Basic information:
Standard or Nonstandard: Standard
Structure: Butterfly
Pressure: Medium Pressure
Power: Manual
Material: Casting
Temperature of Media: Medium Temperature
Media: Water
Place of Origin: JiangSu China (Mainland)
Brand Name: DTV
colour: gray
The products are widely used in water supply and drainage, hydre / thermal power, building project .
Detailed Description:
Size: DN50-DN1200
End flange: ANSI B 16.1, EN 1092, AS 2129
Face to face: ANSI B 16.10
Top flange: ISO 5211
Normal pressure: DN40-DN1200 PN1.0/1.6MPa(150/200PSI)
Body: CI/DI/WCB/ALB/CF8/CF
Disc: DI/ALB/Rubber lined Disc/1.2501/1.4529/CF8/Hastelloy Alloy/Monel
Stem: 416/304/431/17-4PH
Seat: NBR/Hypalon/EPDM/Neoprene/NR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White EPDM/EPDM(NSF)/PTFE
Suitable temperature: -45~150
Medium: Flesh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc.
Technical requirements
1. Design and manufacture comply to MSS SP 67-1997
2. Inspect and test comply to API 598
3. Face to face dimension complies to BSS5155
4. Flanges comply to API 605