Construction is as follows
| 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 | |||||||
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