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2017-06-14

​API6D WCB parallel gate valve/gas gate valve/expanding gate valve/flat-plate gate valve

API6D ANSI carbon steel parallel gate valve gas gate valve expanding gate valve,flange/clamp/weld end, used in GAS,OIL,PETROCHEMICAL INDUSTRIES.


  • Product Details

API6D WCB parallel gate valve/gas gate valve/expanding gate  valve/flat-plate gate valve

Standard:

Design manufacture standard: API 6D

Length of structure: API 6D

Flange connecting end: ASME B16.5/ASME B16.47

Butt welding connecting end: ASME B16.25

Wall thickness: ASME B16.34

Inspection and test: API 6D

Pressure and temperature rating: ASME B16.34

Product scope: NPS 2inch-NPS 48inch,CL150-CL2500

Main body material:WCB,LCB,WCC,WC6,WC9,CF8,CF8M,CF3,CF3M,A890 4A etc.

Drive device: handle, bevel gear, electric, pneumatic, etc.

Connection: weld, flange
Disc: single disc with diversion hole, or parallel double-disc with throgh conduit



Main Features:

1) The seat ring uses the floating seat ring structure with O-seal ring sealed and pre-tightening force applied to have inlet and outlet dual-way sealed, and the open-close moment with this structure is 1/2 that of the common valves only, able to lightly open and close valve.

 2) When fully opened, the valve's channel is smooth and linear,with an extremely small flow resisting coefficient and no pressure loss ,and the pipeline can be cleaned with hair-ball through it .

 3) Automatic removal of the high pressure in the internal cavity when the valve is about to close so as to ensure safety.

 4) Fully sealed structure leaves a good protective property, suitable for the requirement of 24-hour duty.


Performance SPECS.

Pressure(Class Lb)Test   pressure at constant temperature (Mpa)ApplicableApplicable   medium
The shellThe leftThe   rightAir   lowtemperatureOrdinaryAnti-sulfur
pressure
15032.22.20.6-29~121°C               Or upon the                User requirement PetroleumPetroleum
3007.55.55.50.6Natural   gas
4009.67.04
0.6NaturalWater
6001511110.6Gas,   wateretc,   containing
90022.517.517.50.6non-corrosiveH2S,   CO2
150037.527.527.50.6mediaCorrosive
25006346.246.20.6
media


Main   materialWCB, WCC, LCB,   CF8, CF8M, CF3, CF3M, CN7M, CF8C, 4A, A105, LF2, F304, F316, F304L, F316L,   F321, F51, ect.
Pressure ratingClass   150 to Class 1500 (PN2.5 to PN 420)
Standards appliedAPI.   ASME, ANSI, NACE, CE/ EN, DIN, JIS, BS, ISO, TS, GB, etc.
Operative temperature-196   °C to 980 °C ( -320.8 °F to 1796 °F)
Optional operationManual,   Gear, Electric, Pneumatic, Hydraulic.


MATERIALS


A216-WCBA352-LCBA351-CF8A351-CF8M
A105+PTFELF2+PTFEA182-F304+PTFEA182-F316+PTFE
16Mn+ENPA352-LCB+ENPA351-304A351-316
A276-420A182-F304A182-F304A182-F316
PTFEPTFEPTFEPTFE



DIN PN10 Pn16 Cast Steel Wcb or Stainless Steel Flanged Gate Valve Z41h
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DIN PN10 Pn16 Cast Steel Wcb or Stainless Steel Flanged Gate Valve Z41h