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J23WH外螺紋針型閥DN40 DN50 DN65 DN80

J21WH外螺紋針型閥DN50 65 80 100 150

J13WH內(nèi)螺紋針型閥|J13W針型閥|內(nèi)螺紋針型閥

美標(biāo)J11W針型閥|J11W美標(biāo)內(nèi)螺紋針型閥

J94WH卡套角式針型閥|卡套角式針型閥

J91WH卡套針型閥|J91W針型閥|卡套針型閥

外螺紋針型閥|J23W針型閥|J23W外螺紋針型閥

J13W針型閥

YG13/43H高靈敏度蒸汽減壓閥|高靈敏度減壓閥|蒸汽YG13減壓閥

J13W/H內(nèi)螺紋針型閥

J24W/H外螺紋角式針型閥|外螺紋針型閥|角式J24W針型閥

J91W/H卡套式針型閥

針型閥|J94W/H卡套角式針型閥|角式針型閥

針型閥|J21W壓力表針型閥|J21W針型閥

針型閥|JJM1壓力表針型閥|JJM1針型閥

JJM8節(jié)流式針型閥|針型閥|JJM8針型閥

J19W/H壓力表三通針型閥|壓力表針型閥|三通J19W針型閥

J49W/H壓力計針型閥|J49W針型閥|壓力計針型閥

針型閥|J23W外螺紋針型閥|J23W針型閥

FJ61W承插焊針型閥

J43W/H法蘭針型閥

多功能針型閥|CJ123H針型閥|CJ123H多功能針型閥

針型閥|CJ123H多功能針型閥|多功能針型閥

密封針型閥|GMJ14F高密封取樣閥針型閥|取樣針型閥