密封

The piston seals are a BUNA N compound that provides smoother breakaway.

活塞密封是丁腈橡胶材料，可顺利分离。

The buna O-rings that sealed the nozzle and bulkhead again performed flawlessly.

该布纳O型环认为，密封喷嘴和舱壁再次表现得完美无缺。

The buna O-rings that sealed the nozzle and bulkhead performed flawlessly.

该布纳O型环认为，密封喷嘴和舱壁的表现堪称完美。

The elastomer material of most rubber seals (Section 6.3.2) is acrylonitrile butadiene rubber also known as nitrile rubber or buna N. For seals which are exposed to special thermal or chemical conditions, more expensive rubber grades may be required.

大部分的弹性体材料生产橡胶密封6.3.2丙烯腈顺丁橡胶也被称为丁腈橡胶或buna是：暴露于特别热或化学条件，更昂贵的橡胶级别也是可能被要求的。

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。

This surface provides maximum life for both the rod bushing and the seals.

这面 ，为双方提供最大的生活连杆衬套及密封。

However, the use of hard-seal butterfly valve pressure and operating GATE VALVES temperature range, has greatly improved.

但硬密封蝶阀的使用压力和工作温度范围，都有了很大的提高。

Features:- Neotecha butterfly valve is its most important features of the stem seal.

特点： --Neotecha蝶阀最重要的特点是它的阀杆密封。

Three eccentricity metal sealing butterfly valve is generally used in heating system, trunk and main branches.

三偏心金属密封蝶阀一般用在供热系统的主干线以及主分支上。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！