seal-welded taper pipe threaded joint 锥管螺纹密封焊连接 ; 锥管罗纹弥缝焊毗连 ; 密封焊连接
SEAL WELDED BONNET 围焊结合式
Seal-welded taper pipe 锥管螺纹密封焊连接
Seal Welded Seats 密封焊接阀座
taper pipe thread seal-welded 圆锥管螺纹密封焊
seal-welded taper pipe threa 锥管螺纹密封焊连接
expanded and seal welded type 胀管加焊封式
welded seal 焊接密封
welded seal gasket 焊接密封垫片
welded joints seal 焊接连接密封
Our products have reached the international supreme grade in quality available for USA, Janpan, Australia and other advanced countries' standards and all be non-seal welded.
公司联合企业的产品质量达到国际最高级别，并做到全部无焊接，可执行美国、英国、日本、澳大利亚等先进标准。
This valve is welded in fine steel, having the features of handy to operate, good seal, reliable performance and having the function of automatic air-locking dropping material.
采用优质钢材焊接而成，运行灵活、密闭性好、性能可靠，具有自动锁风落料的功效。
Seat rings are long to compensate for temperature fluctuations and are seal - welded. seating faces are hardfaced with stellite 6, ground and lapped to mirror finish.
阀座环较长，并且是密封焊接的，能够补偿温度波动。阀座面用钨铬钴合金6硬化， 研磨和层叠为镜面光洁度。
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