Dual Plate Check Valve

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 100 Pieces pc

Supply Capability:: 80000 Tons Per Year pc/month

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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

Certificate:CE,API,ISO9000,ISO14001,KS,GOST

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

Q:Can the exhaust air outside the wall be fitted without a check valve?: What you are talking about is the backflow blower of the exhaust fan. This is usually installed. It is a method of preventing the air stream from returning under the condition that the fan stops running. If your fan is only a common wall exhaust, you can not install it, but if it is a discharge of air pollution or dilution of dangerous air flow, then advise you to install it as well.

Q:God, can you explain to me in detail why?: Pump outlet, check valve, gate valve.Gate valve plays a regulatory role, is the main pipe. Such a sequence can ensure that the water flow during power failure does not cause damage to the gate valve.

Q:What's the W in the check valve H44W?: W represents the sealing surface is the body seal, that is, directly from the valve body out of the sealing surface

Q:The check valve on the air pipe is installed in front of the fan and is there any difference in the back (direction is correct)?: Yes。Installed in front of the wind blowing, the top open check valveIt is difficult to install the check valve, which is installed on the rear by the force of air suction.

Q:Is the check valve and relief valve something?: Not the same thing!!! Installed on the water heater will not have too much money, less than 10 should be enough, but most of the water heaters are non - targets, may not be too good to match, you'd better go to a larger plumbing market

Q:What is the function of the check valve installed in the water meter before entering the residential water?: Generally installed after the water meter. The main reason: if the water point is higher than the water meter installation position, once the pipe network in the absence of water, the remaining water in the pipeline will flow in the direction of the water meter in turn. This will cause the water meter to reverse and cause damage to the water meter. A check valve is installed after the water meter, so that the situation can be avoided.The main function of the check valve is to prevent the backflow of the medium, prevent the reverse of the pump and drive motor, and release the container medium. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure.

Q:The check valve for the printer doesn't have any air in it, but it doesn't come out. It still doesn't work: Just change the CISS, change after dozens of photos. There is air in the pipe, the printing document is half a page, and then a check valve is installed. After it is finished, there is no air in the pipe, but it can not be played. The nozzle is not out of water any more. The ink in the ink box is full.When the check valve is installed, you can print the test paper color is correct, but the document is a piece of white paper. No more printing later. Say at least one cartridge problem. Where does the check valve open? No, there's a switchChasing the answerNot quite clear, you change the model, the general print cartridge does not leak, the ink box for the gas hole to open, hose without bubbles, you can print normally.

Q:Standard and specification for stop check valves: Design and manufacture: GB12235 structure length: GB12221Pressure temperature range: GB9131, JB/T74, HG20604Connection flange: JB/T79, GB9113, HG20592Test and test: JB/T9092, GB13927

Q:Why should the check pipe be added to the chilled water pipe of the air conditioning unit?: The air conditioning water chiller is usually installed in the basementNo check valve, pump start pressureThe current is likely to boil the pump when the building is high

Q:What does the number 16 on the check valve mean?: This is the pressure level of the valve, which represents 16Kg, which is used for piping pressure less than this pressure.

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 Africa Oceania Mid East Eastern Asia Western Europe
Company Certifications	ISO9001

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:	English
b)Factory Information
Factory Size:
No. of Production Lines	Above 10
Contract Manufacturing	OEM Service Offered
Product Price Range	High and/or Average