进口立式止回阀

进口立式止回阀

品牌:美国威盾VTON

Brand:VTON

产品系列:止回阀

Product series:Check valve

压力范围:0-100Mpa

Pressurerange:

口径范围:DN3-1000

Caliber range:

减压范围:高压，常压，低压，微压

Repulating range:High pressure, normal pressure, low pressure, micro pressure

阀体材质:铸钢，不锈钢304、316等

Body material:Cast steel,stainless steel304.316.etc

结构形式:旋启式，升降升，单瓣对夹式，蝶形对夹式等

Structure type:Swing type, lifting type, single-flap clamping type, butterfly clamping type, etc

使用介质:水、油、蒸汽、燃气、空气、氢气、氮气等气体，以及各种腐蚀性流体

Using media:Water, oil, steam, gas, air, hydrogen, nitrogen, gases, and various corrosive fluids

主要特征:防止倒流，反向密封性能好，关闭静音，满足各种压力，温度，介质

Main features:Prevent backflow, good reverse sealing performance, silent closing, sui for various pressures, temperatures, and media

产品介绍

一、进口立式止回阀概述

进口立式止回阀Vertical lift check valve，是指根据弹簧受力而推动阀门开启和关闭而实现介质的流体和防止倒流的止回阀；阀门常闭，由于管线中进口端介质的压力作用，而克服弹簧阻力使阀门开启。当进口端介质压力低于出口端时，弹簧将阀芯推向阀座而使阀门关闭，阻止介质逆流，故起止回作用。立式止回阀由于采用弹簧支撑阀芯，故采用立式安装或卧式装均可。

美国威盾VTON立式止回阀主要产品有：不锈钢立式止回阀，铸钢立式止回阀，立式法兰止回阀，碳钢立式止回阀，立式升降式止回阀，立式弹簧止回阀。广泛应用于水、气、油、化工、冶炼、能源、造船、电力、石油、水处理、建筑等各行业。

Vertical lift check valve refers to a check valve that drives the valve to open and close according to the force of the spring, achieving fluid flow and preventing backflow of the medium; The valve is usually closed, but due to the pressure of the medium at the inlet end of the pipeline, it overcomes the resistance of the spring and opens the valve. When the pressure of the medium at the inlet end is lower than that at the outlet end, the spring pushes the valve core towards the valve seat, causing the valve to close and preventing the medium from flowing back, thus playing a check function. Vertical check valves can be installed vertically or horizontally due to the use of spring supported valve cores.

The main products of Weidun VTON vertical check valves in the United States include: stainless steel vertical check valves, cast steel vertical check valves, vertical flange check valves, carbon steel vertical check valves, vertical lift check valves, and vertical spring check valves. Widely used in various industries such as water, gas, oil, chemical, smelting, energy, shipbuilding, electricity, petroleum, water treatment, construction, etc.

二、进口立式止回阀产品参数

1、口径：DN15-500，1/4-20寸

2、压力：PN0.6-PN320；Class150LB-2500LB；JIS10K-20K

3、温度：-196℃-550℃

4、阀体材质：铸铁，球铁，铸钢，不锈钢，铬钼钢

5、密封面：堆焊铬不锈钢、堆焊硬质合金、铬镍钛不锈钢

6、垫片：钢带石墨参缠绕、聚四氟乙烯

7、连接方式：法兰，螺纹、焊接

8、使用介质：水、蒸汽、油品等