Engineering Technologies Flowserve Sanmar Flowserve Type QB ( API 682)

Flowserve Sanmar

Market leader in engineered mechanical sealing devices, offering a wide choice to the industry

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Workhorse seal with rugged components, heavy duty seal faces - greater reliability
Cartridge seal configuration affords ease of installation.
Satisfies all API 682 design and qualification test requirements for single and dual arrangement seals
Optimal face cooling and reduced distortion with available multiport injection
Design renders cooler operation resulting in longer equipment life and reliability. Less sensitive to vapor pressure margin, even under upset conditions
QBS seal with clog-resistant, large single coil spring combats dirty services

QBU seal handles low lubricity hot water without the need for auxiliary cooling systems
QBQ seal handles vaporizing hydrocarbons
Handle low vapor pressure margin with the QBQ LZ seal, with Precision Face Topography wavy face
QBB face-to-back configuration to handle low to moderate pressurized barrier dual seal applications
Moderate and high pressure pressurized dual seal applications, are handled by the QB2B back-to-back configuration