Name | Groove butterfly valve |
Size | 2-1/2 "~ 8 " ; DN65 ~ DN200 |
Normal pressure | Class 125LB ~ 250LB ; PN10 ~ PN16 |
Body material A | Cast iron: ASTM A126CL.B, DIN1691 GG25, EN 1561 EN-GIL-200 |
Body material B | Ductile iron: ASTM A53665-45-12, DIN 1693 GGG40, GGG 5 0 , EN1563 EN-GJS-200 |
Design standard | API 6 09, AWWA C504,MSS SP-67; DIN 3354 ,EN593,BS5155 |
M arked | MSS SP-25 |
Top flange | ISO 5211 |
Test standard | API598; DIN3230,EN12266, ISO 5208 |
Suitable temperature | - 10 ~ 15 0°C |
Medium | Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. |
Operation | Lever Hand Operated,Gear Operated, Electrical Actuated, P heumatic Actuated |
- Disc: Concentric, Single offset, Double offset, Triple offset. |
- Seat: Soft Seat/Metal Seat (EPDM, PFA, PTFE, Steel) |
- Leak proof - Positive shut-off. |
- Phenolic Backed Seat. |
- One piece thru' Shaft. |
- Fire Safe Design |
- Flanged Ends to ASME B16. 1; EN1092 -2 ,DIN 2501 , BS 4504 -2,ISO 7005 |
- Operation:Bore Stem, 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 | A126CL.B | GG25 | EN-GIL-200 | A53665-45-12 | GGG40 | GGG 5 0 | EN-GJS-200 | Al-Bronze |
Yoke | A126CL.B | GG25 | EN-GIL-200 | A53665-45-12 | GGG40 | GGG 5 0 | EN-GJS-200 | Al-Bronze |
Gland | A126CL.B | GG25 | EN-GIL-200 | A53665-45-12 | GGG40 | GGG 5 0 | EN-GJS-200 | Al-Bronze |
Bolts/Nuts | 35/45 | 35/45 | 35/45 | 35/45 | 35/45 | 35/45 | 35/45 | B 8M / 8M |
Disc | Al-Bronze,DI,CF8,CF8M | |||||||
Stem | Carbon steel,SS410,SS304,SS316,MONEL K500 | |||||||
Taper Pin | Carbon steel,SS410,SS304,SS316,MONEL K500 | |||||||
O-Ring | NBR, EPDM, Neoprene, Viton | |||||||
Seat Ring | N BR, EPDM, Neoprene, PTFE, Viton , PFA, SS304+Graphite , SS304+ PTFE | |||||||
Packing | Graphite/PTFE | |||||||
Bonnet Gasket | SS304+Graphite/SS3 16 +Graphite | |||||||
Suitable Medium | FreshWater,Sewage,SeaWater,Air,Vapour,Food,Medicine,Oils,Acids,Alkalis,Salts,Etc. | |||||||
Suitable Temperature | BUNA-N(NBR)≤80°C EPDM ≤120°C VITON ≤150°C |