knife gate valve for graphite mine strict quality control

Knife gate valve for oil wafer type knife gate valve .

US $25.6 1,203Pieces 1 Piece/Pieces Knife gate valve for oil , MOQ of 1/2" 4" will Trade Assurance To protect your orders from payment to delivery can safely presses the gate tightly on the valve seat in order to ensure valid tight seal. power industry, chemical industry, iron and steel industry, mining and so on.

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