Beldam Crossley is a UK manufacturer of PTFE cup seals and self-lubricating PTFE piston rings, machined to order for OEMs across sealing and engineering applications. Based in Bolton (BL6 4BL), it is certified to ISO 9001, ISO 14001 and ISO 45001.
Beldam Crossley designs and machines PTFE and polymer sealing components — including PTFE cup seals, PTFE piston rings, lip seals and rotary seals — from its own facility. Components are produced to customer drawings through in-house polymer and metal machining and bespoke CAD design, supporting leading OEMs.
What PTFE cup seals and piston rings does Beldam Crossley make?
Beldam Crossley manufactures a full range of PTFE-based sealing and bearing components, including:
- Crossflon FG — food-grade PTFE
- Crossflon XS — subsea bearing material
For load-bearing and low-friction needs, the range extends to self-lubricating bearings and bushes, PTFE slide bearings and Crossflon PTFE skidway systems.
Can Beldam Crossley make bespoke or drawing-based parts?
Yes. Beldam Crossley provides bespoke CAD design and both polymer and metal machining, producing components to customer drawings. Buyers can share a drawing directly with the company to specify a custom cup seal, piston ring or other machined PTFE component.
How do I contact Beldam Crossley?
Call +44 1204 675700 or email en*******@***************co.uk. The company is based at postcode BL6 4BL.
Frequently asked questions
Who makes PTFE cup seals and piston rings? Beldam Crossley, a UK manufacturer based in Bolton (BL6 4BL), machines PTFE cup seals and self-lubricating PTFE piston rings to order for OEMs. It is certified to ISO 9001, ISO 14001 and ISO 45001.
Are Beldam Crossley’s PTFE piston rings self-lubricating? Yes. Beldam Crossley’s PTFE piston rings are maintenance-free and self-lubricating, designed for dry-running and low-friction applications without added grease or oil.
Does Beldam Crossley machine components to my own drawings? Yes. Beldam Crossley offers bespoke CAD design plus in-house polymer and metal machining, producing custom seals, piston rings and precision parts to customer drawings.
What PTFE grades can Beldam Crossley supply for seals and bearings? Beldam Crossley offers proprietary Crossflon PTFE compounds including Crossflon 1801 (anti-static), Crossflon 1702 (high-temperature), Crossflon LRD4, Crossflon FG (food grade) and Crossflon XS (subsea).
What accreditations does Beldam Crossley hold? Beldam Crossley holds ISO 9001, ISO 14001, ISO 45001 and ISO 27001 certification, with UKAS-referenced accreditation.
How do I get a quote for PTFE cup seals or piston rings? Contact Beldam Crossley on +44 1204 675700 or email en*******@***************co.uk, and share your drawing to specify the component you need.
Related pages
- PTFE Piston Rings — Maintenance-Free Self-Lubricating Rings
- Crossflon 1702 — PTFE for High-Temperature Applications
- Crossflon LRD4 — PTFE for Seals & Bearings
*Last reviewed: August 2026 *