Ball Type Check Valve Ductile Iron

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 10 Pieces pc

Supply Capability:: 100000 Pieces Per Year pc/month

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Ball Type Check Valve Ductile Iron

*Good quality with reasonable price.

*Qick deliver time and enough store of valves.

*Many types to choose.

Ball Type Check Valve Ductile Iron GGG40 DIN Standard

Design Standard:

Face to Face DIN3352-F1

Flanged Ends BS EN1092-2

Main Parts and Materials

No. Parts Name Material

1 Valve Body/Bonnet Ductile Iron GGG40/GGG50

2 Plug Malleable Cast Iron

3 Ball sealer Carbon steel A3+NBR

4 Seal O-ring NBR

5 Hex bolt Carbon Steel Zinc Plated 45#

Specifications

flanged Swing Check Valve

size: 1/2"-42"

material: steel

Certification:ISO9001,ISO14001,API609,CE0036

Guarantee: 18months

Q:Does the check valve differ in front of the water meter and press it behind the water meter?: Try to press the front of the water meter, and the distance from the meter is 15 times of the water gauge (15 15*15=225 mm). On the one hand to prevent reflux, on the one hand placed bubble deposition.

Q:What happens when the check valve is broken?: Check valve is broken, there will be back water, down pressure, serious will produce pump reversal, burning motor

Q:What is the function of the ventilator's check valve?: When the soot exhauster stops working, the one-way valve plate is automatically closed under the action of gravity, and the fume passage is isolated from the common flueThe smoke in the flue doesn't flow back in.

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 are the types of check valves?: The check valve is divided into three kinds: lift check valve, swing check valve and butterfly check valve:1. lift check valve is divided into two types of vertical and horizontal.2. swing check valve is divided into single, double flap and multi flap type of three.3. butterfly check valve is straight through type.The above types of check valves can be classified into thread connection, flange connection, welding connection and clamp connection in connection forms of four kinds.Texture of material1. cast iron check valve2. brass check valve3. stainless steel check valve4. carbon steel check valve

Q:What is the function of the stop valve and check valve installed on the water supply pipe?: globe valves for a wide range of pressure and temperature, but are generally used for medium and small diameter pipes. The home tap water valve should be designed as most of the valve.Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent media backflow valve, also known as check valve, one-way valve, counter flow valve, and back pressure valve.

Q:Is the check valve behind or behind the gate valve? Why?: Thank youPlease install it in frontWhat about the front?

Q:What is the difference between the check valve and the check valve?: The same thing is the flue check valve. We need to contact the manufacturer

Q:The air pipe is equipped with a check valve: The weight of the valve or the gravity of gravity to maintain the valve in the open state of balance, the principle of the same, are heavy torque control of the door opening and closing. Inside and outside the air pressure to destroy the balance, automatic door opening and closing control. An example of simply closing a valve plate by gravity, as in a vertical check valve (Dan Liufa) in a water supply pipe.

Q:Check valve is 150, why not put 150 of the smoke pipe?: DN150 check valve, it is possible that the internal path is less than the required value of 5mm-10mm. Therefore, the 150 outer diameter of the smoke pipe is not up.

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