Semi Lined Butterfly Valve

Semi Lined Butterfly Valve

ZFV Semi lined butterfly valve. When customer request rubber lined butterfly valve, we need to confirm which type they need for different prices: fully lined type or semi lined type ? Fully rubber lined butterfly valve means disc rubber lined, body seat rubber lined. If this type valve, all...

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ZFV Semi lined butterfly valve. When customer request rubber lined butterfly valve, we need to confirm which type they need for different prices: fully lined type or semi lined type ?

Fully rubber lined butterfly valve means disc rubber lined, body seat rubber lined. If  this type valve, all contacting area with medium is rubber, no matter what body material is, valve can be used for strong corrosive medium. Price of fully lined valve is higher than semi lined valve.

Semi rubber lined butterfly valve means not both disc and body seat lined, only one, normally body seat lined. 


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