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Trusted Tilting Disc Check Valve Manufacturer

NTVAL provides high-performance Tilting Disc Check Valves designed for optimal flow control and reliability. With durable construction and excellent sealing, our valves require minimal maintenance. We offer quick delivery, responsive technical support, and strong after-sales service.
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Reliable Tilting Disc Check Valve

Check valves are essential in preventing the reversal of flow in piping systems. These valves function automatically, opening when fluid pressure flows in the intended direction and closing if the flow reverses. The closure mechanism can involve back pressure, gravity, a spring, or a combination of these forces. Common types include swing, piston, butterfly, stop, and tilting disk check valves.

The tilting disk check valve shares similarities with the swing check valve, with both offering low fluid resistance and minimal turbulence thanks to their straight-through design. However, the tilting disk design provides additional flexibility and improved performance.

Tilting disk check valves can be installed in horizontal or vertical pipelines with upward flow. Some models are designed to fit between two flange faces, making them a compact and lightweight solution for larger-diameter pipelines. These valves operate by having the disk lift off the seat as fluid flows through. The airfoil-shaped disk reduces flow resistance by “floating” on the fluid, optimizing performance.

Built-in disk stops within the valve body ensure proper disk alignment for optimal flow. The large body cavity of the valve minimizes flow restriction. As the flow slows, the disk gradually returns to its seat, sealing the valve to prevent reverse flow. For additional reliability, back pressure moves the disk into a soft seal before settling into the metal seat, ensuring a tight shutoff without slamming. In cases where back pressure alone is insufficient, the valve can be equipped with an external lever and weight to guarantee complete closure.

Tilting Disc Check Valve 1

Quality Control

Tilting Disc Check Valve 2
The PMI test checks the metal composition of each tilting disc check valve, confirming it’s made from materials suitable for its purpose.
PMI Test
Tilting Disc Check Valve 3
A sealing test on every tilting disc check valve guarantees it maintains pressure and prevents leaks, essential for safe fluid handling.
Sealing Test​
Tilting Disc Check Valve 4
The low emission test ensures tilting disc check valves release minimal emissions, making them fit for applications with strict environmental standards.
Low Emission Test​
Tilting Disc Check Valve 5
Impact testing measures the tilting disc check valve’s ability to handle physical stress, ensuring it stays intact under heavy industrial use.
Impact Test​
Tilting Disc Check Valve 6
Dimension inspection confirms each tilting disc check valve matches specific size requirements, which is crucial for consistent fit and performance.
Dimension Inspection​
Tilting Disc Check Valve 7
The painting thickness test checks the protective coating on tilting disc check valves, helping to prevent rust and prolong the valve’s lifespan.
Painting Thickness Test​
Tilting Disc Check Valve 8
PT testing identifies surface cracks in tilting disc check valves, checking for flaws that could weaken the valve under pressure.
PT
Tilting Disc Check Valve 9
Material inspection confirms the materials in each tilting disc check valve meet industry quality standards, ensuring the valve performs dependably.
Material Inspection​

Our Valve Applications in Key Industries

Discover how our advanced valve solutions improve flow control, delivering enhanced efficiency, safety, and strict quality assurance.
Tilting Disc Check Valve 10
Tilting disc check valves are ideal for chemical processing, offering strong corrosion resistance and dependable flow control when handling reactive substances.
Chemical Processing
Tilting Disc Check Valve 11
In petrochemical settings, tilting disc check valves manage high pressures and temperatures, providing secure flow control for volatile liquids and gases.
Petrol Chemical
Tilting Disc Check Valve 12
Tilting disc check valves support the O.P.G. and nuclear industries by offering secure, reliable flow control in high-stakes, safety-focused environments.
O.P.G & Nuclear
Tilting Disc Check Valve 13
Tilting disc check valves work well in the pulp industry, handling thick fluids and resisting buildup to keep flow steady and efficient.
Pulp
Tilting Disc Check Valve 14
In mining, tilting disc check valves withstand abrasive materials and tough conditions, ensuring reliable operation when moving slurry and other heavy fluids.
Mining
Tilting Disc Check Valve 15
Tilting disc check valves control water and sewage flow effectively, withstanding corrosion and helping to maintain safe, continuous operation.
Water & Sewage
Tilting Disc Check Valve 16
Tilting disc check valves perform well in steam systems, handling high temperatures while securely managing flow to prevent leaks under heat.
Steam System
Tilting Disc Check Valve 17
In boiling systems, tilting disc check valves handle rapid temperature changes and support stable, secure flow control, making them suitable for safe operations.
Boiling System

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Tilting Disc Check Valve 21

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Tilting Disc Check Valve 23

Butterfly Valve

Features and Benefits of Tilting Disk Check Valve

Check valves are installed to allow flow in only one direction, protecting systems that could be damaged by reverse flow, such as during a system shutdown. These valves operate solely based on the flow direction and do not require any external actuation. It’s important to ensure the correct orientation during installation. For detailed guidance, please refer to the appropriate Installation Operation Manual (IOM).

Features of Tilting Disk Check Valve

Advanced Pressure Seal Design

  • Features an advanced pressure seal design for enhanced performance.

Live-Loaded Bonnet Bolting

  • Equipped with live-loaded pressure seal bonnet bolting on NPS 2 and larger as standard.

Unique Cage Unit for Pre-Assembly Testing

  • The entire seat-hinge-pin-disc assembly can be tested outside the valve before being seal welded into the body.

Superior Tightness with Self-Aligning Seating

  • Conical, lapped-in hard-faced seating is self-aligning, providing superior tightness.
Tilting Disc Check Valve 24
Size range(s)
  • NPS 2 – 24 (DN 50 – 600)
Pressure rating
  • ASME Classes 600 – 2500
Standard connections
  • Butt weld, Flanged

Benefits of Tilting Disk Check Valve

Prevents Leakage

  • Designed to eliminate pin seal leakage, ensuring reliable operation.

Prevents Water Hammer

  • The hinge pin, located near the center of gravity, allows the disc to move rapidly without sliding or wear, preventing backflow and water hammer.

Easier In-Line Service

  • Designed for easy in-line service, facilitating maintenance and reducing downtime.

Extended Service Life

  • The airfoil design of the disk reduces turbulence and flow resistance, minimizing wear and prolonging the valve’s lifespan.

Dimension

Tilting Disc Check Valve 25

Tilting Disc Check Valve

  • Cast Steel Tilting Disc Check Valve
  • Bolted Cover, Horizontal Lines
  • Designed to ASME B16.34, API 6D

Face to Face

ASME/ANSI B16.10

End Flange

ASME/ANSI B16.5

Buttweld

ASME/ANSI B16.25

Class

ASME/ANSI CL150/300/600

CLASS 150 DIMENSION

SIZE (in.)

2″

2-1/2″

3″

4″

6″

8″

10”

12″

14″

16″

18″

20″

24″

26″

28″

30″

32″

                 

Unit:mm

L

203

216

241

292

356

495

622

698

787

864

978

978

1295

1295

1143

1143

1194

D

160

182

196

230

300

390

432

510

540

635

700

770

900

930

991

1020

1150

W

178

198

224

252

326

426

456

530

576

670

740

818

948

988

1050

1090

1240

W.T(kg)

11

16

22

34

62

112

169

238

337

420

550

685

910

1055

1260

1540

1860

CLASS 300 DIMENSION

SIZE (in.)

2″

2-1/2″

3″

4″

6″

8″

10”

12″

14″

16″

18″

20″

24″

26″

28″

30″

32″

                 

Unit:mm

L

267

292

318

356

444

533

622

711

838

864

978

1016

1346

1346

1295

1372

1448

D

170

196

214

245

320

400

460

540

580

660

725

800

940

970

1040

1080

1210

W

198

220

232

268

360

426

457

572

620

690

760

848

988

1018

1250

1280

1350

W.T(kg)

17

22

32

97

110

162

228

380

443

530

780

980

1320

1364

1762

2050

2870

CLASS 600 DIMENSION

SIZE (in.)

2″

2-1/2″

3″

4″

6″

8″

10”

12″

14″

16″

18″

20″

24″

    
             

Unit:mm

    

L

292

330

356

432

559

660

787

838

889

991

1092

1194

1397

    

D

185

196

210

270

340

440

520

570

610

690

755

850

990

    

W

212

225

240

298

405

460

492

602

650

710

780

902

1040

    

W.T(kg)

27

44

47

115

190

320

430

586

750

1015

1480

2050

2550

    

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Additional General Insights Here

Specs of Tilting Disc Check Valve

Material Composition

Tilting Disc Check Valves are constructed from high-quality materials, such as stainless steel, carbon steel, or cast iron, depending on the application. These materials are selected for their resistance to corrosion and wear, ensuring long-lasting performance in demanding environments. Critical components like the disc and seating surfaces are often made from hardened alloys to withstand continuous operation.

Size and Dimensions

Tilting Disc Check Valves are available in a wide range of sizes, typically from 2 inches to 30 inches in diameter or larger. The flow area through the valve seat is designed to be 40% larger than the nominal pipe size, allowing for smooth flow with minimal pressure loss. NTVAL recognized that the valve’s compact design accommodates tight installation spaces while maintaining optimal performance.

Pressure and Temperature Ratings

These valves are designed to operate efficiently under a wide range of pressures, typically up to 2500 PSI. They are suitable for both low and high-pressure systems in industries like oil and gas, water treatment, and chemical processing. On top of that, the temperature ratings vary based on the material composition, generally allowing operation from -50°F to 500°F.

Features of Tilting Disc Check Valve

Simple and Effective Design

Tilting Disc Check Valves have a simple yet effective design that allows the disc to tilt open or closed based on the flow direction. For instance, the valve body is made from strong materials like stainless steel or cast iron, providing long-lasting durability. The disc is hinged to rotate smoothly, reducing wear and tear over time. These valves are available in various sizes, making them adaptable to different pipeline diameters.

Smooth Operation

The hinges of the Tilting Disc Check Valves are designed for smooth operation, allowing the disc to tilt without obstruction. The streamlined design reduces turbulence and pressure drop, making them suitable for a wide range of fluid applications. They also feature a compact structure, which makes installation easier even in limited spaces. The valve's design minimizes the risk of water hammer, a common issue in fluid systems.

High Pressure and Temperature Handling

Tilting Disc Check Valves are built to handle high-pressure and high-temperature environments. Their construction materials are chosen for their strength and resistance to corrosion. The valve components are designed to perform reliably under extreme conditions. Anyone will agree that this makes them ideal for demanding industrial applications.

Benefits of Tilting Disc Check Valve

Reliability

The Tilting Disc Check Valve's design promotes reliable performance, reducing the likelihood of mechanical failure. This reliability is crucial for maintaining safe and efficient operations in industrial settings. The durable materials used in construction mean fewer replacements and repairs. NTVAL recognizes that this results in lower long-term maintenance costs.

Efficiency

With a streamlined design, these valves help maintain efficient fluid flow by minimizing resistance and pressure drop. The reduced turbulence in the system helps in conserving energy and improving overall system performance. The compact structure of the valve allows for more straightforward installation and integration into existing systems. This efficiency translates into cost savings and operational benefits for users.

Safety

Tilting Disc Check Valves enhance safety by preventing backflow, which can cause contamination or damage in piping systems. The minimized risk of water hammer protects the pipeline and connected equipment from sudden pressure surges. Regular maintenance is straightforward, which helps in keeping the valves in optimal working condition. This contributes to the overall safety and longevity of the fluid system.

Applications of Tilting Disc Check Valves

Petrol Chemical

Tilting Disc Check Valves are essential in the petrol chemical industry for managing the flow of various chemicals and hydrocarbons. For instance, they help in preventing backflow, which is crucial for maintaining the purity and quality of chemical products. These valves can withstand the harsh and corrosive environments typical in chemical processing plants.

Mining and Pulp Industries

In the mining and pulp industries, Tilting Disc Check Valves play a vital role in handling slurry and other abrasive liquids. The strong construction of these valves allows them to function effectively even with the presence of solid particles. At NTVAL, they help maintain a smooth flow and prevent clogging in the pipelines. This makes them indispensable for operations where reliability and low maintenance are crucial.

Water and Sewage Systems

Tilting Disc Check Valves are widely used in water and sewage systems to control the direction of flow and prevent contamination. They are installed in pipelines to stop backflow, which is essential for maintaining the integrity of clean water supplies. As a matter of fact, the valves’ ability to operate efficiently in both low and high-pressure conditions makes them versatile for various water management applications.

Power Generation

In power generation facilities, Tilting Disc Check Valves are vital for managing steam and water flow within the system. They prevent reverse flow, which can disrupt turbine operations and compromise efficiency. Their design withstands high temperatures and pressures, making them suitable for demanding power plant environments.
Tilting Disc Check Valve 26
Tilting Disc Check Valve 27

3 Considerations When Buying Tilting Disc Check Valve

01

Energy Efficiency

When buying a Tilting Disc Check Valve, consider its energy efficiency. These valves are designed with a streamlined body and a hydrodynamically shaped disc to reduce pressure loss. The flow area through the seat is 40% larger than the nominal pipe size, allowing for smoother flow and less energy consumption. This results in lower operating costs compared to traditional check valves.

02

Non-Slam Closing

One of the key considerations when choosing a Tilting Disc Check Valve is its non-slam closing feature. These valves utilize a short disc stroke of only 40 degrees, which helps prevent flow reversal and minimizes water hammer effects. Look for valves with an offset pivot design that provides a self-cushioning effect, reducing slamming and protecting your system from shock.

03

High Performance and Wear Resistance

High performance and durability are essential factors to consider when selecting a Tilting Disc Check Valve. The valve’s design should include disc stabilization and a lift-and-tilt action to minimize wear during operation. Additionally, choosing a valve made from durable, wear-resistant materials will increase its lifespan and reduce the need for frequent replacements.

FAQs of Tilting Disc Check Valve

Tilting Disc Check Valves hold several certifications, including ISO9001, ISO14001, ISO45001, API6D, and API607.
Each Tilting Disc Check Valve comes with a 3.1 certificate provided for free. At NTVAl, the certificate is sent for approval before delivery to verify the valve’s performance and quality.
Typically, a quotation for Tilting Disc Check Valves is provided within 2 days of receiving the inquiry.
The production time for Tilting Disc Check Valves generally takes around 5-8 weeks, depending on the valve size and quantity.

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