Products
Flange Butterfly Valve with Worm Gear
Worm gear operated flange butterfly valve:
Nominal diameter: 2″ – 88″ (DN50mm – DN2000mm)
Valve Design: API 609, MSS SP-67
Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
Pressure Test: API 598
Top flange: ISO5211
Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
Operating pressure: 16bar for DN50-DN300, 10bar for DN350-DN2200
Body: ASTM A536 65-45-12, WCB, CF8M
Bonded with NBR or EPDM
Disc: ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
Stem: SS420,SS431
Body style: Flange
Product Details
| NO. | Part name | Material |
| 1 | Body | ASTM A536 65-45-12, WCB, CF8M |
| Bonded with NBR or EPDM | ||
| 2 | Disc | ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462 |
| 3 | Stem | SS420,SS431 |
| 4 | Screw | SS304 |
| 5 | Retainer | SS201 |
| 6 | Weather seal | NBR |
| 7 | Bearing | RPTFE with Graphite on I.D. |
| 8 | Lower Stem | SS420, SS431 |
| 9 | Bottom cover | Same as body |
| 10 | Bolt | SS304 |
| 11 | Screw | SS304 |
TECHNICAL DATA
| Body style | Flange |
| Nominal diameter | 2″ – 88″ (DN50mm – DN2000mm) |
| Top flange | ISO5211 |
| Operating pressure | 16bar for DN50-DN300, 10bar for DN350-DN2200 |
| Temperature range | -20 °C to + 140 °C (depending on pressure, medium and material) |
| Flange accommodation | EN 1092 PN 6/PN10/PN16 |
| ASME Class 150AS 4087 | |
| PN10/ PN16JIS 5K/10K | |
| Applications | Potable Water, Wastewater, Seawater, HVAC |
| Operation | Hand lever, gear box, pneumatic actuator, electric actuator |
DIMENSIONS (mm)



