工業(yè)泵網(wǎng) 90o回轉(zhuǎn)青銅球閥：QUARTER-TURN BRONZE BALL VALVES:按照美國閥門和管件制造商標(biāo)準(zhǔn)化協(xié)會(huì)MSS-SP110標(biāo)準(zhǔn)制造，額定非沖擊冷水工作壓力為600 psi。閥體應(yīng)該是焊接連接，三件式結(jié)構(gòu)，便于銅焊安裝時(shí)的拆卸。閥門應(yīng)配置聚四氟乙烯閥座，不縮徑全流道，防吹出閥桿和鍍鉻黃銅/青銅球體。新購買的閥門應(yīng)該經(jīng)過制造商的清洗和包裝，適用于氧氣管道系統(tǒng)。Manufactured in compliance with MSS-SP-110 and rated600 psi non-shock cold working pressure are to be used. Body shall have solder ends and3-pc. design permitting disassembly for brazing installation. Valve to have TFE seats, full-port, anti-blowout stems and chrome-plated brass/bronze ball. Valve shall be provided by manufacturer cleaned and bagged for oxygen service.可采用的閥門：美國尼伯科S-595-YX球閥（焊接）ACCEPTABLE VALVES:NIBCO S595-YX(solder)可采用的閥門，帶6英寸連接端：美國尼伯科CS-595-YX-EC球閥（焊接，帶加長(zhǎng)閥罩）美國尼伯科CS-595-66-EC球閥（焊接，帶加長(zhǎng)閥罩和不銹鋼閥內(nèi)件）ACCEPTABLE VALVES W/6" STUB ENDS:NIBCO CS595-YX-EC(solder w/expanded cup)NIBCO CS595-66-YX-EC(solder w/expanded cup and stainless steel trim)注意：NOTE:如果要求管道處于絕緣狀態(tài)，所選的球閥應(yīng)該配置2英寸加長(zhǎng)不導(dǎo)熱手柄。此外，還要配置保護(hù)性套管，使得操作閥門時(shí)不會(huì)破壞氣體密封或絕緣性能。Where piping is insulated, ball valves shall be equipped with2" extended handles of non-thermal conductive material. Also, provide a protective sleeve that allows operation of the valve without breaking the vapor seal or disturbing the insulation.可采用的閥門：美國尼伯科S-595-YXNS球閥（焊接）ACCEPTABLE VALVES:NIBCO S595-YXNS(solder)