top of page
Technical Information
Back to Top

Derwent Industries Pty. Ltd. incorporates Derwent Foundry (Est.1840) and Derwent Pipelines. The foundry, situated at Derwent Park, has undergone changes and restructuring to allow supplies of competitive production castings throughout Australia and overseas. Derwent Pipelines can supply your requirements for water, waste water fire and industrial products.
Please find attached:

Ductile Iron Fittings:
Clamps - Standard and Tapped
-
StandardsMark - Clamps Repair & Offtake 316 SS - Exp: Feb 2024
-
WaterMark - Clamps Repair & Offtake 316 SS - Exp: May 2024
Couplings
Resilient Seated Valves:
- Valves Brochure RSGV October 2023
- Valves Brochure RSGV - DN 50 / 65
- Valves Brochure DN750-1200 May 2023
- Valves Brochure RSGV - PE Gripper 2021
- Derwent Valves Bypass - 2021
- Derwent Valve Handwheels - 2022
- Valves StandardsMark-RSGV - Exp: May 2025
- Valves WaterMark RSGV - Exp: May 2025
- Valve RSGV WSAA
- Fire Valves - UL/FM - OS&Y
- Valve Maintenance
Metal Seated Valves:
- Metal Seated Valves Brochure May 2023
- WaterMark - MSGV - Exp: April 2028
- StandardsMark - MSGV - Exp: April 2028
- Hydrants Brochure June 2023
- Spring Hydrants - StandardsMark - Exp May 2025
- Spring Hydrants WSAA
- NZ StandardsMark.pdf - Exp: Oct 2025
- WSAA Appraisal PA2060 - Isolation and NZ Hydrant
bottom of page