Flowguard™

Pulsation Dampeners – Now Part of Hydril

Improve Your Pump Reliability

Flowguard Pulsation Dampeners enjoy a long tradition of quality and performance. That made them a perfect addition to the Hydril family. Flowguard dampeners offer the best quality available for chemical injection and smaller-flow industrial applications.

  • Large inventory assures off-the-shelf delivery of most sizes and elastomer choices.
  • Most industry specifications and requirements offered with short lead times.
  • Wetted and non-wetted shell designs, as well as custom materials of construction and connection types.
  • Elastomeric, PTFE and 316 SS Bellows diaphragm designs meet most applications.
  • Custom designs available.

Selected Engineering Data*

FD Series
Model Ref. Pressure (psi) Diameter (in) Height (in) Weight (lb)
FD 10 870 5.7 6.1 13
FD 20 508 6.9 7.12 18
FD 30 508 8.9 8.3 22
FD 40 508 9.8 9.9 33
FD 50 363 11.8 11.5 42
FD 60 363 14.9 14.25 55
FD 80 363 19.7 18.7 77
 
DS Series
Model Ref. Pressure (psi) Diameter (in) Height (in) Weight (lb)
DS 10 4406 2.61 5.43 6.6
DS 20 4435 3.24 6.77 11
DS 30 3272 3.74 8.82 17.6
DS 40 2835 4.72 8.86 26.4
DS 50 1992 4.50 14.69 39.6
DS 57 1658 5.56 16.34 41.8
DS 60 858 6.63 16.06 50.6
DS 70 858 6.63 20.39 55
DS 80 771 8.63 25.98 105.6
  • 316 stainless steel offered as standard shell material; many other choices available.
  • FKM (Viton®), nitrile, EPDM, and other elastomeric membranes available.
  • Pressure ratings to 15,000+ psi; ASME “U” Code stamping and other specifications available on most units*.

* See brochure for additional data

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