PTFE Seat Butterfly Valve

Zhongguan is a great choice if you're looking for a PTFE seat butterfly valve supplier in China. This anti-corrosive butterfly valve is widely used in industrial plants, especially in water treatment and some chemical plants. It is also an economical option for water treatment applications, especially in corrosive enviroments.

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Product Description

The most significant parts in PTFE seat butterfly valves, is the PTFE seat. The PTFE Seats have outstanding chemical resistance. So, the PTFE seat butterfly valve not only can used in strong acid and strong alkali also. If you are handling some corrosive substances in your projects or need a valve have the best performance in these environments, the PTFE seat butterfly valve is the best choice, if it needed, we also can provide fully lined PTFE butterfly valves. If you are still not sure about material choosing, just leave your message to us.

Design FeaturesAS mentioned before, excepting some regular medium in the industrial plants, The PTFE seat butterfly valves can also can handle with some strong acid and alkali.

PTFE is resistant to:

● Concentrated Sulfuric Acid

● Concentrated Hydrochloric Acid

● Concentrated Nitric Acid

● Hydrofluoric Acid

● Sodium Hydroxide and Potassium Hydroxide

● Ammonia Solution

● Organic solvents such as chloroform, toluene, and ethyl acetate

The pic on the blow, it is indicated the most commonly type in PTFE seat used in butterfly valve, if you need virgin PTFE seat, we also can provide, please check our split body fully PTFE lined butterfly valve.

Possible Failures and Troubleshooting Methods In Butterfly Valves

Possible Failures	Causes of Failures	Troubleshooting Methods
Leakage at the Packing Area	● Expired or Aged Packing ● Bolts on the bonnet not tightened	● Replace the packing ● Evenly tighten the bonnet bolts
Leakage at the Packing Area	● Bolts not tightened ● Damaged O-ring	● Tighten the bolts. ● Replace the O-ring
Leakage at the Packing Area	● Valve installation direction is inconsistent with the medium flow direction ● Failure to close completely ● Accumulation of dirt on the sealing surface ● Damage to the sealing surface	● Pay attention to installation inspection. ● Re-adjust the screws on the actuator and ensure proper closure. ● Clean the accumulated dirt. ● Re-grind and repair the sealing surface