Gas seal for energy storage piston

How does a piston float on a guide ring?

DESIGN The piston floats on guide rings which prevent metal-to-metal contact between the piston and the accumulator wall. Suitable materials are available for low temperature applications. 2. GENERAL INFORMATION

Can mechanical seals be used with hydrogen?

Mechanical seals for use with hydrogen must be carefully selected, as many of the materials most often used for industrial seals are incompatible with the properties of hydrogen.

Are piston accumulators suitable for long-term storage?

When supplied piston accumulators are suitable for short-term storage. Piston accumulators suitable for long-term storage are available on request. Precise information about the intended operating conditions is required in order to select the most appropriate sealing system for the field of application.

Why is a hydrogen seal important?

Because hydrogen’s tiny molecular structure allows it to permeate many materials, seal selection is critical to minimizing leakage. Materials chosen must be compatible with one another as well. Any incompatibility amongst materials in the system could lead to a chemical reaction that could compromise the seal integrity.

Does Stein seal industrial keep things from leaking?

Keeping things from leaking is what Stein Seal Industrial does better than anyone. Stein Seal Industrial is at the forefront of hydrogen seal design, with patented innovations that have transformed the use of hydrogen in power generation and other industrial applications.

What is a piston accumulator made of?

The cylinder and the two end caps are manufactured in carbon steel as standard. For use with certain aggressive or corrosive fluids, the parts coming into contact with the fluid can be nickel plated for protection, or made entirely from corrosion-resistant material. When supplied piston accumulators are suitable for short-term storage.