seat pin

The developed drill pipe valve used in gas drilling is made up of nipple, cushion, sealing parts, valve seat, pin bearing, cylindrical torsion spring and valve plate.

气体钻井过程中，常规的配套工具无法满足工艺要求，为此而研制的气体钻井用钻杆阀由钻杆阀短节、缓冲垫、密封部件、阀座、销轴、圆柱扭簧和阀板等组成。

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Have a fixed attenuator series, short-circuit plug seat series, gold-plated jack series, pin series, test block series, EQ shell series accessories.

有固定衰减器系列，短路插头座系列，镀金插孔系列，插针系列，测试座系列，均衡器外壳系列等配件。

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