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Personne àcontacter Mr. li
no. 3 shengpu road, suzhou, China
Non-maintenance designed, inside and outside electrostatic epoxy resin power coating, the valve can be installed under the ground directly. The valve adopts the back seal and the stem seal, the valve adopts flat bottom designing ensures no dead space and very little flow resistance. The wedge adopts bidirectional groove designing ensures the best reliable seal. A set of seal pressure angle adopts gradual designing. The pressured surface of stem adopts high strength self-lubricated materials. the valve can be opend and closed easily. the bonnet, body castings adopt equal thickness designing to avoid the outside leakage by the stress function
