Bolted Bonnet Wedge Gate Valve

Bolted Bonnet Wedge Gate Valve

Design: API 600 & API 624; BS EN 12516; GB/T 12234

Connection type: 

1.END FLANGE(RF/RTJ):ASME B16.5 (2” to 24”) & ASME B16.47 series A & B(≥ 26”); BS EN 1092; GB/T 9113


Face to Face: ASME B16.10; BS EN 558; GB/T 12221

Test: API 598;BS EN 12266; GB/T 26480

Product range:

Size: NPS 2″~72″(DN50~DN1800)

Pressure Rating: ASME CLASS 150LB~2500LB(PN16~PN420)

Product Detail

Product Tags

Material of body

Carbon Steel WCB,WCC
Low Temperature Steel LCB,LCC
Stainless Steel CF8, CF8M, CF3, CF3M, CF8C, CF10, CN7M, CG8M, CG3M
Alloy Steel WC6, WC9, C5, C12, C12A
Duplex Steel A890(995)/4A/5A/6A
Nickel-Based Alloy Monel, Inconel625/825, Hastelloy A/B/C, CK20

Operated type

Manual, Gear box, Actuator operated, Pneumatic operated

Features and Benefits

1.Nantong TH-Valve designed Bolted Bonnet Flexible Wedge Gate Valves are ideal for high pressure steam, catalytic reformers, hydrocrackers and other tough services.

2.The connection flanges between body and bonnet are strictly calculated based on ASME standard.

3. Stronger, leak-proof bolted body bonnet joint ensures joint tightness with a higher bolting torque

4. For sizes DN650(NPS 26”)and above ,wedge guides and body guides with surface hardened.

5. Longer and wider body ram guide mating surface.

6. Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.

7. Body made of superior strength forgings or optional cast steel.

8. Non-rotating stem.

9. Hardfaced seating faces resist erosion.

10. Available with provision for seal weld.

11. API 622 packing suitable for low emission.

12. Nantong TH-Valve‘s wedge gate valve could be fitted with bypass valve and bellow seal as customer’s requirement.

For the possibility of custom sizing, please request for a quote.

Send us an email today, we are glad to show you more about our reference list and pictures of our product details.

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