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Bolted Bonnet High Pressure Valves

Bolted Bonnet Flexible Wedge Gate Valves

Stronger, leakproof bolted body bonnet joint ensures joint tightness with a higher bolting torque.
Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.
Designed to ASME B16.34....

Features and benefits

Diantai bolted bonnet  gate valves are ideal for high pressure steam, catalytic reformers, hydrocrackers and other tough services.
● Stronger, leakproof bolted body bonnet joint ensures joint tightness with a higher bolting torque.
● Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.
● Designed to ASME B16.34.
● Body made of superior strength forgings and optional cast steel.
● Diantai stem seal offers tight seal with little to no maintenance over long periods of time.
● Optional live-loading of packing and leakoff.
● Non-rotating stem.
● Hardfaced seating faces resist erosion.
● Available with provision for seal weld.
● Other sizes and pressure classes available. Contact the company for specifications.

● Size range(s)

● NPS 1/2 - 24
(DN 50 - 600)

● Pressure rating

● ASME Class
900 - 2500

● Standard connections

● Socket weld, Butt weld



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