Wafer Check Valve

Your Professional Wafer Check Valve Supplier

TIANJIN XTD VALVE CO., LTD. is a professional manufacturer of various valves, including butterfly valves, gate valves, filters, ball valves, globe valves, and more.

Unlike ordinary valve manufacturers, XTD VALVE owns its own rubber factory and valve stem processing facility, allowing for greater control over quality and production efficiency.

Ductile Iron Body and Disc Wafer Type Check Valve
The Ductile Iron Body-Ductile Iron Disc Wafer Check Valve is designed for low-to-medium pressure fluid systems. Featuring GGG50 ductile iron construction and dual-disc design, it utilizes flow energy
Stainless Steel Hard-Seal Wafer Check Valve
Engineered for harsh industrial applications, the stainless steel metal-seated wafer check valve employs hard sealing technology to prevent backflow with unmatched reliability. The tilting disc opens
CS Wafer Check Valve
Engineered for high-wear industrial applications, this valve integrates WCB cast steel robustness with ductile iron's impact resistance. Precision-cast WCB body enhances pressure capacity by 60%,
Carbon Steel Fully Lined EPDM Wafer Check Valve
Engineered for aggressive media, this valve isolates metal from fluids via a seamless EPDM lining. The EPDM-coated disc opens under forward flow and closes elastically against backflow, ensuring zero
304SS Disc Wafer Check Valve
The Ductile Iron Body-CF8 304 Disc Wafer Check Valve combines corrosion resistance and cost efficiency. Featuring a GGG50 ductile iron body and CF8 304 stainless steel disc (ASTM A351), its
Bronze Disc Wafer Check Valve
The Ductile Iron Body-Brass Disc Wafer Check Valve is designed for water, seawater, and mildly corrosive media. Featuring a GGG50 ductile iron body and H62 brass swing disc, it prevents backflow via

Why choose us

Our Certificates
Our products have passed ISO 9001 certification. We have also been recognized as a high-tech enterprise, received an AAA credit rating certificate, and hold multiple patents.

Production & Market
Since its establishment, TIANJIN XTD VALVE CO., LTD. has gained strong domestic sales due to its excellent quality and solid reputation.While maintaining a firm foothold in the domestic market, the company actively explores international markets by participating in global exhibitions, showcasing product advantages, and establishing relationships with customers worldwide. Our products are exported to multiple countries and regions, including Indonesia and other international destinations.

Our Services
From CAD drawings to delivery – We provide seamless service:
● 1-on-1 Engineering Support with over 30 years of expertise
● 15-Day Fast Delivery for standard valves
● Custom Solutions at no additional cost

Wafer Check Valve

Wafer check valves are in-line pipe valves used to control the direction of flow of fluids and reduce or completely prevent potential backflow in piping systems. Wafer check valves are also known as reflux valves, non-return valves, and one-way valves. This type of valve is designed to automatically eliminate the backflow of fluids that can occur when a process system is shut down.

productcate-1073-595

Nominal diameter DN		Size (mm)						Weight (kg)
Nominal diameter DN		D	D₁	D₂	L	R	T	Weight (kg)
MM	Inch	DH77X-10/16
50	2"	107	65	43.3	43	28.8	19	1.5
65	2.5"	127	80	60.2	46	36.1	20	2.4
80	3"	142	94	66.4	64	43.4	27	3.6
100	4"	162	117	90.8	64	52.8	28	5.7
125	5"	192	145	116.9	70	65.7	30	7.3
150	6"	218	170	144.6	76	78.6	31	9.0
200	8"	273	224	198.2	89	104.4	33	17
250	10"	328	265	233.7	114	127	35	26
300	12"	378	310	283.9	114	148.3	43	42
350	14"	438	360	332.9	127	172.4	45	55
400	16"	489	410	381.0	140	197.4	52	75
450	18"	539/555	450	419.9	152	217.8	58	101/107
500	20"	594	505	467.8	152	241	58	111
600	24"	690	624	572.6	178	295.4	73	172
700	28"	800	720	680	229	354	98	219

Technical Parameters

Size	DN32-DN600	DN650-DN2000
Working pressure	16Bar	10Bar
Shell	24Bar	15Bar
Seal	18Bar	11Bar
Operating Temperature	-45°C~+150°C
Operating Environment	Ballast and bilge system Chemical processing Desalination plants Drilling rigs Drinking water Dry powder Food and beverage Gas plants HAVC Mining industry Paper industry Sand handling Seawater Sugar industry Thermo technical water treatment Waste water
Driving Method	Hand Lever Worm Gear Electric Pneumatic

Executive Standards

Design Standard	EN 593, MSS SP67, API 609, BS 5155
Inspection & Test	API 598, ISO 5208, EN 12266
End Standard	ANSI B16.1 CL. 125LB & B16.5 CL. 150LB
	AS 2129 Table D & E
	BS 10 Table D & E
	DIN 2501 (PN6, PN10, PN16)
	EN 1092 (PN6, PN10, PN16)
	ISO 2531 (PN6, PN10, PN16), 7005 (PN6, PN10, PN16)
	KS B / JIS B 1511 / 2210 (5K & 10K)
	MSS SP44 CL. 150LB
	AWWA C207
	SABS 1123 Table 1000/3 & Table 1600/3
Face to Face	ISO 5752, EN 558, MSS SP67, API 609, DIN 3202
Top Flange	ISO 5211

Various Valve Disc Designs

Wafer check valves commonly feature single-disc, double-disc, and spring-loaded valve disc types.

Single-Disc

Suitable for low flow rate and low-pressure differential conditions.

Double-Disc

More stable and reduces water hammer impact.

Spring-Loaded

Maintains good sealing performance at low flow rates, preventing leakage.

Advantages of the Wafer Check Valve

01/

Compact Design

The wafer check valve, with its simple structure, small size, and lightweight, is highly suitable for piping systems with limited space.

02/

Low Pressure Drop

The resistance to fluid flow through the valve body is minimal, maintaining high flow efficiency, making it ideal for applications sensitive to flow rate and energy consumption.

03/

Flexible Installation

The wafer-style connection allows for easy installation and removal, and can be used in both horizontal and vertical pipelines.

04/

High Reliability

The valve disc closes quickly, effectively preventing water hammer and protecting the safety of the pipeline and equipment.

Basic Structure of Wafer Check Valve

The wafer check valve is a type of one-way valve designed for wafer-style installation. It consists of several key components, including the valve body, disc, spring, hinge pin, and sealing elements:

Valve Body

Typically made from stainless steel, carbon steel, or other corrosion-resistant materials, providing excellent strength and durability.

Disc

The core component responsible for opening and closing the flow path, commonly designed as a single disc or dual-disc configuration

Spring

Provides the restoring force to ensure the disc closes promptly when the fluid stops or flows backward.

Sealing Elements

Enhance sealing performance and minimize the risk of leakage.

Ductile Iron Body And Disc Wafer Type Check Valve

Application Selection for Different Types of Wafer Check Valves

Wafer check valves can be categorized into dual-plate and single-plate types based on their structure. Each type has distinct characteristics and is suited to specific applications:

Single-Plate Type Wafer Check Valves

Ideal for small-diameter pipelines, featuring a simple structure but higher fluid resistance.

Dual-Plate Type Wafer Check Valves

The most widely used design, offering low fluid resistance. It is suitable for medium to large-diameter pipelines and is the preferred choice for standard industrial applications.

Key Differences Between Two Valve Types

Explore the unique features of wafer and swing check valves.

Features	Wafer Check Valves	Swing Check Valves
Design	Compact and lightweight structure.	Bulkier design with pivoting disc.
Functionality	Spring-assisted disc for quick response.	Pivoting disc for high-pressure applications.
Installation	Flexible installation in any orientation.	Requires horizontal installation space.
Maintenance	Challenging access due to compact design.	Easier access for maintenance tasks.
Cost	Lower initial costs and material requirements.	Higher upfront costs but lower maintenance.
Application Suitability	Ideal for tight spaces and rapid flow reversals.	Best for high-pressure industrial applications.

Installation Considerations for Wafer Check Valves

Proper installation of a wafer check valve is critical to its performance:

Confirm Flow Direction

Install the valve according to the flow direction indicated on the valve body to ensure one-way flow.

Pipe Alignment

Ensure the pipe flanges are properly aligned to prevent stress concentration that could damage the valve body.

Bolt Tightening

Evenly tighten the flange bolts to maximize sealing performance.

Regular Inspection

Regularly check the condition of the disc and spring, especially in systems with frequent opening and closing cycles.

FAQ

Q: Could you offer a free sample ?

A: We can provide free samples for you to evaluate, but you need to bear their shipping costs.

Q: Are you a facrory or trade company ?

A: We are a marine butterfly valve manufacturer, and specialize in the production and export of valves for more than ten years.

Q: Would you have a discount if l have a large order?

A: Yes we could offer different discount according to your order quantity.

Q: How will you make the shipment?

A: By sea shipment/Air/Express service.

Q: Do you accept OEM business?

A: Yes.We do.

We're well-known as one of the leading wafer check valve manufacturers and suppliers in China. Please feel free to buy high quality wafer check valve at competitive price from our factory. For more information, contact us now.

Carbon Steel Fully Lined EPDM Wafer Check Valve, check valve, CS Wafer Check Valve