WTM Valves & Services is your exclusive source for OEM spare parts for Hammel Dahl CRD Scram Valves. We are the sole OEM-Authorized Source for all your parts and full valve replacement needs.
Both safety-related and non-safety-related parts, valves, and actuators are available.
Description: ¾”-2500# Outlet Valve, 1”-2500# Inlet Valve (both with direct-acting pneumatic actuator)
Typical Valve Model Numbers: V999Z1204, V999Z1205
Actuator Size: 50 sq-in
Valve Safety-Classification: Non-ASME, Safety Related
Application: Inlet and Outlet Valves for BWR control rod drive system
Demand OEM parts. These valves are critical to plant reliability and safety and the use of anything other than authentic OEM spare parts may compromise plant reliability and safety.
Want to save thousands by reducing outage duration associated with these valves? Talk to us about an exchange program.


Frequently Asked Questions
Does WTM supply OEM parts for Hammel Dahl CRD Scram Valves?
Yes. WTM Valves & Services is the OEM-authorized source for replacement parts and valve replacement needs associated with supported Hammel Dahl Control Rod Drive, or CRD, Scram Valves.
What are Hammel Dahl CRD Scram Valves used for?
These valves are used as inlet and outlet valves in Boiling Water Reactor control rod drive systems. Because they perform an important plant function, correct identification and procurement of appropriate replacement components are essential.
Which Hammel Dahl CRD Scram Valve models does WTM support?
Typical models associated with this equipment include V999Z1204 and V999Z1205. Customers should provide the exact model number, tag information, drawing, or other equipment data so WTM can verify the applicable parts.
Are both safety-related and non-safety-related CRD valve parts available?
WTM can provide both safety-related and non-safety-related parts, valves, and actuators where applicable. Procurement requirements and documentation should be identified when requesting a quotation.
Why should authentic OEM parts be used in Hammel Dahl CRD Scram Valves?
OEM parts help maintain the configuration, fit, function, and design basis associated with the original equipment. For critical nuclear applications, replacement components should be selected and documented in accordance with the plant’s applicable engineering and quality requirements.
Does WTM offer complete replacement CRD Scram Valves?
Yes. In addition to individual OEM replacement components, WTM can assist with full valve replacement requirements for supported Hammel Dahl CRD Scram Valve applications.
Does WTM offer an exchange program for Hammel Dahl CRD Scram Valves?
Given sufficient interest, WTM could offer an exchange-program option that may help reduce the outage time associated with servicing these valves. Plants should contact WTM to discuss availability, equipment requirements, schedules, and further specifics.


