1.
Remove check valve and valve seal from booster.
从倍力器上卸去逆止阀和阀门密封。
2.
New Stainless Steel Heap Welding Technique for Main Steam Valve Sealing Suface
主蒸汽阀门密封面不锈钢堆焊新工艺
3.
Study on Wear Resistance of the Electrodes of Cr13 Alloy System for Valve Sealing Surface;
Cr13系阀门密封面堆焊焊条耐磨性的研究
4.
Before installation should completed clean inner of the pipeline, particles or sundries are not allowed to be contained in the medium to avoid the damage of valve sealing surface.
阀门安装前请将管路彻底清洗干净，介质中不能含有颗粒或杂物。以免损伤阀门密封面。
5.
In the second part, the preliminary experience of plasma powder overlaying work with valve sealing surface is introduced.
第二部份介绍阀门密封面等离子粉末堆焊工作的初步经验。
6.
Requirement: Valve must be tight against reverse flow.
要求：这种阀门对于回流必须密封紧密。
7.
Replace the cylinder outlet seal and valve cap.
替换钢瓶排气口密封和阀门帽。
8.
Requirements: Valve must be tight against reverse flow under all pressure differentials.
要求：在所有压差下，阀门对于回流必须密封紧密。
9.
Loosen the valve outlet seal slowly when preparing to connect a cylinder.
准备连接钢瓶时，慢慢地松开阀门排气口密封。
10.
Small open torque, seat almost without attrition and long serving life.
开启力矩小，密封副无摩擦转动，阀门使用寿命长。
11.
The metal diaphragms act as the seal at the top of the valve. The primary improvement in this generation of valves is the elimination of the spring used to open the valve.
金属横膈膜在阀门的顶部作为密封。这一代阀门的主要的改进是取消了用于开启阀门的弹簧。
12.
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。
13.
weatherstripping,thresholds & seals
密封条，门槛及密封胶
14.
The resiliency of the seal allows the valve body and disc to contract or expand, without the risk of jamming due to temperature fluctuations.
密封的弹性使得阀门阀体和阀瓣能够接触或扩张，避免了由于温度波动而产生堵塞的危险。
15.
bellows sealed gate valve
波纹管密封的闸板阀
16.
bellows seal bonnet
波纹管密封型上阀盖
17.
When returning cylinders to the supplier, properly close the cylinder valve, replace and secure any valve outlet seals, and properly install the cylinder cap.
钢瓶返还给供应商时，正确关闭钢瓶阀门，替换并固定阀门排气口密封，正确安装钢瓶帽。
18.
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