PR-FECT CASTSTEEL ENGINEERING & VALVES

NON SLAM CHECK VALVE

Non-slam check valves are engineered to close gradually and quietly, preventing the sudden impact known as water hammer. They often use spring-assisted or damped mechanisms to control closure speed. These valves are essential in pump discharge systems, high-velocity pipelines, and critical fluid networks where pressure surges can damage equipment.


PR-FECT VALVES manufactures Non Slam Check Valves 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.



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PRODUCT DETAILS
Sizes1/4" to 250"
Pressure Class RatingsASME #150 to #2500
End ConnectionScrewed, Socket Weld, Flanged, Butt-Weld
Construction TypesSwing, Bolted Cover
Salient FeaturesPressure Seal, Fugitive Emissions, Metal Seats, Internal Hinge, Damper Arrangements, Jacketed etc.

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 & ManufactureAPI 6D, ASME B16.34, BS 1868
Face To FaceASME B16.10, MFG Standard
End ConnectionsASME B16.11, ISO 7-1, BS 21 ASME B1.20.1,
ASME B16.5/ B16.47 RF/FF/RTJ
ASME 16.25, EN 1092
TestingAPI6D, API 598, ASME B16.34
NaceNACE 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 / Top CoverCarbon 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)
TrimStainless Steel (SS304, SS316, SS304L, SS316L, SS317, SS310, SS904L), Nickel alloys, Duplex Stainless Steel, Exotic Materials.
SeatSoft Seats, HF-Metal to Metal Seats, others upon request
GasketsPTFE/ RPTFE/ Special filled PTFE/Graphite/Graphoil/Spiral Wounded
FastenersASTM 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.