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D14D AO / D14H AO Series high-pressure globe valve with dome-shaped pneumatic actuator for remote control.
D14D AC / D14H AC Series high-pressure globe valve with pneumatic actuator for remote fluid control.

IMI Thompson Valves

D14D & D14H AO/AC - Gland Packed Globe Valve

High-pressure pneumatic globe valve for nuclear and industrial shut-off applications.

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    Pneumatic actuator allows reliable remote operation.

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    Handles high pressure and temperature for secure shut-off.

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    Multiple connection options ensure flexible installation.

The IMI Thompson Valves D14D AO/AC, D14H AO/AC Series is a high-pressure gland packed globe valve with a pneumatic actuator for remote operation. Designed for nuclear power, defence, aerospace, and hazardous fluid applications, it ensures secure shut-off at up to 250 bar (3625 psi) and 230°C (446°F). Featuring air-to-open and air-to-close actuation, it meets ASME B&PV Section III standards and supports various media, including steam, helium, and boric acid. Available in threaded, butt weld, socket weld, and stub pipe connections, the D14D AO/AC, D14H AO/AC ensures high-integrity sealing for nuclear and process control environments.

Key features

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250 bar rating

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230°C max temp

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Pneumatic actuation

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Graphite/PTFE packing

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Air-to-open/close

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316L stainless steel

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Threaded & welded ends

Specifications

Fluid Types

Water

Steam

Heavy Water

Gas

Hydrogen

Boric Acid

Corrosive Fluids (Acids & Caustics)

Liquid

Port Size (")

0.25 to 0.75

Maximum Working Pressure (barg)

250

Material

SS 316L

SA182-F316L

Z2CND17.12

Design Codes

ASME Sec. III

Temperature Limits (°C)

0 to 230

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