# CanadaBuys #W8482-275453/A

Control valve assemblies for HFX-class naval ship water systems

**Posted:** October 20, 2026
**Respond By:** November 04, 2026
**Identifier:** W8482-275453/A
**NAICS:** 332911

Canada’s Department of National Defence is seeking control valve assemblies for the cold fresh water systems on HFX-class ships.
- **Buyer:** Department of National Defence (DND), Directorate of Maritime Procurement.
- **OEM:** **C T H Instruments Ltd.** (NCAGE L2335) is the named manufacturer.
- **Products requested:** Control valve assemblies, part number **250854F55AHMX1ZR**.
  - Base requirement: 1 assembly.
  - Optional requirement: 23 assemblies.
- **Delivery locations:** CFB Halifax and CFB Esquimalt.
- **Notable requirements:** Equivalent or substitute products must include the offered brand and model and/or part number, plus the NCAGE. Canadian goods and services are preferred, and participation is limited to Canadian suppliers and trading partners.
- **Selection:** Lowest-price basis.

### Description

The Department of National Defence is requesting proposals for control valve assemblies, including one unit under line item 1 and 23 units under optional line item 2. The listed part number is 250854F55AHMX1ZR, manufactured by C T H Instruments Ltd. Delivery is requested at CFB Halifax and CFB Esquimalt. Equivalent or substitute products must be identified with the brand, model and/or part number, and NCAGE; the requirement is subject to a preference for Canadian goods and/or services.

[View original listing](https://canadabuys.canada.ca/en/tender-opportunities/tender-notice/cb-792-5117618)