Nominal pressureandNominal diameterThe same common butterfly valve and gate valve which is more tight, not easy to leak?

Gate valves are better closed than butterfly valves, but there are also manufacturers of butterfly valves closed performance is very good.

Gate valves are bulky and take up a lot of space.

Butterfly valve small volume, small space.

Specific selection, but also consider the temperature of the medium, valve seal and packing.

Specifications for disc valves with nominal diameter greater than 50.

Handle butterfly valve is a national key new product, high performanceManual butterfly valveA double eccentricity and a special oblique cone ellipse seal are used. Traditional eccentricity is resolvedButterfly valveAt the moment of opening and closing of 0° ~ 10°, the sealing surface is still in the defect of sliding contact friction, realizing the effect that the butterfly plate separates the sealing surface at the moment of opening and closes the contact, achieving the purpose of extending the service life and the best sealing performance.