TRM-4 and -4H Safety Valves | SCSSV | 10kpsi | Schlumberger
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TRM-4 and -4H

Tubing-retrievable, surface-controlled safety valves

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Rated up to 10,000 psi [69 MPa]
Rated to 300 degF [149 degC]
Setting depths to 2,500 ft [762 m]

Manage risks with a general service safety valve

TRM-4 and -4H series tubing-retrievable, surface-controlled subsurface safety valves feature rod-piston actuation, metal-to-metal body joints, a rugged flapper-closure mechanism, and a minimum number of critical seals. This combination maximizes reliability in general service applications in sweet to moderately corrosive environments.

A modular design enables flexibility in material and engineering options, including a wide range of nipple profiles.

Maximize reliability with metal-to-metal seals

These valves use a single-rod piston with reliable, spring-energized filled Teflon sealing elements; a static, full-closed metal-to-metal seal; and a dual centralizing system. For maximum reliability, all TRM-4 and -4H valves have only two body joints and use proprietary threads to achieve a solid, metal-to-metal seal.

The premium flapper mechanism also has full metal-to-metal sealing plus a secondary soft seat, and it meets a leakage-acceptance criterion that is substantially more stringent than API and ISO specifications.

A unique lockout mechanism enables a simple slickline procedure to permanently lock the valve open and initiate secondary hydraulic communication. A second option enables locking open the valve without activating secondary hydraulic communication.

TRM-4 and -4H Series Safety Valves
TRM-4 and -4H Series Safety Valves
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Product Sheet TRM-4 and -4H Series Safety Valves

Rod-piston actuation, metal-to-metal seal body joints, and a rugged flapper-closure mechanism.

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