1.
This connected burden receiving valve is lower sealing valve. This valve's structure is the same burden receiving valve, only diameter is differential.
与料流调节阀连接的是下密封阀，下密的结构与上密封相同，只是口径不同。
2.
It has two stem sealing: one is stuffing box and another is toroidal sealing ring( O-ring).
本阀阀杆密封分为两种形式：一为填料密封；一为O型密封环密封。
3.
bellows sealed gate valve
波纹管密封的闸板阀
4.
bellows seal bonnet
波纹管密封型上阀盖
5.
The Seal Structure Improvement of Multi-Seal Fuel Gas Separates
多密封燃气隔断闸阀密封结构的改进
6.
Remove check valve and valve seal from booster.
从倍力器上卸去逆止阀和阀门密封。
7.
Requirement: Valve must be tight against reverse flow.
要求：这种阀门对于回流必须密封紧密。
8.
Backseat– machined bonnet stem bushing provides back-up stem seal.
(10) 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
9.
Backseat– machined bonnet backseat provides back-up stem seal.
(9) 后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
10.
Positive mechanical thrust drives plug into body seats to ensure tight bi-directional line seal.
积极的机械推力驱动阀塞进入阀体阀座馁，确保紧密双向管路密封。
11.
Backseat ? machined bonnet stem bushing provides back-up stem seal.
后座-经过精密加工的阀盖阀杆衬套实现后座阀杆密封。
12.
Fluid control one-way valve used cone disc, sealed a good performance.
液控单向阀采用锥形阀芯，因此密封性能好。
13.
An O-ring seals the relief valve body to the main housing.
用一个O形环密封安全阀阀体与主外壳。
14.
Temperature range limited by seat material
温度范围受到阀座密封材料的限制
15.
Seat hardfaced with SS410 and seal welded.
配置410不锈钢和密封焊接的阀座硬面。
16.
Seat ring is seal welded to eliminate leak path.
阀座环通过密封焊接，消除泄漏通道。
17.
Replace the cylinder outlet seal and valve cap.
替换钢瓶排气口密封和阀门帽。
18.
Experimental investigation of control valves for flush ofmechanical seals.
机械密封冲洗用限流阀性能试验研究