Constant Flow Valves

Series FC valves maintain constant flow with inlet pressure changes from 15 to 120 psi (1 bar to 8 bar). Available in pipe sizes 1/4" through 1", with standard flow ranges from 1/4 gpm to 8 gpm. Larger sizes (up to 3" FNPT) and higher flow rates (up to 120 gpm) are available by special order; contact us for a quote. Valves are pre-set and tamper-proof.

  • PVC body
  • EPDM seals
  • For corrosive & ultra-pure liquid applications
Stock Description Catalog Pg. Price Add to Cart
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 3/4 GPM
Item 88481
165.35 41.3375/Each (75% off)
Save 75%Clearance
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165.35 41.3375/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
Item 88483
165.35 41.3375/Each (75% off)
Save 75%Clearance
Internet Only
165.35 41.3375/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 2 GPM
Item 88484
165.35 41.3375/Each (75% off)
Save 75%Clearance
Internet Only
165.35 41.3375/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
Item 88489
187.07 46.7675/Each (75% off)
Save 75%Clearance
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187.07 46.7675/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 2 GPM
Item 88490
187.07 46.7675/Each (75% off)
Save 75%Clearance
Internet Only
187.07 46.7675/Each