Pusher Seals - QB-61
Product Brand
Flowserve
Type
Mechanical Seals
SubType
Pusher Seals
About this product

The QB-61 pusher seal has undergone rigorous testing and evaluation by NSF International and has been NSF/ANSI/CAN 61 & 372 certified for applications that involve drinking water, from the source to the tap. The NSF certifications cover all wetted components of the seal and demonstrate how QB-61 seals meet regulatory requirements for drinking water quality, giving municipalities confidence in safe seal selection and operation.

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  • 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.
  • Solid drive keys efficiently transmit torque loads from the seal face without deforming.

Standards: NSF/ANSI/CAN 61 & 372

Size Range: 22.2 to 168.2 mm (0.875 – 6.625 in)

Operating Parameters

  • Pressure: up to 51.7 bar (750 psi)
  • Temperature: -40° to 204°C (-40°F to 400°F)
  • Speed: up to 23 m/s (75 fps)
Destination Innovation

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