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Ductile Iron Swing Check Valves
Inclined Seat Swing Check (Non Return) ValvesConform to BS EN12334 (BS5153)

Size:DN100-DN600

Specifications:
Nominal pressure (MPa) 1.6  
Testing Pressure Body shell 2.4  
Seal 1.76  
Working pressure (MPa) 1.6  
Suitable temperature (°C) ≤120
Suitable Medium Water
 
Technical requirements
  1. Design, manufacture are according to standard of BSEN12334-2001 Non Return Valve (Check Valve).
  2. The flange of the check valve is according to PN1.6 Mpa flange of BSEN1092-2 for integral ductile iron flanges.
  3. Inspection is according to standard PrEN12266-3.
  4. The valves for PN1.0 MPa and PN2.5 MPa are also can be designed and manufactured..
Material Specifications:

No.

Name of part

Material

BS Designation
  Coating(350 microns) Epoxy Resin or Epoxy fusion bonded    
11 Eye Bolt Carbon Steel/S.S. BS4190 (Hot dipped galvd)
10 Gasket EPDM BSEN681 IRHD66-75
9 Bonnet SG (Ductile)Iron BSEN1563 EN-JS1050
8 .Cover SG (Ductile)Iron BSEN1563 EN-JS1050
7 Gasket EPDM BSEN681 IRHD66-75
6 Bush Copper-tin-lead alloy EN1982 CuSn5Zn5Pb5
5 Shaft Stainless Steel BS970 Gr431S29
4 Obturator Sealing Ring Copper-tin-lead alloy EN1982 CuSn5Zn5Pb5
3   SG(Ductile) Iron BSEN1563 EN-JS1050
2 Body Sealing Ring Copper-tin-lead alloy EN1982 CuSn5Zn5Pb5
1 Body SG(Ductile) Iron BSEN1563 EN-JS1050
  Bolt Carbon Steel/S.S. BS4190 (Hot dipped galvd)
Note: Other materials and specifications are subject to customer's requirement
 
 
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