HIGH EFFICIENCY PILOT-OPERATED SAFETY RELIEF VALVE An advanced version of the pilot-operated valve, designed for minimal leakage and fast response. Used in critical applications like high-pressure steam or gas systems.
PR-FECT VALVES manufactures High Efficiency Pilot Operated Safety Relief Valve in a wide range of sizes, materials, and pressure ratings, ensuring compatibility with diverse industrial applications and offering advanced technical features such as precision-machined gates and corrosion-resistant coatings for enhanced performance and durability.
| PRODUCT DETAILS | |
|---|---|
| Sizes | 1/4" to 250 " |
| Pressure Class Ratings | ASME #150 to #2500 |
| End Connection | Screwed, Socket Weld, Flanged |
| Construction Types | Self Actuation |
| Salient Features | High Stable Flow coefficient, Metal Seats, Bellow Seal, Locking Arrangements etc. |
| Operator / Actuator | Adjustment Screw, Lever, others upon request |
Note: Customized design available upon request, with pressure class ratings available in PN, PSI, BAR, kPa, and additional units to suit project specifications and regional standards.
| STANDARDS SPECIFICATIONS | |
|---|---|
| Design & Manufacture | API 526, ASME B16.34 |
| Face To Face | API 526, MFG Standard |
| End Connections | ASME B16.11, ISO 7-1, BS 21 ASME B1.20.1, ASME B16.5/ B16.47 RF/FF/RTJ ASME 16.25, EN 1092 |
| Testing | API 527 |
| Nace | NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945 |
Note: We’re flexible beyond the listed standards and happy to align with your specific needs.
| MATERIAL OF CONSTRUCTION | |
|---|---|
| Body / Bonnet / Cap | Carbon Steel (ASTM A216 WCB, WCC, WCA, ASTM A105, ASTM A181), Low Carbon Steel (ASTM A352 LCB, LCC, ASTM A350 LF2), Stainless Steel (ASTM A351 CF8, ASTM A182 F304, ASTM A351 CF8M, ASTM A182 F316, ASTM A351 CF3, ASTM A182 F304L, ASTM A351 CF3M, ASTM A182 F316L, ASTM A351 CG8M, ASTM A182 F317, ASTM A182 F904L, ASTM A351 CK20, ASTM A182 F310, ASTM A351 CE8MN) Nickel alloys (B564 Monel, Inconel B564, B366), High Temp Alloys (Inconel 600, Inconel 625, Inconel 718, HastealloyX, Titanium Aloy) Duplex Stainless Steel (Duplex 2205, Super Duplex 2507, Lean Duplex 2101, Duplex 2304) Ductile Iron (ASTM A126 /ASTM A536, GGG50, GGG40) |
| Trim | Stainless Steel (SS304, SS316, SS304L, SS316L, SS317, SS310, SS904L), Nickel alloys, Duplex Stainless Steel, Exotic Materials. |
| Seat | Neoprene, FKM, EPDM, PTFE, HF-Metal to Metal Seats, others upon request |
| Spring | Stainless Steel, Spring Steel, Inconel, Chrome Steel |
| Gaskets | PTFE/ RPTFE/ Special filled PTFE/Graphite/Graphoil |
| Fasteners | ASTM A193 Gr.B7/A194 Gr.2H, B7M/2HM, B8/8, B8M/8M, L7/4, B16/2H etc. |
Note: Additional material grades can be provided upon request to suit specific application requirements.