Hydraulic flange butterfly valve

Butterfly valve is a valve that used disc-type butterfly plate reciprocates by 90 °to open,close or throttle the flow of media

Category: Butterfly valve

Technical data
Design	API609,BS5155,ASME B 16.34,DIN3354,
Face to Face	ASME B16.10,EN 558,DIN 3202
Pressures range	ANSI 150 ~ANSI 2500 ,PN6~PN420
Size range	DN50(2″) ~DN2500 (96″)
Body Material	Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc.
Body Material	NACE MR-01-75/NACE MR-01-03 Special Requirements
Face to Face	ASME B 16.10,EN 558,DIN3202
Fange,Wafer,Lug Ends	ASME B16.5 ≤ DN600 (24″) ASME B16.47 A ≥ DN650 (26″)
Fange,Wafer,Lug 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	Centric/Center line type ,Double offset type,triple offset type
Disc Type	Round Disc
Seat Sealing	Metal seat ,soft seat ,double sealing performance.
Valve Operation	Gear,pneumatic,Hydraulic,Electric actuators.
Valve Operation	By passes,locking devices,extended stem,etc
Fire Safe Design	API 607, API6FA ,BS6755
Inspection and Test
Visual Inspection	MSS SP55
Material Inspection	PMI Test—-Chemical Analysis
	HB Test—Hardness Test
	UT—Ultrasonic Test
	RT—Radio-graphic Test
	MT—Magnetic Test
	NDT Test Non-destructive
Dimension inspection	According to drawings
Valve Inspection and Test	API 598,DIN 3230,EN 12266,BS 5146

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