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Swivel Diffuser
2½" NST Hose Nozzle Connection
(Swivel Diffuser)

Ruggedly constructed to provide years of dependable service, the Pollard Swivel Diffuser has a replaceable pressure tube assembly and a ball-bearing swivel hydrant adapter.

  • Used to perform flow tests on hydrants and diffuse stream
  • Female hose thread swivel connection, forged steel body, brass pressure tube with 0-100 psi/1680 gpm gauge
    • P67501-100 Swivel Diffuser 2½", NST 100 lb. Liquid Filled $389.00
    • P67501-160 Swivel Diffuser 2½", NST 160 lb. Liquid Filled $389.00
    • P675 2½" Hydrant Diffuser Case $69.00
    • P66904LF 4" Liquid filled gauge (0-100lb./1680 GPM) (For 2½" Only) $85.00
    • P66916LF 4" Liquid filled gauge (0-160lb./2120 GPM) (For 2½" Only) $89.00


100 psi or 160 psi
Liquid Filled Gauge
Reads GPM too!
4" & 4½" NST Hose Nozzle Connection
(Swivel Diffuser)

The Swivel Diffuser performs three functions simultaneously: it swivels to aim flow, diffuses flow to reduce damage and performs flow tests, all at a price competitive to units that perform only one function.
Ruggedly constructed to provide years of dependable service, the Pollard Swivel Diffuser has a replaceable pitot tube, ball-bearing swivel and is available in 4" or 4½" NST.

  • P67514LF Swivel Diffuser 4" NST (0-100 LF Gauge) $599.00
  • P67502LF Swivel Diffuser 4½" NST (0-100 LF Gauge) $625.00
  • P67502CASE 4" and 4½" Diffuser Case $198.00




The 4½" diffuser comes with a 1.5 %
(100 PSI only NOT dual read) gauge.

E-mail: nni_inc@hotmail.com
Phone: 305-687-3330
Toll Free: 1-877-NNI-FIRE
Fax: 815-366-8272
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