工業泵網 90o回轉青銅球閥：QUARTER-TURN BRONZE BALL VALVES:按照美國閥門和管件制造商標準化協會MSS-SP110標準制造，額定非沖擊冷水工作壓力為600 psi。閥體應該是焊接連接，三件式結構，便于銅焊安裝時的拆卸。閥門應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。新購買的閥門應該經過制造商的清洗和包裝，適用于氧氣管道系統。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，帶加長閥罩）美國尼伯科CS-595-66-EC球閥（焊接，帶加長閥罩和不銹鋼閥內件）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，所選的球閥應該配置2英寸加長不導熱手柄。此外，還要配置保護性套管，使得操作閥門時不會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)