GAS-TIGHT BUTTERFLY VALVE Used in gas transmission and storage, these valves ensure zero leakage with metal-to-metal or high-integrity soft seals. They are tested to tightness standards like API 598 or EN 12266. Applications include natural gas pipelines, biogas systems, and hydrogen handling.
PR-FECT VALVES manufactures Gas Tight Butterfly 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 #1500; PN6, PN10, PN16, PN20, PN25, PN40, PN64, PN100 |
| End Connection | Wafer, Lugged, Flanged |
| Construction Types | Centric Disc |
| Salient Features | One-piece blowout-proof Stem, Reliable Drive Operation, Low Torque, Assured Sealing, Integral Actuator Mounting, Stem Extension, Locking Arrangements etc. |
| Operator / Actuator | Handwheel, Gear, Actuator (Pneumatic, Hydraulic, Electro-Hydraulic and Electric Motorised) |
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 | EN 593 (BS 5155), API 609, MSS SP 67, ISO 5752 |
| Face To Face | API 609, MFG Standard |
| End Connections | ASME B 16.1 Class 125, B 16.5 Class 150, EN 1092-2, BS 4504, BS 10 Table D & E |
| Testing | EN 12266/ API 598 |
| Fire safe testing | N/A |
| Nace | NACE MR0175 / ISO 15156 and NACE MR0103 / ISO17945 |
| Fugitive emission | N/A |
Note: We’re flexible beyond the listed standards and happy to align with your specific needs.
| MATERIAL OF CONSTRUCTION | |
|---|---|
| Body | 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) |
| Body Liner | Nitrile, EPDM, Viton etc. |
| Disc | Stainless Steel(SS304, SS316, SS304L, SS316L, SS317, SS310, SS904L), Nickel alloys, Duplex Stainless Steel, Cast Iron, SG Iron, Exotic Materials. |
| Bearing | Acetal, PTFE, Phosphor Bronze |
| Stem | Stainless Steel, Nickel alloys, Duplex Stainless Steel, Exotic Materials |
Note: Additional material grades can be provided upon request to suit specific application requirements.