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Cast Steel Swing Check Valve

Aug 30, 2019
Basic Info
  • Material: Cast Steel

  • Structure: Swing

  • Function: Prevent media from refluxing 

  • Flow Direction: Unidirection

  • Application: Industrial Usage, Water Industrial Usage, Household Usage

  • Origin: China

  • Connection Form: Flange

  • Pressure: Ordinary Temperature

  • Standard: ANSI

  • Trademark: NIPO

Product Description
API Check Valve (H74)
Cast Steel Swing Check Valves, lift check valves, piston check valves
Standard compliance
1) Design and manufacture: API6D, ANSI B16.34, BS1868
2) Test and inspection: API598
3) Face to face dimensions: ANSI B16.10
4) Flanged end: ANSI B16.5, B16.47 SERIES A & SERIES B
5) Butt-welding end: ANSI B16.25
6) Other standards (DIN, BS, JIS) is also available upon request.

Size:2"-24"
 
 
Standard materials of parts 
No.PartsMaterials
1BodyATM A216 WCB
2Seat ringASTM A105 + 13Cr
3DiscASTM A216 WCB + 13Cr
4Disc nutASTM A182 F6
5HingeASTM A216 WCB
6Hinge pinASTM A182 F6
7GasketStainless steel and graphite spiral wound
8CoverASTM A216 WCB
9Cover boltASTM A193 B7
10Cover nutASTM A194 2H
11WasherSteel

 
Class 150
DN506580100125150200250300350400450500600
NPS22.1/23456810121416182024
L-L1(RF-BW)2032162412923303564956226997878649789781295
L2(RTJ)2162292543053433685086357118008769919911308
H170180185215240260300350400450480540600680
RF (Kgs)1526274269751242003104285557758351300
BW (Kgs)1217183257601061742583684836857201150

 
 
Class 300
DN506580100125150200250300350400450500600
NPS22.1/23456810121416182024
L-L1(RF-BW)26729231835640044553362271183886497810161346
L2(RTJ)28330833337141646054963872785487999410361368
H170185215235270300340350420480520600670750
RF (Kgs)21303970115125190290450700774100012731650
BW (Kgs)15223044929815023037549064085011001400

 
 
Class 600
DN506580100150200250300350400450500600
NPS22.1/2346810121416182024
L-L1(RF-BW)292330356432559660787838889991109211941397
L2(RTJ)295333359435562664791841892994109512001407
H175200230295360400460520560650730800900
RF (Kgs)283852872243546267908921200160024203150
BW (Kgs)2030140651332805306707521020135020502720

 
Class 900
DN506580100150200250300350400450500600
NPS22.1/2346810121416182024
L-L1(RF-BW)36841938145761073783896510291130121913211549
L2(RTJ)37142238446061374084196810381140123213341568
H2502702303103604304805606307007508501000
RF (Kgs)699385145310500772108013801810240035004700
BW (Kgs)60787012026538560086011401510205031004200