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Check Valves: general presentation

    Type:

       Check valves (design according to BS1868, API 6D or ANSI B16.34)
      Check valves for Navy application
       Jacketed check valves 
      Cryogenic check valves 
      Pressure sealed cover check valves 
      Dual plate wafer check valves 
      Custom made check valves

    Design: BS1868 - ANSI B16-34 – API 6D
    Nominal size range: DN15 (1/2”) to DN500 (20”)
    Pressure rating range: PN10/PN16 – Class 150 to Class 2500
    Nominal size diameters – Pressure rating: (S: COYARD Standard range - *: on request)

  2" 2 1/2" 3" 4" 5" 6" 8" 10" 12" 14" 16" 18 20"
Class 150 S S S S S S S S S S S S S
Class 300 S S S S S S S S S S * * *
Class 600 S S S S S S S S S * * * *
Class 900 S S S S * S S S * * * * *
Class 1500 S S S S * * * * * * * * *
Class 2500 S S S S * * * * * * * * *

    End connections: flanges, socket welding, Hub ends,…
    The Materials:

   Aluminium-Bronze
   Duplex & Super Duplex
    stainless steels
   904L
   Monel
   Incolloy 625

   Alloy 800 & 825
   Hastelloy
   Stainless steel: A351 CF8M, A351 CF3M,...
   Carbon steels: A216 WCB, A217 C5, A217 WC9...
   ...




COYARD products   

1. Clapet de non-retour suivant BS1868 - API 6D
 

Data sheet 0801   43.03 Ko
Data sheet 0802   48.37 Ko
Data sheet 0803   48.23 Ko
Data sheet 0804-0814   39.59 Ko
Data sheet 0805   39.67 Ko
Data sheet 0816   38.56 Ko
 


Clapet de non-retour suivant BS1868 - API 6D   

 
 
 
 

2. Clapet de non retour pour application Marine
 

Data sheet 0734   54.34 Ko
Data sheet 0747-0745-7510   80.92 Ko
Data sheet 0753-0754-7541   84.07 Ko
Data sheet 0757-0758-0759-0760-7571   84.4 Ko
Data sheet 0771-7711   84 Ko
Data sheet 0772   97.89 Ko
Data sheet 0775-7752   87.2 Ko
Data sheet 7414-7415-7416   96.49 Ko
Data sheet 7541   71.99 Ko
Data sheet 7635-7636   92.73 Ko
Data sheet 7637-7638   154.41 Ko
Data sheet 7781-7782   81.65 Ko
Data sheet L713   41.09 Ko
 
clapet_coyard4.jpg

Clapet de non retour pour application Marine   

 
 
 
 

3. Clapets de non-retour spéciaux
 

Data sheet 0417   37.9 Ko
Data sheet 0732 F4   35.92 Ko
Data sheet 0732 S1   36.27 Ko
Data sheet 0732 S2   36.22 Ko
Data sheet 0732 W1   37.88 Ko
Data sheet 0732 W2   37.37 Ko
Data sheet 0732 W4   37.22 Ko
Data sheet 0732 W6   37.05 Ko
Data sheet 0732 W7   36.69 Ko
Data sheet 0732 W8   36.7 Ko
Data sheet 0732 WK   37.41 Ko
Data sheet 7414-7415-7416   96.49 Ko
Data sheet 7781   35.76 Ko
Data sheet S805   31.44 Ko
 


Clapets de non-retour spéciaux   

 
 
 
 


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COYARD SAS - Phone: +33 (0)2 41 72 10 20 - Fax: +33 (0)2 41 72 10 21
Conception - Réalisation - Hébergement : EL-Technologies.