Beldam Crossley designs and machines custom valve seats, ball valve seat kits and precision polymer and metal components for OEMs. Based in Bolton (BL6 4BL), the company is ISO 9001, ISO 14001 and ISO 45001 accredited and manufactures from PTFE, PEEK and engineering plastics to drawing.
Beldam Crossley combines in-house polymer and metal machining with bespoke CAD design, so buyers can source valve seats, machined bearing components and sealing parts from a single accredited UK supplier. Drawings can be uploaded directly for quotation.
What custom valve components does Beldam Crossley supply?
Beldam Crossley manufactures valve sealing and seating components to specification, including:
- Valve Seats — machined to your drawing and application
- Ball Valve Seat Kits — replacement and OEM seat kits
- PTFE & Polymer Diaphragms
- PTFE Piston Rings
These are produced from PTFE, PEEK and other high-performance engineering plastics selected for chemical resistance, temperature range and wear performance. See the dedicated Valve Seats page for detail.
What machined components can Beldam Crossley produce?
Beldam Crossley offers both polymer and metal machining with bespoke CAD design, covering:
- Machined Bearing Components and Self-Lubricating Bearings & Bushes
- PTFE & Custom Polymer Machined Components
- Polymer Precision Parts
- PTFE Insulators & Barrier Components
- High Performance Engineering Plastics including PEEK
Explore the full PTFE & Custom Polymer Machined Components range or the Machined Components Bearing capability.
What materials does Beldam Crossley machine?
Beldam Crossley machines PTFE (including Crossflon FG Food Grade PTFE), PEEK and a range of high-performance engineering plastics, alongside metals. This makes it suitable for applications demanding chemical resistance, high temperature performance, low friction or electrical insulation. See the PEEK Parts capability for high-strength, high-temperature components.
Who does Beldam Crossley manufacture for?
Beldam Crossley manufactures for OEMs — its own materials note “Why Leading OEMs Choose Beldam Crossley” — supplying bespoke, drawing-led valve seats, bearings and sealing components. Customers can submit a drawing directly for quotation.
How do I get a quote for a custom part?
Upload your drawing or contact the team on +44 1204 675700 or en*******@***************co.uk. Bespoke CAD design support is available to develop or refine a component before machining.
Why choose Beldam Crossley?
- Accredited: ISO 9001, ISO 14001, ISO 45001, ISO 27001 and UKAS
- In-house capability: polymer and metal machining plus bespoke CAD design
- Material breadth: PTFE, PEEK, food-grade PTFE and engineering plastics
- UK-based: registered in Bolton, BL6 4BL
Frequently asked questions
Who supplies custom valve seats and machined components?
Beldam Crossley supplies custom valve seats, ball valve seat kits and machined polymer and metal components for OEMs, from its Bolton (BL6 4BL) facility. It is ISO 9001, ISO 14001 and ISO 45001 accredited.
Can Beldam Crossley make valve seats to my drawing?
Yes. Beldam Crossley machines valve seats and ball valve seat kits to specification, with bespoke CAD design available and a drawing upload facility for quotation.
What materials are Beldam Crossley valve seats and components made from?
Components are machined from PTFE (including Crossflon FG Food Grade PTFE), PEEK and other high-performance engineering plastics, as well as metals.
Does Beldam Crossley offer metal machining as well as polymer?
Yes. Beldam Crossley provides both polymer and metal machining, plus bespoke CAD design, for precision components.
Is Beldam Crossley accredited?
Beldam Crossley holds ISO 9001, ISO 14001, ISO 45001 and ISO 27001 accreditations and is UKAS-related, providing verified quality, environmental and safety management.
How do I request a quote?
Upload your drawing or contact Beldam Crossley on +44 1204 675700 or at en*******@***************co.uk.
Related pages
- Valve Seats | Beldam Crossley
- Machined Components Bearing
- PTFE & Custom Polymer Machined Components
- PEEK Parts Manufacturer
Last reviewed: August 2026