Dual Plate Check Valve

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‍Packaging & Delivery of Dual Plate Check Valve

Packaging Details: Standard Plywood Box
Delivery Detail: within 35days


Specifications of Cast Iron Check Valve Wafer Type 


Size from 2" to 48" 

Face to Face:According to ISO Standard 

Flange:Sccording to ANSI/BS/DIN/JIS 

Nominal Pressure:PN10/PN16,125LB/150LB 

Valve Body:Cast Iron 

Disc:Ductile Iron,Stainless Steel,Brass,Bronze Seat:NBR,EPDM Stem:Stainless Steel 


Technical Data of Cast Iron Check Valve Wafer Type 

Size: DN10-DN3000

Power station valve, double-eccentric semi-ball valve, satefy valve, gate valve, check valve, no return valve, butterfly valve, etc.

Nominal Pressure: PN10/PN16  Test Pressure:1.0Mpa-50.0Mpa Sealing: PN11/PN17.6 Shell: PN15/PN24

Working Temperature: -15~ -250

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Q:What's the W in the check valve H44W?
First, the meaning of "W" in check valve H44W:The H44W in the check valve W represents the seat of the check valve, and the sealing surface or lining material is the body sealTwo, check valve H44W model significanceLetter H: stands for check valveFirst number 4: the driving mode is the positive gearSecond numbers 4: the connection form is the flange
Q:Can the flue check valve and kitchen check valve protect against odor?
Not really. It depends on what valve it is. If it is a variable pressure air valve, of course, if it is an ordinary other valves, generally only temporary role. Five residential home kitchen platoon smoke system is the application of this variable pressure air valve.
Q:What about boiler non-return valve without return?
First, overhaul, and two is to replace the valve, the other way
Q:Why is the water ring vacuum pump equipped with check valves?
The check valve is a one-way valve, the instantaneous vacuum of the stopping pump is higher than the pump cavity, and the gas enters the pump cavity from the exhaust port, and the water pressure is connected to the vacuum pipeline, and the function of the check valve is to prevent water from entering the pipeline
Q:What does "H" for H42W check valves mean?
H: Valve code, is the check valve code, 4: connection mode is flange connection; 2: valve form is vertical lift; W: sealed form, on behalf of the body of the sealing surface
Q:Classification of check valves
Check valve (One-way valve): check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline. Pump water off the bottom valve check valve also belongs to class.The opening and closing parts depend on the flow of the medium and the power is turned on or off by itself. The valve that prevents the backflow of the medium is called a check valve.
Q:Does the regulator have a check action? If yes, can I use it as a check valve?
No, it can only be used for regulating pressure. It can not replace the check valve.
Q:Installation position of household water meter check valve
Domestic water meter without the need to install check valve.
Q:How many kinds of structure are there in the check valve?
2. The swing check valve rotates around the shaft. Its fluid resistance is generally smaller than the lift check valve, it applies to larger caliber occasions. According to the number of valves can be divided into single swing type, double valve swing and multi valve swing type of three. Single swing check valves are generally applicable to medium calibre applications. Large diameter pipeline using single swing check valve, in order to reduce water hammer pressure, it is best to use water hammer to reduce the pressure of the slow closing check valve. Double check valves are suitable for large and medium diameter pipelines. Double check swing check valve with small structure and light weight is a kind of fast developing check valve. Multi valve check valve is suitable for large caliber pipeline;
Q:Check valve h42h-dn80 what does that mean?
According to the provisions of the JB/T 308-2004 valve type programming method:H = check valve4 = connection: flange2 = structure form: vertical lifting typeH = sealing surface material: Cr13 stainless steelDN80== nominal diameter: 80mm
Our products are in accordance with different standards, such as API, DIN, JIS, BS, and GB, as well as non-standards. We also provide OEM products according to client requirements. Our products are widely used in oil refinery, petroleum, chemical plant, power station, natural gas, and civil industry. We have obtained ISO9001 International Quality Management System Certificate.

1. Manufacturer Overview

Location Jiangsu,China
Year Established 2001
Annual Output Value US$10 Million - US$50 Million
Main Markets North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
Company Certifications ISO9001

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Language Spoken: English
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No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered
Product Price Range High and/or Average