medium pressure valve

Development of φ508 mm medium pressure ball valve.;

508mm(20英寸)通径中压球阀的试制

HKV mainly produces API forged and cast steel valves, Chinese standards high-medium pressure valves, forged flanges as well as piping assessories.

华凯阀业主要生产API标准锻钢及铸钢阀门、国标高中压阀门、锻钢法兰及管道附件等。

Several different types of valves are in use. Some are back pressure valves.

有几种不同的阀在使用中，有些是反向压力阀。

Study on Thermal Fatigue Damage of the Valve on the Intermediate-pressure Section of Steam Turbine in Power Plants

火电站中压主汽阀阀壳热疲劳损伤研究

Check valves or as a one-way valve. For the hydraulic system to prevent reverse flow of oil flow.

单向阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动。

The seat is pressed into the body cavity and can be removed by inserting a finger in the center of the seat and pulling outwards.

阀座压在阀腔内，可以用手指插入阀座中心往外拉将其拆卸。

pressure controlled valve

压力调节阀压力控制阀

The principles, features of elastic pressure-reducing valve proportional pressure-reducing valve and regulative proportional pressure-reducing valve which are used in high-rise building water system are discussed.

论述了弹簧式减压阀，比例式减压阀与可调比例式减压阀的原理、点及其在高层建筑中的应用。

Pressure Reliet Valve

放压阀（俗名试压）

Flat seating faces for low and medium pressures.

适用于中低压力的平面阀座表面。

Analysis of Low Cyclic Fatigue Life of the Valves on the Secondary Unit of Steam Turbine;

汽轮机中压主汽阀低周疲劳寿命分析

Check valve applied in descreasing water hammer pressure when the pump stops;

止回阀在减小停泵水锤压力中的应用

Application of Finite Element Analysis on the Valve Block Design

有限元分析在液压阀块设计中的应用

The Numerical Research on Control Characteristics of Closing Valve in Pressure Pipeline

有压管路中阀门关闭特性的数值研究

pressure-gradient control valve

压差控制阀（优先阀）

discharge from safety and relief valves

由安全阀和泄压阀泄放

One valve is the pressure-relief valve, which prevents pressure in the tank from rising too high.

一个是减压阀，以防止油箱中的压力过高。

Computer Aided Graphical Method on Designing Parameters of Pressure-relief Valve Spring in Speed Regulating Valve

获取调速阀中减压阀弹簧设计参数的计算机辅助图解法

Remove the relief valve cover bolts while holding the cover down.

边压住阀盖，边拆卸安全阀阀盖螺栓。