Tilting Disc Check Valve (Bolted Cover, Pressure Seal Cover)

Tilting Disc Check Valve (Bolted Cover, Pressure Seal Cover)

Design: B16.34; BS EN 12516

Connection type:

1.END FLANGE(RF/RTJ):ASME B16.5 (2” to 24”) & ASME B16.47 series A & B(≥ 26”); BS EN 1092


Face to Face: ASME B16.10; BS EN 558

Test: API 598;BS EN 12266

Product range:

Size: NPS 2″~24″(DN50~DN600)

Pressure Rating: ASME CLASS 150LB~900LB(PN16~PN150)—Bolted Cover

ASME CLASS 1500LB~2500LB(PN250~PN420)—Pressure Seal Cover

Product Detail

Product Tags

Material of body

Carbon Steel


Low Temperature Steel


Stainless Steel

CF8, CF8M, CF3, CF3M, CF8C, CF10, CN7M, CG8M, CG3M

Alloy Steel

WC6, WC9, C5, C12, C12A

Duplex Steel


Nickel-Based Alloy

Monel, Inconel 625/825, Hastelloy A/B/C, CK20

Features and Benefits

1.Tilting Disc Design: Designed to tilt away from the flow path when the fluid flows in the forward direction, allowing for unobstructed flow with minimal pressure drop. When the flow reverses, the disc tilts back into the closed position, preventing backflow.

2.Low Maintenance: The simple design of tilting check valves requires minimal maintenance. The tilting disc mechanism eliminates the need for complicated mechanisms or external actuation, reducing the chances of failure and simplifying maintenance procedures.

3.Reliable Sealing: Our design provides excellent sealing performance, ensuring tight shut-off and preventing leakage in both flow directions. This reliability is crucial in critical applications where fluid containment is essential.

4.Durability and Longevity: Tilting check valves are built to withstand high pressures, temperatures, and demanding operating conditions. The materials used in construction are selected for their corrosion resistance, erosion resistance, and durability, ensuring a long service life.

5.Reduced Water Hammer: The tilting disc design and fast closure of these valves help mitigate water hammer effects, reducing the potential for pipe damage and system disruption.

6.Bolted Bonnet Design: The valve features a bolted bonnet that securely fastens the bonnet to the body using bolts. This design ensures a tight and leak-free seal, enhancing the valve's overall integrity.

7.Connection between valve body and bonnet: The combination strength of the valve body, bonnet, bolts and gaskets of each check valves designed by TH-Valve Nantong are all calculated in strict accordance with ASME-VIII, so it has a strong reliable seal between body and bonnet this structure ensures durability and long service life.

8.The self-sealing ring of the cover and the valve body adopts a small-angle sealing cone surface, and the sealing surface is precision-processed, so the sealing effect is better and the service life is longer.

Overall, TH-Valve Nantongs tilting check valves offer efficient, reliable, and versatile backflow prevention in fluid systems. Their unique design features and benefits make them a preferred choice in many industrial applications.

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