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SY/T5525-92

旋轉(zhuǎn)鉆井設備 上部和下部方鉆桿旋塞閥

Rotary drilling equipment upper and lower kelly plug valves

GB/T12240-1989

通用閥門鐵制旋塞閥

Universal Valve Iron Plug Valve

JB/T8860-2004

旋塞閥 靜壓壽命試驗規(guī)程

Plug valve static pressure life test procedure

ASTM E 675-2002

可互換的圓錐接地旋塞閥和栓塞的標準規(guī)范

Standard Specification for Interchangeable Conical Grounded Plug Valves and Plugs

ASTM E911-1998

聚四氟乙烯PTFE插頭的玻璃管旋塞閥

Glass tube stopcock with Teflon PTFE plug

BS EN 331-1998

建筑物燃氣供應設備用人工操作球閥和封底錐度旋塞閥

Manually operated ball valve and bottom sealing taper plug valve for building gas supply equipment

EN 331-1998

建筑物燃氣供應設備用人工操作球閥喝封底錐形旋塞閥

Manually operated ball valve for building gas supply equipment

BS 5158-1989

鑄鐵旋塞閥規(guī)范

Specification for cast iron plug valves

QB/T3894-1999

內(nèi)螺紋連接旋塞閥旋塞式液面指示器

Internally threaded plug valve plug level indicator