Valve Seals: Butterfly Valve And SealingRing

Valve seals: butterfly valve and sealing ring

Seals, also known as sealing rings (gaskets), etc., involve a wide range of 

industries, ranging from the electronics industry, the automotive industry, the 

small household appliance industry, the digital product industry (mobile phone 

industry, etc.), to the national military-specific Seals, shipbuilding, aviation, 

super-large construction machinery industry, etc. We may touch seals (gaskets) 

everywhere in our lives. Just like the shower head in our water heater, there is a 

small sealing gasket, which mainly plays the role of sealing the water (if you 

don't have it, your water heater will not be able to heat up). In addition, the

mobile phones we use also use sealing gaskets. Without the sealing gaskets, a lot 

of dust will run into the inside of your mobile phone. So small seals play a 

pivotal role in our lives.

Butterfly valve, also known as flap valve, is a kind of regulating valve with

simple structure. Butterfly valve that can be used for on-off control of low-

pressure pipeline medium means that the closing member (disc or butterfly plate) is 

a disc, which rotates around the valve shaft to achieve opening and closing. 

Butterfly valve refers to a valve whose closing member (valve disc or butterfly 

plate) is a disc, which rotates around the valve shaft to achieve opening and 

closing. It is mainly used for cutting off and throttling on the pipeline. The 

butterfly valve opening and closing part is a disc-shaped butterfly plate, which 

rotates around its own axis in the valve body to achieve the purpose of opening and

closing or adjustment. The butterfly valve is usually less than 90° from fully 

open to fully closed. The butterfly valve and the butterfly stem have no self-

locking ability. In order to locate the butterfly plate, a turbo reducer should be 

installed on the valve stem. Using the turbo reducer can not only make the 

butterfly plate have self-locking ability, so that the butterfly plate can stop at 

any position, but also improve the operation performance of the valve. The 

characteristics of industrial butterfly valve are high temperature resistance, high 

applicable pressure range, large nominal diameter of the valve, carbon steel body, 

and metal ring instead of rubber ring for the sealing ring of the valve plate 

(butterfly valve seal).