3 inch Wafer Check Valve
3 inch Wafer Check Valve is a compact, lightweight one-way flow control valve designed for reliable backflow prevention in pipeline systems. It features a wafer-style structure for easy installation between flanges, stable sealing, and low pressure loss.
With durable construction, corrosion resistance, quick response, and long service life, this valve provides stable performance, reduces maintenance, and ensures smooth operation for various industrial piping applications.
Wafer check valves are divided into double flap and single flap, today we will introduce you to the double flap check valve. Our new product is for the traditional use of the valve has a larger volume, the valve closes when the water hammer pressure is higher, the installation size is large and other issues.
This new product has a short structural length, small size, light weight, fast valve closure, low water hammer pressure, easy to install, sensitive action, good sealing performance, short valve stroke, the overall structure of a simple and compact and so on. It is composed of valve body, valve flap, valve stem and spring and other parts. The valve flap is two semicircles, and the spring reset, the sealing surface can be the body surfacing material or rubber lining, the use of clamping type connection, compact structure. Due to the short closing stroke of the valve flap and spring loading, the closing speed is fast, which can reduce the phenomenon of water hammer It can be installed horizontally or vertically, and it can be applied to a variety of fluid media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media, etc. It is mainly used in petrochemical, metallurgy, metallurgical and other industries. Mainly used in petrochemical, metallurgy, electric power, light industry, food and other industries.
Design Feature
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1 |
Short structure length, its structure length is only 1/4～1/8 of the traditional flange check valve |
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2 |
small size, light weight, its weight is only 1/4 ~ 1/20 of the traditional flange check valve |
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3 |
the valve flap closes quickly, water hammer pressure is small |
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4 |
Horizontal or vertical pipeline can be used, easy to install |
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5 |
smooth flow path, low fluid resistance |
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6 |
sensitive action, good sealing performance |
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7 |
the valve flap stroke is short, the impact of closing the valve is small |
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8 |
the overall structure, simple and compact, beautiful modeling |
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9 |
the use of a long time. |
Specifitions
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Nominal diameter |
DN(mm) |
DN50~DN1200 |
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Nominal pressure |
PN(MPa) |
1.0MPa |
1.6MPa |
2.5MPa |
4.0MPa |
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test pressure |
Strength test |
1.5MPa |
2.4MPa |
3.75MPa |
6.0MPa |
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Sealing test |
1.1MPa |
1.76MPa |
2.75MPa |
4.4MPa |
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Applicable medium |
Water, steam, oil, sewage, acids and alkalis |
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Applicable temperature |
Rubber sealing surface(X)-20℃~120℃ |
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