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Casting Carbon Steel GOST Standard Gate Valve for Gas

Casting Carbon Steel GOST Standard Gate Valve for Gas

Gate Valve, Gas Gate Valve, Industrial Valve manufacturer / supplier in China, offering Casting Carbon Steel GOST Standard Gate Valve for Gas, Three Piece Threaded Industrial Ball Valve, 3PC Flanged Forged Steel Industrial Trunnion Ball Valve and so on.

Details

Basic Info 

  • Material: A351 CF8, A351 CF8m, A182f304, A182f316,A105, A216

  • Pressure: Ordinary Temperature

  • Seal Surface: Parallel Gate Valve

  • Usage: Safety, Drain, Flow Control

  • Application: Industrial Usage, Water Industrial Usage

  • Transport Package: Wooden Box

  • Origin: Made in China

  • Type: Straight-through

  • Connection Form: Flange

  • Actuator: Pneumatic

  • Thread Position of Valve Rod: Outside Gate Valve

  • Standard: ANSI

  • Specification: DN25-DN1000

Product Description

Features 
The body is made of cast.
The valve seat adopts O-ring seal and applies the preloading floating seat structure, so that the valve inlet and outlet two-way seal; and the structure of the opening and closing torque is only ordinary valve 1/2, can easily open and close the valve.
Seat with a sealing surface inlaid PTFE, PTFE with metal and metal pairs of metal double seal, PTFE sealing surface at the same time remove the role of the gate dirt.
Valve gate, whether fully open or fully closed and consistent with the sealing surface, the sealing surface is protected from direct erosion of the media, thereby extending the service life.
When the valve is fully open, the channel is smooth and straight line, the flow resistance coefficient is very small, no pressure loss, can pass hair ball sweep pipeline.
When the valve is closed, it can automatically remove the cavity pressure (see the working principle diagram), to ensure the use of safety.
The use of closed gear rotation opening and closing instructions, can be a long time to clearly reflect the valve opening and closing situation.
The outer surface of the buried valve is treated with epoxy coal tar pitch and can be used with the pipeline.
 
Product Implementation Standard 
Design and manufacture: API 600
Flange Size: ANSI B16.5
Structure Length: ANSI B16.10
Pressure ~ Temperature: ANSI B16.34
Inspection and Testing: API 598
 
Product performance specification 
Specification for Main Performance of Gas Gate Valve

Pressure LevelNormal temperature test pressure (MPa)proper temperatureApplicable media
Shell testLeft sealedRight sealLow pressure gas sealnormal typeAnti-sulfur type
Nominal pressure (MPa)1.62.41.761.760.6-29 ~ 121 oC or according to user requirementsOil, natural gas, water and other non-corrosive mediaContaining H 2 S, Co 2 oil, natural gas, water and other corrosive media
2.53.752.752.750.6
4.06.04.44.40.6
6.49.67.047.040.6
Lb (lb)1503.02.22.20.6
3007.55.55.50.6

 
Product parts material 
Z47WF gas gate valve main parts material

Serial numberPart Namematerial
1Sewage plug25
2BodyWCB
3gate16Mn + ENP
4Seat16Mn
5O-ringNBR
6Seal ringPTFE
7Stem nutZQAL9-4
8Stem1Cr13
9GasketFlexible graphite + 1Cr18Ni9
10capWCB
11Stud studs35CrMo
12Nuts45
13O-ringNBR
14BearingComponent Package
15On the open loop45
16Socket head cap screws35
17key45
18Switch indicatorPTFE + 1Cr18Ni9
19Hand wheelQ235A
20Nuts35









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