All size Butterfly valve Wafer type Manual Corrosion resistance
1) Standards:
1 | Design Standard conform to: | MSS SP-67M API609, EN593 |
2 | Connection flange conform to: | DIN PN10/16/25 ANSI B16.1, BS4504, ISO PN10/16, JIS B2212/2213, BS 10 Table D, BS10 Table E |
3 | Top flange conform to: | ISO5211 |
4 | Face to face conform to: | API609, ISO5752 series 20, BS5155 |
5 | Test standard conform to: | API 598 |
2) Design Characters:
1 | Rubber backed seat with stable valve torque. |
2 | Grooved sleeve design to achieve stable pisitioning |
3 | Simple construction, small in size, light in weight. Easy disasembling, installation and maintenance. |
4 | Minimized operating torque. Lewer, gear, pheumatic and electric actuators can be chosen. |
5 | Special design, high flow rate and low flow resistance. |
6 | Suitable madium: water, sewage, sea water, air, steam, foof, medicament, oils, acids, alkais, salts etc. No leakage under the rated pressure. |
3) Performance:
Nominal Diameter: | Non-backed: | DN50-DN300 |
backed: | DN50-DN300, DN350-DN1200 | |
Nominal Pressure PN(mpa): | 1.0, 1.6, 2.0, 2.5 | |
Testing pressure (water) Ps(MPa) | Body seat: | 1.5 times rated pressure |
Seat test: | 1.1 times rated pressure |
3) Material List
No. | Parts Name | |
1 | Body | Cast iron/Ductile iron/ Stainless steel/Carbon steel |
2 | Disc | AI-Bronze/Monel/CF8M/WCB/Ductile Iron |
3 | Pin | SS316/SS316/SS304 |
4 | Seat | EPDM/PTFE/Buna/Hypaton/Viton/Neoprene |
5 | Stem | Cr13/SS 416/SS316/Carbon Steel |
6 | Bushing | P.T.F.E./Lubricating |
7 | O-ring | EPDM/Bunal/Hypalon/Viton/Neoprene |