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■适用范围 .1.1区 2区危险场所. .2.IIA IIB IIC类性气体环境. ■Application 。1.Can be used in Zone l Zone 2 dangerous places. 。2.Can be used in IIA IIB IICgroup explosive atmosphere ■产品特点 .优质碳素钢制成,表面镀锌或采用不锈钢 .螺纹规格和特制,如NPT螺纹,公制螺纹等 注;标注螺纹规格时应注明内外螺纹.如;BHJ-G3/4(内)/G1(外)意义为长度为,一端为 内螺纹G3/4,一端为外螺纹 ■Features 。The product is made of carbon steel adopting galvanized surface stainless steel 。Thread can be specially made Noted Please note inner outer thread specification when noting the thread Fexample; BHJ-700XG3/4(inner)/G1(out)means;lt s one terminalis inner thread G3/4,another terminal is outer thread G1〃.