Wafer Type Dual Plate Check Valves System 1

Wafer Type Dual Plate Check Valves

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 set

Supply Capability:: 5000pcs/month set/month

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Wafer Type Dual Plate Check Valve

Specification of Water Check Valve:

We manufacture top quality Wafer Type Dual Plate Check Valve made from cast iron, cast steel and stainless steel. Wafer Type Dual Plate Check Valves offered by us can be availed in various types like dual plate; single disc type and non slam check valves to meet the different requirements of the customers. We are identified as one of the celebrated Wafer Check Valves Suppliers in China.

Wafer body style fits between FF or RF flanges
Upper and lower PTFE thrust washers
Dual plate Valves give maximum strength with minimum opening time
Torsion springs assist Valve closure, preventing flow reversal
Thrust washer reduce friction and wear of Valve plate hinges

Features of Wafer Check Valve :

1. Small and light, tightly sealed. Less expensive than swing check valve.

2. Two torsion springs are used exerting on each of the pair valve plate, which close the plate quickly and automaticlly

3. The quick-close action prevents the medium from flowing back and eliminates water hammer effectively.

4. Can be installed both horizontal and vertical on pipeline

5. Safe and reliable in operation, high interference-resistance.

Materials of Water Check Valve:

Specifications
Size	DN50-DN700
Design standard	API609
End flange	DIN/ANSI/BS/JIS
Face to falce	ISO5752
Main Parts and Materials
Body	CI/DI/WCB/SS
Disc	DI/ALB/WCB/SS
Stem	SS304/SS316/SS420
Seat	EPDM/BUNA/NBR/PTFE/HYPALON/VITON/NEOPRENE
Spring	SS304/SS316
Applications
Temperature	-15°C~150°C
Medium	Water/gas/Oil

Packing of Wafer Check Valve:

Wooden boxes

Delivery Date of Water Check Valve:

50 days

Check Valve Check Valve Package

Check Valve Factory

Q:Check valve H15B-16 DN25 is that product?: Screw swing multi valve check - nominal pressure 1.6Mpa, product caliber 25mmOur company has production!

Q:Are the gate valves and check valves of the same type?: Not the same gate valve, it is a kind of opening and closing function (i.e. switch) of the valve, it is on the gate lifting and play the role of the switch, the switch is to be applied by external force (hand wheel, electric, pneumatic and hydraulic) it is not required to;

Q:How to control the common flue return and smoke return?: In the decoration practice, in order to smoke more smoothly, often install lampblack machine, workers will tear down the developer of the check valve. Even then, there will be no recharge.If you check the check valve is no problem, then only the design of the flue, the smoke does not flow smoothly to the outlet. It is not the problem of lampblack machine.

Q:The working principle and structure description of the mute check valve: When the valve is in use, the medium flows according to the direction of the arrow.1, when the medium according to the provisions of the direction of flow, the valve by the media force, is open; the medium back, due to weight and disc valve by the medium reverse force, so that the sealing surface of the valve flap and valve seat sealing and closed, to prevent the media counter to.2, the body and valve sealing surface using stainless steel surfacing.3, the length of the valve according to the provisions of GB12221-1989, flange connection size according to the provisions of JB/T79-1994.

Q:How to install the kitchen flue check valve?: 1, vertical transport, the flue should take protective measures, and must be two lifting.2. Locate the center line of the flue position. In the reserved hole, draw down four vertical central lines from the roof, and draw 2 orthogonal central lines on the floor plane.3, the flue to the scene, the first flue hanging to the roof, surrounded by the center line of pop in the flue, and the flue of the reserved hole slowly down the electric hoist, from top to bottom layer installed flue in place, the center line correction. The center line of the flue and the center line of the reserved hole should be less than 1cm, the deviation of the centerline of the upper and lower flue is not greater than 1cm, and each flue must be guaranteed vertically and vertically.4, the installation of flue should each layer as bearing, bearing steel 2 root diameter over 14mm?.5. After the flue is installed, install the check valve hole at each flueFire type flue check valveFirst, stir the cement with a special glue, coat the edges of the check valve, and then install it at the opening of the check valve.6, the construction should be reserved at all levels of the hole, covered with a cover plate, to ensure safety in construction, to prevent construction waste fall into the flue.7, the flue is thin-walled components, in handling and installation should be gently handle, not to impact, not in the pipeline to pile other heavy objects and walking.8, the roof flue should be in the roof insulation layer, fire layer before construction. 9, the use of gas water heater exhaust system is strictly prohibited.

Q:How does the check valve work?: Check valve refers to rely on the flow of the media itself and automatically open and close the valve flap, used to prevent the media back flow valve, also known as check valve, Dan Xiangfa, 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. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure. The check valve can be mainly divided into swing check valve (rotating by gravity center) and lift check valve (moving along the axis).The function of this type of valve is to allow the medium to flow in one direction and to prevent 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.Among them, the check valve belongs to this type of valve, which includes swing check valve and lift check valve. The swing check valve has a hinge mechanism and a gate like valve free against the inclined seat surface.

Q:The difference between the micro and slow closing check valve and the silent check valve: Noise 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, noise check valve, reverse 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. The check valve can also be used to provide a supply to the auxiliary system where the pressure may rise above the system pressure. The check valve can be mainly divided into swing check valve (rotating by gravity center) and lift check valve (moving along the axis).

Q:Installation of stainless steel tank outlet must be equipped with check valve?: A stainless steel ball valve can also ah, inner thread

Q:What is the function of the check valve?: To prevent water flow is generally in the lower position, to prevent the above valve is not closed, the water back into the flow

Q:Can the check valves fit two in one tube? One up, the other down: A water pipe is used for launching, and the two check valves that you install are reverse, and the water is blocked by one of the check valves on either side

SUPERB VALVE, With good quality, our products have got favorable comment of domestic and international customers. And the good situation of demand over supply has also been formed. has five hundred stuff members, one hundred and fifty technicians and the fixed assets of 31 million Yuan. With one scientific research organ, ten sections, four workshops and three hundred and eighty sets of all kinds of equipments, it can produce 10,000 tons of products per year,70% exports a product. Show specialized production German,British,Japan and Chinese standard be hit by low pressure series valve.

1. Manufacturer Overview
Location	Shangdong, China
Year Established	1968
Annual Output Value	Above US$ 5 Million
Main Markets	Korea, America, Italy, Germany, Singapore, Canada and Koweit.
Company Certifications	ISO 9001:2008；

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

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin, Qingdao
Export Percentage	70%
No.of Employees in Trade Department	500 People
Language Spoken:	English; Chinese; Spain; Alabic
b)Factory Information
Factory Size:	Above 80,000 square meters
No. of Production Lines	Above 6
Contract Manufacturing	OEM Service Offered; Design Service Offered
Product Price Range	Average