Dupill Group

About

For over 25 years, The Dupill Group has provided product and service solutions for the power, process control, defense, and industrial markets.
We have assisted our customers with their, valve specification, valve actuation, and valve repair needs. Additionally, we provide Instrumentation and Control devices, electrical products, electrical services, and training for UPS systems, fluid control and pipe sensing devices. We strive to address evolving industry issues utilizing customer feedback and concerns generated by industry professional agencies such as EPRI, INPO, ASME, NRC, and ANSI thereby providing specific solutions to plant maintenance, training, and operational concerns.

Products
Refer to the categories below for detailed information.

Remote Valve Operators / Reach Rods The most versatile, reliable and proven approach to  remote mechanical valve actuation available today. Elliott's Uniflex-Stow™ system is the most versatile, reliable and proven approach to remote mechanical valve actuation available today. The Uniflex-Stow™ system is a unique answer to the problem of remote mechanical valve actuation. When a valve is in a hazardous or hard-to-reach position, it must be actuated, then Uniflex-Stow™ solves the problem. It is the safe and reliable way to actuate almost any valve. If you are still specifying or using out-of-date chains, dual cable systems, linear systems or make-shift solid rod and UJ systems then think Uniflex-Stow - proven, reliable, virtually no maintenance and easy to plan and install.

The system components are designed specifically for the power generation industry Elliott (Stow) has equipment in nearly every U.S. nuclear installation operating today Our components offer the lowest maintenance factor in the industry

Valve Lapping Tools
Repairing leaking valves in industrial pipelines is a laborious and costly operation involving extended downtime and production losses. Losses are minimized when valves are reground in situ precluding the need to dismantle and remove defective valves from the pipeline.

The LarsLap patented mechanically driven portable valve grinders and specialty valve lapping tools provide the proven solution for on-line valve reconditioning. Standard valve grinder models are available in four overlapping sizes to cover most all types of valves 1/4" - 52" in diameter. The valve lapping equipment is versatile with exceptional ease of handling and operation.

LarsLap USA offers accessories, consumables, valve maintenance training and services to fulfill all of your valve maintenance needs.

• Valve Lapping and Polishing Machines

  The LarsLap mechanically driven valve lapping system comprises a number of basic models covering virtually every type of valve from 1/4" to 52" (1300 mm) in diameter. The patented LarsLap technology utilizes a mechanically driven system whereby the rotating drive head incorporates individually driven grinding wheels to perform the actual work of the seat grinding. This unique valve lapping tool provides the desired crosshatch pattern on the valve seat considerably quicker than conventional methods of valve grinding. Our versatile accessories for all types of lapping work are the ideal complement to the basic portable valve grinders

• Valve Cutting and Milling Machines

  The LarsLap mechanically driven valve boring system comprises a number of basic models covering virtually every type of valve from 2-1/2" to 40+" (1000+ mm) in diameter. The patented LarsLap technology utilizes a mechanically driven  system whereby the rotating drive head incorporates individually driven grinding wheels to perform the actual work of the seat grinding. This unique valve lapping tool provides the desired crosshatch pattern on the valve seat considerably quicker than conventional methods of grinding. Our versatile accessories for all types of lapping work are the ideal complement to the basic portable valve grinders.

• Abrasives

  We offer most all abrasive materials and grits from 40 grit to 10,000 grit. Please contact us for abrasive material. Following is the recommended abrasive material and grit for the most common seat material and conditions:

• LarsLap Accessories

  We offer a range of accessories for our products: