Wafer Type Double Door Butterfly Check Valve

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Pieces pc

Supply Capability:: 50000 Pieces Per Month pc/month

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‍Packaging & Delivery of Double Disc Wafer Swing Check Valve

Packaging Details: Veneer board boxes
Delivery Detail: Within 35 days after confirm of order(according order quantity)

Specifications of Double Disc Wafer Swing Check Valve

1. Size: DN50-DN600

2. pressure: PN16, CL125/150

3. Seal: NBR / EPDM

4.CI,DI,SS Body

Technical specificatiion:

1)valve Design and production according to ASMEB16.34,BS1873 and GB/T12235;

2)The sizes of flange ends according to ASME B16.5,GB/T9113 and HG20596 (or specified by customers);

3)Inspecting standard: API598, JB/9092

4)valve Material: WCB,Stainless steel,carbon steel etc

Q: Butterfly micro stop type check valve HH46XP-10Q, what does the letter mean?: Do not know what you say is the manufacturer of valves, in general, many models are manufacturers themselves according to the specifications of their products set.

Q: What is the difference between check and check valves? Check and check valves?: Check valve. Check valve is the same, but the name is not the same. According to the customary name of the country. In fact, the same valve. Are check valvesCheck valves are widely used and there are many kinds of check valves. The following are common water supply and heat check valves:1, spring: the liquid from the bottom up, rely on the pressure spring controlled valve, the pressure disappears, the spring force the valve, sealing liquid backflow. Often used in the smaller diameter check valve.

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: The role of the clip lift check valve: It only allows the medium to flow in one direction and prevent the flow in the opposite direction. Usually the valve is automatically work, fluid pressure flow in one direction, the valve open; the opposite direction of fluid flow by gravity, fluid pressure and valve closing effect on the valve seat, thereby cutting off flow. Check valves are generally applicable to clean media and are not suitable for media containing solids and viscosity.

Q: Circulating water check valve, I want to ask is not greater than DN600, you can use HBH747H hydraulic butterfly valve closed butterfly valve, less than DN600 of HD43X slow butterfly butterfly check valve, what does hydraulic check mean? Need hydraulic?: If it is water medium butterfly valve, in fact, the same, are used to prevent the media back of the valve, on the models are manufacturers themselves, there is no uniform standard, but only in the use of media on the difference.Butterfly buffer check valve is to rely on the flow of the media itself and automatically open and close the valve, used to prevent the media back of the valve, also known as check valve, one-way valve, counter flow valve, and back pressure valveMicro resistance slow closing check valve, also known as check valve, its role is to prevent the medium back flow in the pipeline.

Q: Are the common check valves stand upright or horizontally installed?: 1 straight through lift check valve should be installed in horizontal pipe, when the media to stop the flow, the valve by the weight of landing on the seat to prevent the media back; because the vertical lift check valve medium inlet and outlet channel direction and the direction of the valve seat, so it must be installed in a vertical pipe.

Q: What does the H/F/P stand for in the check valve H41H/H41F/H41P?: Respectively, the valve seat sealing surface is made of alloy / fluorine plastic / stainless steel.

Q: What does the check valve "H41F" mean?: According to the provisions of the JB/T 308-2004 valve type programming method:H== check valve4== connection: flange type1== structure form: lifting typeF== sealing surface material: fluorine plastic

Q: Is the flue check valve the same as the flue check valve? What's the difference?: The same thing, different expressions, that is, in order to prevent channeling smoke smell of Dongdong

Q: What is the difference between globe and check valves?: 1. check valve is called one-way valve, the role is to prevent fluid flow, can not be adjusted, can not be closed.2., the cut-off valve can be used to regulate flow, can be closed, can be closed.

We mainly produce various check valves (for example,single disc swing check valve,double disc swing check valve,ball check valve,lift check valve, butterfly valves,diaphragm valves ,ball valves and so on). Our products are widely used in municipal water and wastewater ,oil,chemical, food and other fields.Our entire valves are designed and manufactured according to ANSI (ASME), DIN, BS, JIS and other standard. Also, we ensure the best quality for customers, and our strict quality assurances systems are conducted throughout the entire production at the standard of ISO9001:2008 and CE.

1. Manufacturer Overview

Location	Shandong,China (Mainland)
Year Established	2002
Annual Output Value	US$2.5 Million - US$5 Million
Main Markets	40.00% Western Europe 10.00% Mid East 10.00% Southeast Asia 10.00% Africa 10.00% Eastern Asia 5.00% South America 5.00% Eastern Europe 5.00% Northern Europe 2.00% North America
Company Certifications	ISOT19001:2000;CE

2. Manufacturer Certificates

a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability

a) Trade Capacity
Nearest Port	QingDao
Export Percentage	91% - 100%
No.of Employees in Trade Department	3-5 People
Language Spoken:	English, Chinese
b) Factory Information
Factory Size:	10,000-30,000 square meters
No. of Production Lines	9
Contract Manufacturing	OEM Service Offered Design Service Offered
Product Price Range	Average