Flange End Ball Check Valve

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Sets set

Supply Capability:: 5000 Sets Per Month set/month

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‍Packaging & Delivery of Flange End Ball Check Valve

Packaging Details: Inner packing: Plastic package Outer packing: Plywood case, and other packing details as customer's request

Delivery Detail: Within 35 days after confirm of order(according order quantity)

Specifications of Flange End Ball Check Valve

1.Size:DN40-DN400

2.Certificate:ISO9001,CE

3.Gurantee:12months

4.Packing:Plywood cases

5.medium:water,petroleum product

Ball Check Valve

1.Materials list

Pos.	Description	Materials
1	Valve body	Cast Iron /Ductile iron
2	Valve cover	Cast Iron /Ductile iron
3	Ball	Aluminium + NBR
4	O.Ring	NBR
5	O.Ring	NBR
	Screw	Stainless steel A2
	Painting epoxy RAL 5017-200µm

2.Applications: Pumping stations for clean, sewage water and loaded or viscous fluids

3.Material Body: Cast Iron GG25, Ductile Iron GGG40, Ball: Steel+NBR/EPDM

4.Technical Data

Threaded ends from DN25-DN80

Flanged ends from DN40-DN400

Q:The working principle of the vacuum check valve: A vacuum check valve is a valve that automatically prevents fluid from flowing back. The disc of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side. When the inlet side pressure is lower than the exit side, the valve automatically closes under the influence of fluid pressure, gravity and other factors to prevent fluid flow backwards.Vacuum check valve according to the structure, can be divided into lifting check valve, swing check valve and butterfly check valve three.

Q:The difference between swing check valve and lift check valve: Standard light valve professionals answer the difference between the lift check valve and the swing check valve:Lift check valves: check valves slide along the vertical centerline of the valve. The lift check valves can only be installed on the horizontal pipe.

Q:What is the difference between the H44H check valve and the H41 check valve?: Swing check valve H44HLift check valve H41HThe installation of check valves (Check, Valve) shall pay attention to the following items1. Do not allow the check valve to bear weight in the line.

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 is the HH44X-16 H of the double acting slow closing check valve? Can you explain it in detail?: The first H is the meaning of the check valve (the first letter of the Chinese phonetic alphabet). The second H should be the meaning of "slow closing" (the first letter of the Chinese phonetic alphabet).

Q:Furnace blower outlet check valve what: Must install check valve to prevent downtime fan reversal

Q:How much is the 6 point check valve for the water pipe at home?: 1, home hose with 6 points of the water pipe, check valve, copper 20-40 yuan.2, check valve refers 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 valve. The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.

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: 1. Do you have ink in the ink cartridge? If not, you can't hit it;2, the ink box installation is in place, let the printer self check to see whether the instructions are normal;3, everything is normal, "maintenance" in the print head, not, deep cleaning;Generally normal, no, that might be a cup, change cartridgesIn addition, the check valve must be opened when printing, the cartridge is not placed high, and so on after processing

Q:What is the function of the stop valve and check valve installed on the water supply pipe?: The cut-off valve is a common valves, can also be used for throttling, mainly used to connect or disconnect the line of medium, generally not for regulating flows.

Q:What can I do with the lift check valve?: With the structure of short length, small volume and light weight, the valve closed fast, water hammer pressure, flow smooth, fluid resistance small, horizontal or vertical pipe pipe can be used, easy installation, quick action, good sealing performance, the valve stroke is short, close the valve impact force is small, simple and compact, beautiful appearance, service life long, high reliability, to prevent the media back, the characteristics of automatic control. A lift check valve is used on an industrial pipe to prevent the flow of a medium.

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