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Wenzhou Goldtop Valve Co.LTD
Gold top valve located in Oubei Town, Wenzhou, China,where can make all kinds of precision balls,including top entry,metal seat and V type balls.On this base,our products range of floating,trunnion
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PSB&BB OS&Y GATE VALVE FLEXIBLE WEDGE ,SLID WEDGE ,RTJ&RF FLANGE ,BW ENDS ,WC1 WC6 WC9 MATERIAL ,4A .6A FOR SEAT WATER

Wenzhou Goldtop Valve Co.LTD

PSB&BB OS&Y GATE VALVE FLEXIBLE WEDGE ,SLID WEDGE ,RTJ&RF FLANGE ,BW ENDS ,WC1 WC6 WC9 MATERIAL ,4A .6A FOR SEAT WATER

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Brand Name : GTV

Model Number : Z41H

Certification : API600

Place of Origin : CHINA

Material : Brass, Stainless Steel, CF8M, WCB, Forged

Pressure : Medium Pressure, High Pressure, Low Pressure, PN16-PN100, 150-300L

Media : Water, Gas, Oil, central heating, Base

Body material : steel, Inconel, Hastelloy, CF8/CF8M, Nickel Aluminum bronze

Standard : DIN, BS, API, EN, ANSI

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PRODUCT DETAILS

Pressure Seal Butt Welding Gate Valve

The pressure seal valves are designed for service of high temperature and high pressure and are widely used in fossil fuel power plant. Compared with bolted bonnet joint valves, it provides absolute reliable sealing of the bonnet joint, so that the pressure seal valves are more compact and rigid as well as maintenance cost-effective at high temperature and high pressure service.


Main Features:

Rational structure reliable sealing,excellent performance and nice molding.
Regardless of operating-temperature changes,the bonnet ioint remains leak proof.This is insured by stainless steel inlay in the body gasket area.The sealing pressure is in direct proportion to the internal pressure.
Advanced pressure seal designed body and pure graphite gasket rings to ensure high tightness and comply with the healthy and safe environment requirements for fugitive emissions control.


Main Parameter Specification
Design and Manufacture:Cast Steel Gate Valve to API 600(ISO 10434),API 6D;Cast Stainless Steel Gate Valve to API 603,API 600
Inspection and Test:API598,API600 or API 6D
End Flange Dimension:ASME B16.5(for NPS≤24,ASME B 16.47 series B,API 605,ASME B16.47 A Series,MSS SP-44(for NPS>24)
BW end Dimension:ASME B16.25
Face to Face and End to End:ASME B16.10
Pressure-temperature ratings:ASME B16.34

Product Range
Body material:
WCB, WC6, WC9, LCB, LC1, C5, CF8, CF8M, CF3, CF3M, CF8C, CN7M, Hastelloy C, etc.
Nominal diameter:2"~48"(DN50~DN2500)
End Connection: RF,RTJ, BW
Pressure range: Class150~2500(PN16~PN420)
Working temperature:-29ºC~+560ºC
Operation: Hand wheel,Gear,Electric Actuator,etc.


Main Parts and Materials

NoPart NameMaterial
1BodyWCB,WC6,WC9,20CrMoV,15CrlMolV
2SeatA105,12CrlMoV
3WedgeWCB,WC6,WC9,20CrMoV,15CrlMolV
4Stem2Crl3,25Cr2MolV
5BonnetA105,WCB,WC6,20CrMoV,12Cr1Mo1V
6Sealing RingGraphite , Soft steel
7Separate Ring1Crl3,12Cr1MoV
8Bolt35,35CrMoA
9Nut45,35CrMoA
10PackingGraphite
11YokeWCB,WC6,20CrMoV
12ActuatorAssembly

Product Description

Product descriptionWedge gate valve
ModelZ40H-gate valve
Nominal diameter2”~60”(50mm~1500mm)
Operating temperature-196℃~593℃(the range of service temperature may vary for different materials)
Operating pressure150-2500 CLASS
MaterialMain material: A216 WCB,WCC; A217 WC6,WC9; A351 CF8,CF8M,CF3,CF3M,CF8C; A352 LCB,LCC;,Duplex,Super Duplex; ASME B 148 C95800,C95500, etc.
Design standardAPI 600,ASME B16.34,GB 12234,GB 12224
Structural lengthASME B16.10
Connecting endASME B16.5,ASME B16.25
Test standardJB/T9092,GB/T13927,API 598,ISO 5208
Operation method,Motorized actuator, pneumatic actuator ,handwheel,gearbox, Motorized actuator,
Application fieldsFor application in fields such as electric power industry, petroleum refining, petrochemical engineering, offshore oil, tap water engineering in urban construction, chemical engineering, etc.
Other remarks 1Through improving the structural design and selecting reasonable packing structure and qualified packing supplier, the valves can meet the Class A sealing test requirements of ISO 15848 FE.
Other remarks 2The gate valve is of wedge and resilient type that can compensate the slight deformation, so the sealing performance is good.
Other remarks 3Rising stem structure, making the valve switch position be clear at a glance
Other remarks 4The valve stem thread will not come into contact with the medium, so the corrosion of medium to the thread is reduced.
Other remarks 5Small switching moment, reliable sealing
Other remarks 6SS+ graphite or metallic seal or pressure self-sealing is adopted between valve body and bonnet for reliable sealing
Other remarks 7Small flow resistance, high flow capacity and good flow characteristics
Other remarks 8For small gate valves, the interchangeability can be ensured with process tooling.
Other remarks 9The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve.

Design of Disc

Gate valves with NPS>=2 are flexible gate,gate valves with with NPS<2 are of solid gate.

If being requested by the customer,the Belleville spring loaded packing impacting system can be adopted for

enhancing the durability and reliability of the packing seal.


Wholesale PSB&amp;BB OS&amp;Y GATE VALVE FLEXIBLE WEDGE ,SLID WEDGE ,RTJ&amp;RF FLANGE ,BW ENDS ,WC1 WC6 WC9 MATERIAL ,4A .6A FOR SEAT WATER from china suppliers

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