Trusted Solutions for the Nuclear Power Industry

Koso Hammel Dahl Equipment

KOSO HAMMEL DAHL products cover a broad range of applications with a variety of standard and optional features, such as flow characteristics, ease of maintenance and noise attenuation and cavitation abatement designs. Most bodies and/or trims are available in special alloys such as Monel®, Hastalloy® C and Alloy 20.

• New Koso-Hammel Dahl Valves and Controls
• Original Hammel Dahl Valves
• Original Hammel Dahl Parts
• Technical Support for Hammel Dahl Products

Contact WTM Valves & Services

About WTM

WTM Valves & Services, aka Wright Technical Marketing, LLC supplies and supports valves, actuators, and related fluid handling products to the nuclear power generation industry. WTM Valves & Services has 37 years of experience supporting the needs of the nuclear power industry. The WTM Valves & Services team knows the nuclear industry inside and out and has the technical experience necessary to deliver an excellent combination of high-performance products and first rate support.

In addition to the Hammel Dahl products offered to the industry, we provide services such as:

• Replacement valves & actuators for obsolete equipment
• Retrofit/improvement of existing equipment
• Applications Consulting
• Project procurement
• Custom-engineered valves
• Valve & Actuator Mods
• Equivalency Evaluation
• Parts for original Hammel Dahl Valves
• Preparation of Technical Documents
• Specification Review and Certification

WTM GP50 Series Positioners

WTM proudly manufactures and supplies the GP50 Series Positioner line (formerly ITT Conoflow®).  Contact us for a quote with short lead times!

• Supplied across all industries
• Rugged, mechanical design
• Time-proven
• Side-mounted
• I/P Compatibility
• Full range of models available

Frequently Asked Questions

What does WTM Valves & Services provide to the nuclear power industry?

WTM Valves & Services supplies and supports control valves, actuators, OEM replacement parts, valve accessories, and related fluid-handling products for nuclear power applications. WTM also provides engineering and technical services including applications consulting, troubleshooting, retrofits, custom-engineered valves, equivalency evaluations, and procurement support.

Is WTM an authorized supplier of Koso Hammel Dahl valves and parts?

Yes. WTM Valves & Services is the exclusive supplier of Koso Hammel Dahl valves and parts to the nuclear power industry and provides product support for both current Koso Hammel Dahl equipment and the installed base of original Hammel Dahl products.

Does WTM support original Hammel Dahl valves and actuators?

Yes. WTM supports many original Hammel Dahl valves and actuators with OEM replacement parts, technical assistance, troubleshooting, retrofits, upgrades, and replacement solutions for obsolete or unsupported equipment.

What nuclear power plant applications does WTM support?

WTM supports valve applications found in BWR, PWR, and other nuclear power systems, including control rod drive systems, reactor sampling, reactor water cleanup, service water, chemical volume control, heater drains, steam systems, and other flow-control applications.

Does WTM manufacture GP50 Series Positioners?

Yes. WTM manufactures and supplies the GP50 Series Positioner line, formerly associated with ITT Conoflow. GP50 positioners are rugged mechanical valve positioners available in multiple models and configurations for industrial applications.

Can WTM help replace obsolete valves or actuators?

Yes. WTM can evaluate obsolete or difficult-to-source valve and actuator equipment and help identify replacement, retrofit, modification, or custom-engineered solutions based on the requirements of the application.

Where is WTM Valves & Services located?

WTM Valves & Services, also dbaWright Technical Marketing, LLC, operates from its facility at 186 Carpenter Lane in Lewisburg, Pennsylvania. Customers can contact WTM for product quotations, technical assistance, parts, or application support.