing equipment in Algeria's hydrocarbon sector requires dependable protection against pressure exceeding the allowable operating limit. Pressure Safety Valve Suppliers in Algeria provide automatically operated valves that discharge excess fluid when the predetermined set pressure is reached, helping protect vessels, pipelines and process equipment during abnormal pressure conditions.
Key Features
Overpressure protection - Limits pressure rise in protected equipment.
Automatic opening - Operates when the set pressure is reached.
Automatic reseating - Closes after pressure returns to an acceptable level.
Spring-loaded design - Suitable for conventional gas, vapour and liquid applications.
Pilot-operated options - Can be used for selected high-capacity or specialised services.
Balanced configurations - Bellows or balanced designs can be selected where back pressure requires consideration.
Various discharge arrangements - Suitable configurations can accommodate closed or open discharge systems.
Technical Specifications
Parameter | Specification |
Product Type | Pressure Safety Valve |
Operation | Spring-Loaded, Pilot-Operated, depending on design |
Medium | Gas, Vapour, Liquid, depending on configuration |
Bonnet | Open, Closed |
End Connection | Flanged, Threaded, Butt Weld |
Set Pressure | Application- and design-dependent |
Back Pressure | Application-dependent |
Discharge | Open / Closed Discharge |
The valve should be selected using relieving capacity, set pressure, operating pressure, temperature, fluid phase, back pressure and required discharge conditions.
Materials & Components
Body Materials
ASTM A216 WCB (Carbon Steel)
ASTM A351 CF8M / CF8 (Stainless Steel)
ASTM A217 WC6 / WC9 / C5 (Alloy Steel)
Internal Components
Disc & Seat: ASTM A182 F316 / Hardened Alloy / Stellite Hardfacing
Stem: Stainless Steel
Spring: Alloy Spring Steel / Stainless Steel
Bellows: Stainless Steel 316L / Alloy 625
Gaskets: Graphite / PTFE / Application-Specific Material
Bolting: ASTM A193 B7 / B8M (Alloy Steel / Stainless Steel)
Pressure safety valves are especially relevant to Algeria's oil and gas production, gas processing, refineries, petrochemical facilities and hydrocarbon storage systems. Algeria has specific pressure-equipment regulations for installations within the hydrocarbon sector, covering pressure equipment integrated into oil and gas facilities. They can also be used on process vessels, compressed-gas systems and industrial pressure equipment where protection against excessive pressure is required. For hydrocarbon facilities, API 520 and API 521 are widely used for pressure-relief device selection, sizing and installation. ISO 23251 also covers pressure-relieving and depressuring systems for refineries, petrochemical plants, gas plants, LNG facilities and oil and gas production facilities.Applications in Algeria
Standards



