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如何按照美國標(biāo)準(zhǔn)選用醫(yī)療氣體系統(tǒng)閥門
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MSS-SP110標(biāo)準(zhǔn)制造,額定非沖擊冷水工作壓力為600psi。閥體應(yīng)該是焊接連接,三件式結(jié)構(gòu),便于銅焊安裝時的拆卸。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 rated 600 psinon-shock cold working pressure
are to be used. Body shall have solder ends and 3-pc. designpermitting disassembly for brazing
installation. Valve to have TFE seats, full-port, anti-blowoutstems and chrome-plated
brass/bronze ball. Valve shall be provided by manufacturer cleanedand 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(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 steeltrim)
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,使得操作閥門時不會破壞氣體密封或絕緣性能。
Where piping is insulated, ball valves shall be equipped with 2"extended handles of non-
thermal conductive material. Also, provide a protective sleeve thatallows 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)
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