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: Can the swing check valve stand upright?: Ordinary lift check valves shall not be erected. Lift check valves with springs can also be mounted.

Q: The working principle and structure description of the mute check valve: Slow closing check valve and check valve or check valve, its role is to prevent the media back in the pipeline, its working principle is as follows: first, the role of principle: moving through the cylinder plug on the valve flap, assist the rapid opening and closing to the sealing surface two, structure 1 structural forms: swing type 2 single disc drive mode: 3 butt welding connection: open and closed by a pneumatic device to control the butt welding of the 4 valves, speeding up the valve opening and closing speed.

Q: Check valve can not stop water, how to solve?: See if there is anything dirty inside! See if the valve is broken!

Q: Can the check valve be used on the steam pipe?: The check valve can be used on the steam pipe, but only the right material.General steam pressure WCB, temperature and pressure with the then high chromium molybdenum steel. The inside of the valve should be taken into account, depending on the pressure difference.

Q: God, can you explain to me in detail why?: Check valve in the valve in front. To prevent water from flowing back.

Q: What are the features of axial check valves?: Axial flow check valve (GB/T 21387-2008) by the standardization of the national valve technical committee (SAC/TC 188). The drafting unit: Shanghai Huatong Valve Co., Ltd., Ningbo aimeike copper valve valve Co. Ltd. Shanghai zhengfeng. Main drafters: Zhang Yonghui, Liu Tienan, Zheng Xuezhen, Chen Tiewang, Meng Aimin. By the national standardization valve technical committee is responsible for the interpretation.TitleAxial flow check valveAuthorState Administration of quality supervision, inspection and Quarantine of the People's Republic of China, China National Standardization AdministrationPublication dateMay 1, 2008LanguagesSimplified ChineseISBNOne hundred and fifty-five billion sixty-six million one hundred and thirty-one thousand two hundred and fiftyForeign nameAxial Flow Check ValvePressChina Standard PressThe number of pagesPage 6FolioSixteenBrandBeijing Jinsong Jian Da Science and technology books Co., Ltd.Axial check valve (GB/T 21387-2008) was published by China standard press.

Q: In the water supply system, water pump and water pump without check valve, a water output to another without pump water pump, effect of rotation, it will cause what kind of damage to the pump?: The main function of the check valve is to prevent water hammer, and the impact of water hammer on the drainage system is fatal.

Q: With no negative pressure water supply, the pump is equipped with a check valve, the construction ring network also needs to install check valve?: With no negative pressure water supply, the pump is equipped with a check valve, the construction ring network also needs to install a check valve, or else the water pump may enter the ring network.

Q: Installation position of household water meter check valve: It should be about 15 times before the table, about 300mm DN20.

Q: What does the swing check valve "h44h-16" mean?: H44h-16 is the type of swing check valve, respectively: H check valve, 4 flange, 4 swing type H alloy steel, sealing 16 kg pressure

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