CARTER VALVE PRODUCTS

Safety Relief Valves

Safety relief valves protect equipment and people by automatically releasing pressure before a system exceeds its safe limit. We supply standard-flow and high-flow safety valves and pressure relief valve configurations designed for stable set pressure performance, reliable relieving capacity, and consistent reseat behaviour under real plant conditions. Features focus on predictable operation across steam, gas, and liquid services, plus practical selection guidance around set pressure, backpressure, and installation requirements. This category helps you specify compliant overpressure protection with fewer surprises—reducing risk, downtime, and costly rework during inspection and commissioning.

General-Purpose Full-Lift Safety Valve

General-Purpose Full Lift Safety Valve

CSV-510

• Size Range: 1/2″ – 14″ (DN 15 – DN 250)

• Pressure Rating: PN 16 / PN 40 (Class 150 / 300)

• Temperature Range: –60°C to +450°C (–76°F to 842°F), depending on material

• Materials: Cast Iron (EN-JL1040), Ductile Iron (EN-JS1049), Carbon Steel 1.0619+N

• Connection: Flanged

• Suitable Media: Steam, Aggressive Gases, Vapours and Liquids

API 526 Full-Nozzle Safety Valve

API 526 Full-Nozzle Safety Valve

CSV-580

• Size Range: 1″×2″ – 8″×10″ (DN 25×50 – DN 200×250)

• Pressure Rating: PN 10 / 20 / 40 (Class 150 / 300 / 600)

• Temperature Range: –60°C to +450°C (–76°F to 842°F)

• Materials: SA216 WCC, SA217 WC6, SA351 CF8M (316L)

• Connection: Flanged

• Suitable Media: Steam, Neutral Gases, Vapours and Liquids

ASME Standard Full-Lift Safety Valve

ASME Standard Full-Lift Safety Valve

CSV-530

• Size Range: 1″×2″ – 6″×10″ (DN 25×50 – DN 150×250)

• Pressure Rating: PN 16 / 25 (Class 150 / 300)

• Temperature Range: –60°C to +450°C (–76°F to 842°F)

• Material: SA216 WCB Carbon Steel

• Connection: Flanged

• Suitable Media: Steam, Neutral Gases, Vapours and Liquids

Threaded Connection Safety Valve

Threaded Connection Safety Valve

CSV-515

• Size Range: 1/2″×3/4″ – 1″×1-1/2″ (BSP G-thread)

• Pressure Rating: PN 40 / Class 300 (40 bar / 300 PSI)

• Temperature Range: –60°C to +400°C (–76°F to 752°F), depending on material/model

• Materials: EN-JS1049 Ductile Iron, 1.4408 Stainless Steel 316L

• Connection: Screwed Male / Screwed Socket (BSP)

• Suitable Media: Steam, Aggressive Gases, Vapours and Liquids