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CF8M CF3 CF3M Slab Gate Valve Butt Weld Connection Class 150-1500LB

CF8M CF3 CF3M Slab Gate Valve Butt Weld Connection Class 150-1500LB

Brand Name : kaitai
Certification : API-6D,API-SPEC-Q1,ISO 9001-2008,ISO-TS-29001,CE-PED,AIP 607 Fire safe certificate
Place of Origin : Shanghai China
MOQ : 1 piece
Payment Terms : T/T, L/C
Supply Ability : 50000 pieces per month
Delivery Time : 5-35 days
Packaging Details : wooden case
Size : NPS2'-48'
Pressure Tating : Class 150-1500
Material : WCB,LCB,CF8,CF8M,CF3,CF3M
Design & Manufacturing Standard : API 6D,ASME B16.34
Face to Face : ASME B16.10,API 6D,BSEN 588
End Connection : ASME B16.5,ASM,E B16.47,BSEN 1092
Test and Inspection : ISO 5208,API 6D,BSEN 12266
Operation Method : Manual ,Worm Gear,Eletric Actuator,Pneumatic Actuator
Structure type : Single Gate with /withour through conduit,double gate with/without through conduit
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CF8M CF3 CF3M Slab Gate Valve Butt Weld Connection Class 150-1500LB

GasketSoft Iron +Graphite or 304 + Graphite
Seat ringA105 + 13Cr,A105+STL,ASTM A351+ CF8,
StemASTM A182 6a,ASTM A182F 304,ASTM A182F 316
GlandASTM A182F 6a,STM A182F 304,ASTM A182F 316
Eyebolt nutASTM A194 2H,ASTM A1948
Eyebolt pinASTM A 36,304SS
Bonnet BotASTM A193 B7,ASTM A193 B8,ASTM A193 B8M
Bonnet nutSTM A194 2H,ASTM A1948

Body and Bonnet Connection

the body and bonnet of class 150-class 900 gate valves are usually connected with studs and nuts.And the body and bonnet of class 1500-class 2500 gate valves are usually of pressurized seal design.


the stem is of intergral forded design.The seat is usually forged steeel.The sealing surface of the seat is spray welded with hard alloy specified by the customer.Renewable thereaded seat is used for NPS ≤10 gate valves,and welded on seat can be also optional if being requested by the cstomer.Welded on seat is used for NPS≤10 carbon steel gate valves.For stainless steel gate valve,intergral seat is usually adopted ,or to weld hard alloy directly integrally.Threated or welded on seat is also optional for stainless steel gate valve is being requested by the customer.

Quality assurance system
2.Universeal material testing machine
3.High speed analyzer
4.Chemical test
5.Electric analysis scales
6.Nde mt (magnetic powder) inspection

NDE UT (ultasonic) inspection
NDE PT (penetrate) inspecion
PMI spectrum analysis
Hydraulic pressure test
Cryogenic ball valve test
Fire-safe test


  • API-6D
  • API-Q1
  • API2014
  • ISO 9001-2008
  • ISO-TS-29001
  • CE-PED
  • API 607 Fire safe certificate
  • API 6FA Fire safe certificate
  • China national petroleum corporation approved vendor
  • Shanghai high enterprise certificate

Our major products

  1. Gate valve series
  2. Ball valve series
  3. Globe valve series
  4. Check valve series
  5. Butterfly valve series
  6. Other valve series

Exporting is the dominant operation at Kaitai.In the process of KATA brand promotion and building up our distribution channels over the years and now has many satisfied and loyal customers.KATA is well recognized and its products are widely used in the oil and gas industry,power plant,boiler,metallurgy,pressure vessel,water supply and drainage and etc.

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CF8M CF3 CF3M Slab Gate Valve Butt Weld Connection Class 150-1500LB Images

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