Worm gear pressure seal gate valve

Gate valves are characterized by a traveling wedge, which is moved with the operation of the stem nut

Category: Gate valve

Technical Data
Design Standard	API600, API6D, DIN3352, EN10434
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	ANSI1B 16.10 ,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
BuButt-Weld BW Ends	ASME B16.25 ,DIN 3239,BS 2080, EN 12627
Temperature range	-29°~ 425°C
Design Feature
Construction	Pressure seal，Bolted Bonnet
Wedge Type	flexible wedge, solid wedge, double wedge etc
Stem Design	Rising stem,Non-rising stem
Seat Sealing	Integral body seat ,seat welded and overlaid
Visual Inspection	Gear,pneumatic,Hydraulic,Electric actuators.
Visual Inspection	By passes,locking devices,extended stem,etc
Fire Safe Design	API 607,BS 6755
Inspection and 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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