– The products have passed ISO9001 and CE certification.
– The valve life is guaranteed for 5 years.
– We provide one-stop sourcing service for you.
– The dozens of series of ball valves, butterfly valves, electric actuators, pneumatic actuators, and accessories.
COVNA company main produce: Pneumatic Powder Butterfly Valves
• COVNA series powder pneumatic butterfly valve is used advanced Italian technology by first-class engineers to make bold breakthroughs and innovations in the material technology and a new development of a powder, granular materials, material delivery Since the advent of new industrial products and products, it has created a series of successful applications in extremely harsh environments with granular media, and is very popular by owners and technical engineers in the powder industry.
• The valve body is made of lightweight high-pressure cast aluminum alloy with light weight.valve plate is lined with a steel core of wear-resistant polymer materials, and wear-resistant rubber seals to form a high wear resistance soft seal, wear and then strong can also be applied.
• The application of granular materials, especially for abrasive materials, in powder and granular material processing systems that require gravity blanking or pneumatic conveying. It is suitable for powder and granular materials with gravity blanking and gas conveying. Processing system. is specially used for powder/cement material industry products. Installed in the hopper, silo, scre.
• Single Flanged(S) and Double Flanged(D) is for your reference.
| Nominal Size | Operated Type | Work Pressure | Work Temperature | Seal Material | Disc Material | Body Material | Medim | Connection Standard |
|---|---|---|---|---|---|---|---|---|
| DN50 ↓ 350 | Pneumatic Actuator, Electric Actuator, Manual Hand Lever, Worm Gear | PN0.1 | -15-85°C | EPDM, NBR, VITON | SS304, SS316 | WCB | Dust, Fodder, Cement | PN10/PN16, ANSI150, D1N16, JIS10K/16K |
COVNA company main produce: Pneumatic Powder Butterfly Valves
