Valves
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Valves
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Fittings
Buttweld Fittings
Stainless Steel
Screwed Fittings
Quick Couplings
Brass (Bronze, Copper) Fittings
Ductile Iron Grooved Fittings
 
 
Ductile Iron Butterfly Valves
Double Flanged Butterfly Valves With Disc Double Eccentric With Resilient Seat
Technical requirements
  1. Body flanges in compliance with standards DIN 28605 drilled in compliance with DIN 2501 for PN10/16/25.
  2. The face to face is in compliance with standard of DIN3202 F4.Flanges gauge in compliance with ISO 5752.
  3. Coupling flange for electric actuator in compliance with 5211.
  4. (Rated) operating pressure:10/16/25 differential bars.
  5. Proof pressure: 1.5 X operating pressure(ISO2531)

    6. Size :DN150-DN1600
Material Specifications:

No.

Name of part

Material

Designation
  Coating (350 microns) Epoxy Resin or Epoxy fusion bonded  
18 Bolt S.S. 316S13 or 304S15
8 Gearing Box SG(Ductile) Iron GS 500-7
7 Stuffing  Box Copper-tin-lead alloys CuSn5Zn5Pb5
6 Body Sealing Ring Stainless Steel 316S13 or 304S15
5 Rubber Sealing EPDM IRHD66-75
4 Retaining Ring Stainless Steel 316S13 or 304S15
3 Shaft (1) Stainless Steel Gr431S29
2 Disk SG(Ductile) Iron GS 500-7
1 Body SG(Ductile) Iron GS 500-7
Note: Other materials and specifications are subject to customer's requirement
 
 
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Address: #11, 18th floor, No.171, Luxun Road, Dalian, China.
Tel: 86-411-82783087 Fax: 86-411-82783297
E-mail: info@sino-valve.com