美利体育登录入口官网

电站阀门检修导则第7部分：调节阀

Power Station Valve Maintenance Guidelines Part 7: Regulating Valve

用于测量和确定低压燃气管道气体泄漏量的手持电气美利体育官网首页网址要求

Requirements for hand-held electrical devices for measuring and determining gas leakage in low-pressure gas pipelines

室外排水系统的状态评估与评价 第6部分：水、空气超压及低压美利体育登录入口官网法

Condition Assessment and Evaluation of Drainage Systems outside Buildings - Part 6: Testing of Existing Drainage Systems with Water, Air Overpressure and Underpressure

家用和类似用途电动风门

Motorized operated damper for household and similar use

气动控制阀

pneumatic control valve

高温管路连接卡箍通用规范

General specifications for high temperature pipeline connection clamps

空调用齿轮式电子膨胀阀

Gear-driven type electronic expansion valve for air-condition

电自动控制器 差动式电子膨胀阀

Electric automatic controller differential electronic expansion valve

轻型机械密封 第2部分：试验方法

Lightweight mechanical seals Part 2: Test methods

小型制冷系统用两位三通电磁阀

3/2 Solenoid valve for small refrigeration system

小型制冷系统用双稳态电磁阀

Bistable solenoid valve for small refrigeration system

煤化工用耐酸陶瓷球阀 技术条件

Technical conditions of acid-resistant ceramic ball valves for coal chemical industry

阀门的逸散性美利体育登录入口官网与控制

Fugitive detection and control of valves

现有建筑物气密性的测定

Existing Building Air Tightness - Part 3: Measurement of the air tightness