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PTFE Lined Stop Valve

price: Negotiable
Total supply:
Delivery term: The date of payment from buyers deliver within days
seat: Zhejiang
Validity to: Long-term effective
Last update: 2019-10-23 15:48
Browse the number: 406
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Product details

The opening and closing member of the PTFE lined stop valve is a plug-shaped valve flap, and the sealing surface is flat or tapered, and the valve flap moves linearly along the center line of the fluid. The movement form of the valve stem has a lifting rod type (the valve stem is lifted and lowered, the hand wheel does not move up and down), and there is also a lifting rotary rod type (the hand wheel and the valve stem rotate together and the nut is set on the valve body). The PTFE lined stop valve is only suitable for full opening and full closing, and adjustment and throttling are not allowed.

Main Parameters

Brand: NX

Material: Stainless steel+PTFE, carbon steel+PTFE

Lining Thickness: 4-10mm

Suitable fluid: Acid or Alkali fluid, and other corrosive fluid

Temp. Range: -25℃-130℃

Diameter: 1’-8’



The PTFE lined globe valve has the following advantages:

The structure is simple, and the manufacturing and maintenance are convenient.

The working stroke is small and the opening and closing time is short.

The sealing performance is good, the friction between the sealing surfaces is small, and the service life is long.

The disadvantages of the PTFE lined shut-off valve are as follows:

The fluid resistance is large, and the force required to open and close is large.

Not suitable for media with particles, high viscosity, and easy to coke.


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