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
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1/4 GPM
88479
165.35/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
165.35/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1/2 GPM
88480
165.35/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
165.35/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 3/4 GPM
88481
165.35/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
165.35/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1 GPM
88482
165.35/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
165.35/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
88483
165.35/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
165.35/Each
1/4" FNPT PVC Constant Flow Valve with EPDM Seals- 2 GPM
88484
165.35/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
165.35/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1/4 GPM
88485
187.07/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
187.07/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1/2 GPM
88486
187.07/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
187.07/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals - 3/4 GPM
88487
187.07/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
187.07/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1 GPM
88488
187.07/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
187.07/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
88489
187.07/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
187.07/Each
3/8" FNPT PVC Constant Flow Valve with EPDM Seals- 2 GPM
88490
187.07/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
187.07/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals- 1/4 GPM
88491
167.76/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
167.76/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals- 1/2 GPM
88492
167.76/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
167.76/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals- 3/4 GPM
88493
167.76/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
167.76/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals- 1 GPM
88494
167.76/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
167.76/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals- 1.5 GPM
88495
167.76/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
167.76/Each
1/2" FNPT PVC Constant Flow Valve with EPDM Seals-  2 GPM
88496
167.76/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
167.76/Each
3/4" FNPT PVC Constant Flow Valve with EPDM Seals- 3 GPM
88497
172.59/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
172.59/Each
3/4" FNPT PVC Constant Flow Valve with EPDM Seals- 4 GPM
88498
172.59/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
172.59/Each
3/4" FNPT PVC Constant Flow Valve with EPDM Seals- 5 GPM
88499
172.59/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
172.59/Each
3/4" FNPT PVC Constant Flow Valve with EPDM Seals- 6 GPM
88694
172.59/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
172.59/Each
3/4" FNPT PVC Constant Flow Valve with EPDM Seals- 7 GPM
88695
172.59/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
172.59/Each
3/4" FNPT PVC Constant Flow Valve with EPDM Seals- 8 GPM
88696
172.59/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
172.59/Each
1" FNPT PVC Constant Flow Valve with EPDM Seals- 5 GPM
88697
190.69/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
190.69/Each
1" FNPT PVC Constant Flow Valve with EPDM Seals- 6 GPM
88698
190.69/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
190.69/Each
1" FNPT PVC Constant Flow Valve with EPDM Seals- 7 GPM
88699
190.69/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
190.69/Each
1" FNPT PVC Constant Flow Valve with EPDM Seals- 8 GPM
88700
190.69/Each
Save 5%2+
Save 10%4+
Save 15%12+
P-475
190.69/Each