John Crane seals measure up to API standards

The details of various John Crane high-performance seals designed specifically for the oil and gas industry are presented in a new brochure just issued

The details of various John Crane high-performance seals designed specifically for the oil and gas industry are presented in a new brochure just issued.

The ISO 21049 standard, cross referred to the American Petroleum Institute (API)682 3rd edition, gives recommended seal types, arrangements and flush plans for typical refinery applications.

The new brochure outlines the most appropriate John Crane seals which are fully able to meet these recommendations.

The brochure underlines the John Crane ability to supply qualification-tested mechanical seals that comply with this international standard.

It also details the three relevant seal types which are the Category 1 rotating pusher seal with O-ring and multiple springs, the Category 2 rotating metal bellows seal using O-rings and the Category 3 high-temperature metal bellows seal which features flexible graphite packings.

Detailed drawings illustrate variations on each category of seal.

Other data contained in the new publication includes maximum operating specifications for the relevant seals; details on John Crane fluid control systems; and information on the company non-contacting gas-lubricated seals.

This ISO/API standard is now widely recognised within the oil, petroleum and gas industries as providing a key set of selection parameters, and many operators are using compliance with the standards as a benchmark for equipment which is able to satisfy their own operational demands.

To request a free copy of the new brochure please contact John Crane.

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