Description
Overview:
The Flanged Back Nut 1 1/4" BSP is a heavy-duty brass nut for securing BSP-threaded plumbing fittings to panels, tanks, housings, or flanged connectors. Made from solid brass for strength and corrosion resistance, it provides a firm bearing surface and a consistent clamp on the mating flange. It fits 1 1/4 inch BSP thread form used across domestic and commercial systems, such as pumps, valves, manifolds, and tank connectors.
Key Features:
- Robust brass construction for durability and corrosion resistance in wet environments
- Flanged face spreads load to protect softer materials and gaskets
- 1 1/4" BSP compatibility for standard UK plumbing threads
- Clean, precise threads to help achieve a dependable seal when used with appropriate washers and sealants
- Suits residential and commercial installations, including plant rooms and site systems
- Simple to fit with standard spanners; serviceable and reusable when inspected and cleaned
Typical Applications:
Securing flanged or bulkhead fittings on tanks, cisterns, filter housings, and enclosures; fixing pump unions and valve assemblies; mounting hose tails and connectors through panels; general pipework where a back nut and flange interface are needed for a tight, stable connection in plumbing and building services.
Also known as:
Backnut, flanged locknut, BSP securing nut, tank connector nut, bulkhead fitting nut, pipework lock nut, plumbing fastener, union back nut.
Product Specifications
| L&S Part No. | 804 750 |
|---|---|
| Unit of Sale | 1 |
| Size | 1 1/4" |
