Pusher Seals - QB-61
Product Brand
Flowserve
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.

... Read more Read less
  • 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)

Find Flowserve representatives near you

card-slider-icon-0
Products

Find your closest Flowserve resource for new products and replacement parts. We can help improve performance and safety throughout your operation.

Search Sales Contactsright-arrow
card-slider-icon-1
Services

Searching for a service or repair for your equipment? Connect with a nearby Quick Response Center (QRC) to resolve problems and optimize equipment.

Find Servicesright-arrow
card-slider-icon-2
Specialists

Are you looking for thought leaders with the expertise you need in your industry? We have industry and application specialists around the world who can assist you.

Locate Industry Expertsright-arrow