Name | Wafer butterfly valve |
Size | 2"~ 60 " ; DN50 ~ DN1500 |
Normal pressure | Class 150LB ~ 600LB ; PN16 ~ PN100 |
Design standard | API 6 09, AWWA C504,MSS SP-68, ASME B16.34 ; DIN 3354 ,EN593,BS5155 |
M arked | MSS SP-25 |
Fire s afe d esign | API607,API 6FA |
End flange | ANSI B 16. 5 ,ASME B16.47 ; EN1092, DIN2543 ~ DIN2547 |
Face to Face | API 609,MSS SP-68; DIN3202,EN558-1,EN12982,ISO 5752 |
Top flange | ISO 5211 |
Test standard | API598; DIN3230,EN12266, ISO 5208 |
Suitable temperature | - 29 ~200°C |
Medium | Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. |
Acidic environment | NACE MR0175 |
- Disc: Concentric, Single offset, Double offset, Triple offset. |
- Seat:Metal Seat / Soft Seat (EPDM, PFA, PTFE, Steel) |
- Leak proof - Positive shut-off. |
- Phenolic Backed Seat. |
- One piece thru' Shaft. |
- Fire Safe Design |
- Butt Weld Ends to ASME B16.25 ; DIN 3239,EN12627 |
- Flanged Ends to ASME B16.5 ; EN1092 ,DIN2543 ~ DIN2547 |
- Operation: Manual, Mechanical actuator, Electric actuator, Pneumatic actuator. |
- Application: used in large diameter (LV) air,gas pipes road and water routes |
- Clockwise closing direction |
Part Names | Part Materials | |||||||
Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
Bottom flange | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
Yoke | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
Disc | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M | CE8MN/CD4McN |
Stem | F6a | F304 | F6a | 14-7PH | 14-7PH | 14-7PH | 14-7-PH | A182 F51/F53 |
Taper Pin | F6a | F304 | F6a | F304 | F316 | F304L | F316L | A182 F51/F53 |
Gland | F6a | F304 | F6a | F304 | F316 | F304L | F316L | A182 F51/F53 |
Bolts/Nuts | B7/2H | L7/4 | B16/4 | B8/8 | B8M/8M | B8/8 | B8M/8M | B8M/8M |
O-Ring | NBR, EPDM, Neoprene, Viton | |||||||
Seat Ring | STL,SS304,SS316,N BR, EPDM, Neoprene, PTFE, Viton , PFA, SS304+Graphite , SS304+ PTFE | |||||||
Packing | Graphite/PTFE |