Resilient seat check valve

CLV dual -plate check valves are manufactured to the latest edition of API 594/API 6D and tested to API 598.

Category: Check Valve

Technical Data
Design Standard	API6D, BS1868, DIN3356,EN10739
Body Material	Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
Body Material	NACE MR-01-75/NACE MR-01-03 Special Requirements
Pressures range	ANSI 150 ~ANSI 2500 ,PN10~PN420
Size range	DN50(2″) ~DN1200 (48″)
Face to Face	ANSI B16.10,EN 558,DIN3202
Flanged RF, FF, RTJ Ends	ASME B16.5 ≤ DN600 (24″) ASME B16.47 A ≥ DN650 (26″)
Flanged RF, FF, RTJ Ends	BS 4504,DIN 2543-2545,EN1092
Butt-Weld BW Ends	ASME B16.25 ,DIN 3239,BS 2080, EN 12627
Temperature range	-29°~ 425°C
Design Feature
Construction	Lift type, Swing type,Wafer type,Pressure seal bonnet,Bolted Bonnet
Disc Type	Dual plate, single plate, plug type
Seat Sealing	Integral body seat ,seat welded and overlaid
Fire Safe Design	API 607,BS 6755
Inspection & Test
Visual Inspection	MSS SP-55
Material Inspection	PMI Test—-Chemical Analysis
	HB Test—Hardness Test
	UT—Ultrasonic Test
	RT—RadiographicTest
	MT—Magnetic Test
	NDT Test Non-destructive
Dimention inspcetion	According to drawings
Valve Inspection and Test	API 598,DIN 3230,EN 12266,BS 5146

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