Forged steel trunnion ball valve

                       Forged steel trunnion ball valve

Ball valve is widely used in such  fields as  petroleum  melting ,chemical  induatry ,paper-making ,pharmaceutical  industry ,food industry ,water poweer ,electric power,city planning ,steel,etc.among  them  the sulphur-resistance  serial  ball  valve is specially applicable  for  natural gas long-distance  transportation features containing  sulphurate  by drogen  medium ,many impurity and serious  corroding .

 Standard

Design and manufacture                         per API608 API6D  and ANSI B 16.34 or BS 5351standard             

Structral  length  of  flange-connection         per API6D or ANSIB16.10 standard

  Structral  length (welding)                    API6D ANSI16.10  

Connecting  flange                            ANSIB16.5,B16.47

Butt-welding ends                              ANSI16.25    

pressure -temperature  ratings                    per API6D or API568 standard

end  flange  dimension                        per ANSI B 16.5 standard,API 605 or MSS sp-44 standard 

choose for customer

1  size of NPS  and  size of class

2  type of  connection

  a  flange(RF ,FM,M, ,TG ,FF,,RJ, SW,,BW, TH)

R.F and R.T.J ype of connection flange ends to ANSIB16.5 standard or API605and MSS sp-44 standard

B.W flange  ends to ANSI B16.25 standard

3  type of  operation

Spanner, handwheel , worm actuator , gear actuator ,electric  actuator ,pneumatic actuator

connection  dimensions of worm actuator , gear actuator ,electric  actuator ,pneumatic actuator to ISO5211 standard

4         other  equipment

 anti-static  construction "AS" and  fire -resistant  construction "FD"

5         materialsaccording to  ASTM

  carbon steel: WCB , A105,WCC,WCA, LCB,LCC;alloy steel:WC6,WC9,:cast stainless steel CF3,CF8,CF3M,CF8M; forged stainless steel :304,316,304L,316L;Cr5Mo,1Cr18Ni9Ti,0Cr17Ni12Mo2Ti  and  so  on

Business Card

Zhejiang Chengyi Valve Co., Ltd. [CN]

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