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 66.14/Each (60% off)
Save 60%Clearance
P-479
165.35 66.14/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1 GPM
Item 88482
165.35 66.14/Each (60% off)
Save 60%Clearance
P-479
165.35 66.14/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
Item 88483
165.35 66.14/Each (60% off)
Save 60%Clearance
P-479
165.35 66.14/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 2 GPM
Item 88484
165.35 66.14/Each (60% off)
Save 60%Clearance
P-479
165.35 66.14/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1 GPM
Item 88488
187.07 74.828/Each (60% off)
Save 60%Clearance
P-479
187.07 74.828/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
Item 88489
187.07 74.828/Each (60% off)
Save 60%Clearance
P-479
187.07 74.828/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 2 GPM
Item 88490
187.07 74.828/Each (60% off)
Save 60%Clearance
P-479
187.07 74.828/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals- 1 GPM
Item 88494
167.76 67.104/Each (60% off)
Save 60%Clearance
P-479
167.76 67.104/Each