PRODUCT NAME:BUTTERFLY VALVES
Body material – Cast Iron, Ductile Iron, Carbon Steel, Stainless Steels, Al. Bronze and
other exotic alloys.
Disc material – Ductile Iron,Ductile Iron with Aroxy coating,
Stainless Steels, Cast steel.
Seat material – EPDM, Nitrile, Viton.
FEATURES OF BUTTERFLY VALVES:
Resilient seated Butterfly Vales, bi-directional:
► Can directly mount actuators, gear operators.
► Various types of seal design to facilitate best performance and long seal life.
► High performance double eccentric valves are also available in wafer, lug type and flanged configurations.
► Available with a variety of pneumatic, electric and hydraulic actuation.
| TECHNICAL SPECIFICATION | |
| Manufacturing & Testing Standard | BS 5155 (BS EN 593)/ AWWA C504/ IS 13095 |
| End Connections | Double flanged (short/long) Flanges drilled toIS/BS/AWWA/ANSI/DN as per customer requirement |
| Size Range | Wafer : 50 mm to 3000 mm
Flanged : 50 mm to 3000 mm |
| Pressure Ratings | BS 5155 /IS 13095 – PN6, PN10 &PN16
AWWA-C504, Class 25, 75A, 75B, 150A, 150B |
| Operation mechanism | Manual operation : Hand lever upto 150 mm – for PN10 only, Gear box for other sizes. |
| Power operations | Electrical actuator with gear box, pneumatic cylinder / actuator and hydraulic / actuator. |
| Seal | Flat / Music note type |
| MATERIAL OF CONSTRUCTION | |
| Component | Material of construction |
| Body/ Disc/ Disc Cover (600 & above) | CI IS 210 Gr. Fg. 260/300, 2% NICI CI-BS EN-1561 – EN – GJL-250 SG Iron – IS 1865 Gr. 500/7, 400/12 CS-ASTMA-A-216 Gr. WCB, C St. St. ASTMA-273 Gr. CF8/CF8M, MS Fabricated, MS IS 2062 Gr. Fe. 410A/B |
| Clamping ring | MS IS 2062, St. St. ASTMA-273 Gr. CF8/ CF8M, St. St. AISI-410 /304/ 316L |
| Disc seal | Nitrile, EPDM, Viton. |
| Shaft | St. St. AISI-410 /304/ 316L, BS 970 420/431 |
| Bearing bush | Sleeve type Teflon lined / IS-318 LTB2 |
| Fastners | Internal S.S. 410/ 304/ 316/ 316L, External – High tensile steel. |
