Pusher Seals – QB-VOIPSQB1619172

Features and Benefits of Pusher Seals – QB-VOIPSQB1619172:

• Greater reliability and installation ease assured by rugged components, heavy-duty seal faces, and cartridge seal configuration
• 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
• Increased safety and environmental compliance assured by dual seal arrangement, which provides for safety backup and emissions control in hazardous services
• Longer equipment life and reliability from design that runs cooler and is less sensitive to vapor pressure margin, even under upset conditions
• Combat dirty services with the clog-resistant large, single coil spring in the QBS seal
• Handle low lubricity hot water without the need for auxiliary cooling systems with the QBU seal
• Handle vaporizing hydrocarbons with the QBQ seal
• Handle low vapor pressure margin with the QBQ LZ seal, featuring Precision Face Topography wave pattern on the stationary seal face
• Low to moderate pressurized barrier dual seal applications are handled by the QBB face-to-back configuration
• Moderate and high pressure pressurized dual seal applications, including Piping Plan 53B, are handled by the QB2B back-to-back configuration
• Choice of throttle bushing design: fixed, floating, or segmented