ponents and assemble the valve in a clean, dust-free and grease-free environment. Р No coating is allowed on test valves, except for the primer coating. 在清洁、无尘、无油的环境中对阀门零件除油并干Р 燥,然后装配。Р1 TEST PROCEDURE 试验程序Р2 General 概述Р РRising stem and quarter turn valves shall undergo a seat leakage and operational test in accordance with Clause Р3.10.2. Check valves shall undergo a seat leakage and operational test in accordance with Clause Р3.10.3. Valves having a fugitive emission class specified shall also undergo a fugitive emission test in accordance Рwith Clause 3.10.4. 升降式阀杆和四分之一回转阀门必须能够满足条款3.10.2中的规定的密封泄漏试验和操作试验的要Р求。止回阀必须能够满足条款3.10.3中规定的密封泄漏试验和操作试验的要求。带有逃逸性排放等级的阀门,必须按条Р款3.10.4进行逃逸性排放试验。РThe test shall be considered failed when any of the acceptance criteria are not met. 如验收标准中的任何一条未得到Р 第10/17页