Compare to ball valve, FEIDA VPSA/PSA butterfly valve is better than ball valve for sure. Please see the listed excellent feature following:

1. Long service life, open/close 1 million times

2. Super reliable sealing performance: bi-directional sealing zero bubble

3. Patent seat design

4. Vacuum service ability

5. Available fully rated to class 2500lb

6. Anti-clout device design

7. Fire-safe design optional

8. Excellent flow and throttling characteristics covering services from cryogenic to high temperature

Comparison to Ball valve

1. Double offset structure design, the disc is easy to take off from the seat during CLOSE to OPEN.

2. Lower torque than ball valve, so the cost of actuator will much more lower than the ball valve

3, Smaller size, the small size, the light mass will be a lower cost of valve with the same piping internal dimention.

4. longer life cycle

5. ON/OFF operating time is less than 1.5 second.

6. Maximum 30 operating within 1 minute.

FEIDA VALVE is the top ranking China double offset butterfly valve manufacture. The annual output of high performance butterfly valve is more than 100,000,000 set.

The API 607 fire safe high performance butterfly valve is also in FEIDA VALVE product range. Our fire safe butterfly valve is certificated by American Petroleum Institute (API) according to API 607 standards.

FEIDA VALVE also build up a dustless workshop to produce ultra-clean valve for some critical working condition such as nuclear industry, semiconductor industry etc.

In the dustless workshop, FEIDA also produce the food-grade valves. FEIDA food-grade valve is certificated by Food and Drug Administration United States (FDA).

If you are interested in valves, you can contact us directly, email:ethan@feidavalve.com