阀弹簧

Two sets of Belleville springs keep stem tight for long periods of time without maintenance.

两套免维护长期保持阀杆紧密性的Belleville弹簧。

Two sets of Belleville springs keep stem tight for long periords of time without maintenance.

动负载。两套Belleville弹簧保持阀杆在无维护状态下长期紧密。

Copper body, corrosion resistant plastic check modules, silicone discs and Buna 'N' seals, stainless steel springs.

铜阀体，耐腐蚀塑料止回模块，硅阀瓣和丁纳橡胶密封，不锈钢弹簧。

Cast bronze body, durable plastic check modules, silicone discs and Buna 'N' seals, stainless steel springs, one union and "O" ring union seal.

铸青铜阀体，双塑料止回模块，硅阀瓣和丁纳橡胶密封，不锈钢弹簧，一个接头和O形环接头密封。

Cast bronze body, durable plastic check modules, injection molded of acetyl resin and PPO, silicone discs and Buna 'N' seals, stainless steel springs, one union and "O" ring union seal.

铸青铜阀体，双塑料止回模块，乙酰树脂和PPO注射模压，硅阀瓣和丁纳橡胶N密封，不锈钢弹簧，一个接头和O形环接头密封。

Machined brass construction, durable plastic check modules, injection molded of acetyl resin, silicone discs, Buna 'N' seals, and stainless steel springs.

机加工黄铜结构，耐用的塑料止回模块，注塑模制乙酰树脂，硅阀瓣，丁纳橡胶密封，以及不锈钢弹簧。

Machined brass construction, chrome nickel plated body, EPR rubber check disc assemblies and Buna 'N' seals, stainless steel springs and pressure plates are standard.

标准配置为机加工黄铜结构，镀铬镍阀体，乙丙橡胶止回阀瓣总成和丁钠橡胶密封，不锈钢弹簧和压力板。

Diagraph spring pneumatic brake valve is widely used as control valve for tractor - trailer braking system.

膜片弹簧式气制动阀作为控制阀已广泛地应用于拖拉机挂车制动系统。

And the lighter in the second check module.

较重的弹簧负载模块应该在第一止回阀内

The heavier spring and smaller diameter seat belong with the first check module.

较重的弹簧和较小直径的阀座属于第一止回阀模块。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。