Ultra-low Temperature Needle Valve
MstnLand's series of Ultra-low temperature needle valve is made of stainless steel as the main material, completely avoid the sealing deformation and leakage in the process of use, impregnated polytetrafluoroethylene asbestos as the filler with flexible graphite as the sealing material, this material is not permeable to gas and liquid. In the thickness of 10%-15% of the elastic fastening pressure can be achieved to seal, with self-lubricating as a filler can prevent the packing and stem wear.
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