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中文Products >> butterfly valve >> VF730 center line butterfly valve
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 Product Description: PUMASON provided by the company-centered 90 ° rotary valve, butterfly valve for the rubber-coated whole, low-torque design of high-pressure double-sided holding pressure, completely isolated from contact with the fluid body and the valve shaft, the valve flap and valve shaft without pin design for easy maintenance and replace them, and in particular to prevent the valve shaft stuck into the inside of the self-lubricating bearings, valve can not be closed to prevent the general phenomenon of the problem, because the rubber seat materials add special formula to reduce the 40 % rubber aging rate, increased valve life, its application temperature up to ≦ 204 ℃, valve design with clip-on type, multi-ear style and flange style, more suitable for water, cooling water, gas, powder, etc. pipe for regulating fluid flow and the role of closed piping, used in air conditioning, shipbuilding, petrochemical, fire, water, etc. related to flue gas desulfurization systems, systems with different application requirements, provide a variety of material options for customers to choose purchase of reference. Main features: 1.The price is reasonable, open and close rapidly 2.operating torque is small, fast and easy operation and maintenance, labor-saving smart 3.can be installed in any position, easy maintenance 4.seals can be replaced, reliable sealing performance can be achieved bi-directional zero leakage sealing 5.sealing materials resistant to aging, corrosion resistance, long service life 6.according to ISO 5752,5211,5208 valve design provides 7.maximum pressure 40bar 8.meet explosion-proof certified: ATEX 94/9/CE Group II Category 2 GD |