1. Flanged Type butterfly valve features: ** Structural design complies with BS 5155.** Flange drilling acc. BS4504, Section 3.2, ANSI B16.1, Class125/100 and DIN2501 PN10, PN16 and JIS B221010K, JISG55277.5K.** Operating system can be worm gear, pneumatic actuator and electric actuator. Actuator connection acc.ISO5211. ** Eccentric disc, dual parallel joist structure, Min. flow obstruction, vibration-free even under high flow rate, save energy.** Stainless steel seat** Unique sealing ring, with saw-tooth sides, embedded directly into disc, bolt-free connection, easy on-line replacement, uniform & tight sealing effect, aspiratory rubber sealing ring, prolonged service life.** Unique taper pin, US patent design pin, bolt free & clearance free connection, eccentric pin maintains strength of shaft, large contact area, tight for long service,good exchangeability.** Excellent sealing effect, leakage free even under ±1 degree offset between sealing ring and seat. ** Self-lubrication type shaft bearing, small operation frictionand no requirement for oil.
Valve Size (mm) | DN350-DN2600 | ||
Pressure rating | PN6 | PN10 | PN16 |
Max. working pressure MPa | 0.6 | 1 | 1.6 |
Seat pressure MPa | 0.66 | 1.1 | 1.76 |
Body pressure MPa | 0.9 | 1.5 | 2.4 |
Application medium | Water, Sewage | ||
Medium temperature | ≤65 | ||
Medium flow rate | ≤3M/S |
2. Wafer & Lug Type butterfly valve features:
Features: ** Structural design complies with BS 5155.** End connection acc. BS 4504, Section3.2, ANSI B16.1,class 125/150 and DIN 2501 PN10, PN16 and JIS B221010K, JIS G5527 7.5K. ** Operating system can be lever handle, worm gear, pneumatic actuator and electric actuator. Actuator mounting flange acc. ISO 5211.** Face to face dimension acc. ISO 5752. ** Long neck facilitates connection to pipeFusion epoxy coating** Removable seat structure facilities site maintenance.** Streamline structure, high Cv valueDual direction flowing** Unique taper pinUS patent design pinLarge contact area, tight for long serviceGood exchangeability** Excellent sealing effect** complies with BS 6755, part1, 1986.
Valve size | DN50-DN600 | |
Pressure rating | PN10/PN16 | |
Body pressure | 1.5/2.4MPa | |
Seat pressure | 1.1/1.76MPa | |
Operation temperature | -50-180 | |
Medium | Water, oil,air | |
Material | Body | Ductile cast iron, cast iron, aluminum alloy, S.S. |
Disc | D.I.+ nickel plated, D.I. + nylon 11 coated, 304 and 316 S.S. | |
Seat | NBREPDM | |
Stem | 304,316 and 410 S.S. | |
Painting | Epoxy coated |
Butterfly valve