Flange Type Swing Check Valve

Product Introduction:

Check valve refers to a valve whose opening and closing parts are circular discs and rely on its own weight and medium pressure to generate actions to block the back flow of the medium. It is an automatic valve, also known as check valve, one-way valve, return valve or isolation valve. The movement of the disc is divided into lift type and swing type.

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Description

Technical Parameters

The valve that opens or closes on its own by the force of the flow of the medium to prevent the medium from flowing back is called a check valve. Check valves belong to the category of automatic valves, which are mainly used in pipelines where the medium flows in one direction, and only allow the medium to flow in one direction to prevent accidents.

Structure classification

According to the structure, it can be divided into three types: lift check valve, swing check valve and butterfly check valve:

1. Lift check valves are divided into two types: vertical and horizontal.

2. The swing check valve is divided into three types: single valve, double valve and multi valve.

3. The butterfly check valve is a straight-through type.

The above check valves can be divided into four types in connection form: threaded connection, flange connection, welding connection and wafer connection.

Model Number	Inch	mm	Connection	Valve Type	Working Pressure	Color
H41X-16Q-50	2	50	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-65	2.5	65	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-80	3	80	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-100	4	100	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-125	5	125	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-150	6	150	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-200	8	200	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-250	10	250	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-300	12	300	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-350	14	350	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue
H41X-16Q-400	16	400	Flange End	Flexible Disc	1.0/1.6Mpa	Red/Blue

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1) Flange End:ANSI150LB/BS5404;

2) Screw Material:SS304 Stainless Steel;

3) Gasket Material:DUCTILE IRON;

4) Body Material:Ductile Iron,QT450;

5) Disc Material:Ductile Iron,QT450,COVERD BY NBR;

6) Surface Finishing:Epoxy Red or Blue.