Powell Fabrication & Manufacturing, Inc.

Railcar Valve Adapters




Powell is the only manufacturer to offer emergency shutdown systems with pneumatic or electric actuators for use on either small containers (150 lb. – 1 ton) or large containers (such as 90 ton railcars). Powell has taken great care to design dependable systems that are convenient to use, powerful, versatile, and most importantly, reliable. We are proud to have developed valve closure systems superior to any other shutdown system available on the market.

Railcar Valve Adapters

UniPro Valve Closure System

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UniPro™ Valve Adapters

Several valve adapters are available for use with the UniPro™ Pneumatic Emergency Valve Closure System.

Valve adapters for Plug-Type Angle Valves

UniPro Valve Adapter UniPro™ Torque Limiting Valve Adapter Fits the standard Chlorine Institute valve handle found on Midland, Descote, Beltech, and Eagle chlorine valves. For use with Chlorine Valve only. For use with UniPro™ Standard
UniPro Valve Adapter UniPro™ Torque Limiting Non-Sparking 4-spoke Valve Adapter For 2" Midland and other 4 spoke valve handles on soft seat valves uses with flammable fluids. For use with UniPro™ Standard
UniPro Valve Adapter UniPro™ Torque Limiting Non-Sparking 5-Spoke Valve Adapter Fits 5-spoke handle on Rego valves used with anhydrous ammonia and liquid petroleum gas (LPG). For use with UniPro™ Standard
UniPro Valve Adapter UniPro™ High Torque, 4 Spoke Valve Adapter Fits traditional ACF valves with hard seats. For use with UniPro™ Standard and UniPro™ R
UniPro Valve Adapter UniPro™ High Torque Non-Sparking 4-Spoke Valve Adapter Fits any 4 spoke, hard seat valve used with flammable fluids. For use with UnipPro™ Standard and UniPro™ R
UniPro Valve Adapter UniPro™ High Torque Non-Sparking 5-Spoke Valve Adapter Fits any 5 spoke, hard seat valve used with flammable fluids. For use with UniPro™ Standard and UniPro™ R
UniPro Valve Adapter UniPro™ Low Torque Non-Sparking Chlorine Valve Adapter For use with UniPro™ LT and UniPro™ LTR
UniPro Valve Adapter UniPro™ Low Torque Non-Sparking 4-Spoke Valve Adapter For use with UniPro™ LT and UniPro™ LTR
UniPro Valve Adapter UniPro™ Low Torque Non-Sparking 5-Spoke Valve Adapter For use with UniPro™ LT and UniPro™ LTR

Valve adapters available for use with  ¼ Ball-Type Angle Valves

UniPro Valve Adapter UniPro™ QT Jamesbury Valve Adapter Jamesbury 5RRR and the UniPro™ QT Jamesbury Valve Adapter.
UniPro Valve Adapter UniPro™ QT Jamesbury Valve Adapter Jamesbury 5RNT and the UniPro™ QT Jamesbury Valve Adapter.
UniPro Valve Adapter UniPro™ QT Jamesbury Split Flange Valve Adapter The Jamesbury Split Flange Valve and the UniPro™ QT Valve Adapter.
UniPro Valve Adapter UniPro™ QT UTC Valve Adapter UTC valve and the UniPro™ QT Valve Adapter.
UniPro Valve Adapter UniPro™ QT ACF Valve Adapter ACF valve and the UniPro™ QT ACF Valve Adapter.

for 150 lb Cylinders, Ton Containers, & Tube Trailers

for Railcars & Bullet Tanks

Other Safety Systems


© 2012 Powell Fabrication & Manufacturing, Inc.