QB Series seals are balanced pusher seals available in single and dual seal configurations used for sealing environmentally-restricted products and meeting the most stringent regulations. The QB Series is fully compliant with API 682 Type A requirements. Flowserve QB Pusher Seal is one of the many innovative Mechanical Seals Flowserve has to offer.

QB系列密封是平衡推进型密封，有单密封和双密封配置，用于密封环境上受限的产品，符合最严格的法规。 QB系列完全符合API 682 A型的要求。 Flowserve QB推进型密封是Flowserve提供的多款创新性机械密封之一。 在此了解更多规格信息。

•Designed from the start as a cartridge seal – Available as a component seal •Flowserve’s most popular seal family •Name derived from the spring end view

Improve water quality with NSF / ANSI / CAN 61 certified product that adheres to strict industry and regulatory requirements. Advanced spring holder design with radial openings at both end of the springs for recirculation and self-cleaning. Large cross-section seal face is built to withstand the widest range of applications.

These pioneering techniques have led to sophisticated seal face topographies and innovative microfeatures that can be designed to boost your bottom line by enhancing fluid film, creating lift, reducing friction,

QB Series seals are balanced pusher seals available in single and dual seal configurations used for sealing environmentally-restricted products and meeting the most stringent regulations. The QB Series is fully compliant with API 682/ISO 21049 Type A requirements.

Consult FLOWSERVE's QB Series Seal Brochure brochure on DirectIndustry. Page: 1/2

The QB is a single, balanced, multi-spring pusher seal designed for general service applications, particularly within the petrochemical and chemical industries. It fully complies with API 682 type A standards.

Available in single/dual seal configurations and used for sealing environmentally restricted products and meeting regulatory requirements. Compliant with API 682 Type A requirements. Pressure: up to 51.7 bar (750 psi)

Flowserve has focused on seal selection based on application and industry. We have limited the number of seal choices, which will help you optimize your seal selection. Icons are shown with the seal descriptions so that even without looking at the application and industry sections you will have an immediate impression of the seal's main ...