当进口接管与进口管弯头之间必须要通过紫铜管连接时,紫铜管必须符合BS2871:part 1中表X或表Y的要求,密封面通过卡套的变形来形成,此卡套符合BS864: part 2的要求。无论任何连接方式,都要满足条款26的要求。 对任何从水箱底部进水的浮阀,都要配备一个顶端可以调节的锁紧螺栓,能够借助于水箱壁锁紧。 14(进口接管...
管道系统(图7的标记(g)),50毫米标称管径,连接真空容器、全方位速动阀、脱水器和试验中浮子阀 的连接管道的全长不超过2米。 D.1.8 A 15 mm copper pipe, (marked (h) on figure 7) to BS 2871 : Part 1 table X no longer than 200 mm in length, connecting the float operated valve under test...
bs1212-1中文版-英国标准浮子阀.doc,BS 1212:Part 1 :1990 BS 1212:第1部分:1990 UDC 621.646.618:621.646.2-314.1 :669.355 UDC 621.646.618:621.646.2-314.1 :669.355 ? British Standards Institution. No part of this publication may be photocopied or otherwise r
与BS 5154相符的50毫米全通闸式阀(图9的标记( F.1.3 A vacuum vessel (marked (c) on figure 9), comprising a galvanized mild steel cylinder, type reference Y58 complying with BS 417 : Part 2 with modified connection on the side to take G2 pipe complying with BS 21, with other ...
BS1212:Part1:1990 BS1212:第1部分:1990 UDC621.646.618:621.646.2-314.1:669.35'5 UDC621.646.618:621.646.2-314.1:669.35'5 ©BritishStandardsInstitution.NopartofthispublicationmaybephotocopiedorotherwisereproducedwithoutthepriorpermissioninwritingofBSI 英国标准协会。未经英国标准协会(BSI)事先书面许可,不得影印...
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BS 1212 part2 1990-Chinese.doc,浮阀 ---Part 2 隔膜式浮阀技术说明(铜合金本体)(不包括浮球) 第一部分:总则 1 范围 此标准规定了隔膜式浮阀的材料、尺寸、公差和功能,浮阀的常用规格是3/8和1/2,其中的密封座有3号,5号,6号和9号四种形式,所用浮球符合BS1968和BS2
管道系统(图7的标记(g)),50毫米标称管径,连接真空容器、全方位速动阀、脱水器和试验中浮子阀 的连接管道的全长不超过2米。 D.1.8 A 15 mm copper pipe, (marked (h) on figure 7) to BS 2871 : Part 1 table X no longer than 200 mm in length, connecting the float operated valve under test...
Part 4. Specification for compact type float operated valves for WC flushing cisterns (including floats) 第4部分:厕所冲洗水箱用小型浮子阀规范(包含 浮子) BSI 1990 NO COPYING IN ANY FORM WTTHOT T WRTTEN PERMISSION FROM BSI BSI 1990 未经BSI书面认可,不得以任何形式进行复制。 STANDARDS 标准 Contents...