Valve Spares / Die Form Rings

John Moncrieff is a leading supplier of high-quality boiler valve spares and die formed packing rings, essential components for ensuring the efficient and reliable operation of your boiler valves.

Die formed packing rings are precision-engineered components designed to provide a tight seal around the valve spindle, preventing leaks and ensuring smooth valve operation. These rings are typically made from graphite, a material renowned for its excellent sealing properties, durability, and ease of installation and removal.

John Moncrieff offers a wide range of die formed packing rings to suit various boiler valve types and applications, including:

• Globe Valves: Used to regulate the flow of fluids in boiler systems.
• Gate Valves: Used to completely stop or start the flow of fluids.
• Check Valves: Used to prevent the backflow of fluids.

Our packing rings are designed to meet the highest industry standards and are compatible with a wide range of boiler fluids, including:

• Hot Water
• High-Temperature and Pressure Steam
• Heat Transfer Fluids
• Hydrogen Gas
• Ammonia
• Organic Solvents
• Hydrocarbons
• Cryogenic Liquids

If you cannot find the exact packing ring you need in our standard range, we offer a custom manufacturing service to create rings tailored to your specific requirements. Simply provide us with the necessary dimensions and specifications, and our team will work with you to deliver a solution that meets your needs.

Choose John Moncrieff for Exceptional Valve Spares and Packing Rings