Precision Products (UK) Ltd – Leading manufacturer and supplier of piston rings and metallic seals worldwide
For many years, Precision Products has been a leading manufacturer and supplier of piston rings and metallic seals. We supply our products to companies worldwide and each piston ring and metallic seal is made here in the UK. We are a part of the Made in Britain campaign, this is a campaign that supports and promotes British manufacturing.
Specialising in the design, development, manufacturing and supplying of piston rings and metallic sealing rings, PPUK supplies an expert product and service to customers from different industries such as marine and industrial customers.
We have a proven track record and extensive experience across a range of materials, product types, geometrical specifications and coating technologies. PPUK operates from our facility in Chesterfield, UK, where we are able to offer world-class capabilities to provide a thorough portfolio of service offerings to our customers. We are committed to quality by investing in continuous improvement within technology, research and development.
In support of this, PPUK has developed a laboratory equipped with state of the art instruments, managed by experts in piston ring sealing and material technology.

MARINE
PPUK specialises in the development and manufacture of piston rings for major OEMS and the aftermarket in the maritime industry. The scope of product and specialist service offers a comprehensive range of piston ring solutions…

INDUSTRIAL
PPUK provides expert design, development and manufacture of piston rings and metallic seals to meet a vast range of industrial applications. We offer piston ring and metallic seal solutions across diverse industries, including diesel railway…
Latest News
What are piston rings made of?
Piston rings operate at higher temperatures than fabric, elastomeric, or polymer seals. If damaged, sealing rings allow engine oil to become polluted by hot exhaust leaking from the cylinder into the crankcase. So what are piston rings made of and how do these...
What are the signs of worn piston rings?
Piston rings are a key engine component as they take care of several high workload functions at once. This, combined with the high temperature and corrosivity of their environment is one of the reasons that they go through a lot of wear and tear. An important part of...
How to fit piston rings
If you’re not sure how to fit industrial piston rings, we’ll cover everything you need to know in this short five-step guide. If you still have questions at the end, our technical experts will be on hand to help. 1. Fit with caution & use the right equipment...
