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Parker FS Series

For the complete product listing, please view Catalog 3800 - Quick Coupling Products (19.9 MB PDF).

FS Series Stainless Steel

Flush Face Valves, Chemical Compatibility

Parker FS Series Stainless Steel

FS Series dry disconnect couplings are ideal for closed system transfer and dispensing of chemicals and other fluids. The flush valves eliminate spillage and air inclusion when connecting and disconnecting to result in minimal environmental contamination.

Applications: Chemical dispensing systems, Chemical processing, Food processing, Corrosive media transfer

Features:

  • Flush, non-spill valves enable ease of cleaning
  • 316 stainless steel material for chemical compatibility
  • Push to connect operation
  • Fluorocarbon standard seal material with options available

FS Series Specifications

Body Size Rated Pressure Rated Flow Spillage (ml) Max. Air Inclusion (ml) Max CV
inches (psi) (gpm) per disconnect per connect
1/4 2000 3 .015 .0100.90
3/8 2000 6 .015 .0201.80
1/2 2000 12 .020 .0703.00
3/4 2000 28 .150 .1007.00
1 2000 50 .250 .18210.1

Temperature Range (Continuous)

Part No. Seal Suffix Seal Compound TempĀ° F Rating
None Fluorocarbon -15 to 400
E5 Ethylene Propylene (EPR) -65 to 300
E1 Nitrile -40 to 250
E35 Perfluoroelastomer -20 to 600

FF Series Couplers - Female Thread

Parker FS Series Couplers
Body Size Part Number Port End Length Largest Diameter Wrench Flats Weight
inches (lbs.)
1/4 FS-251-4FP 1/4-18 NPT 1.79 1.061.000.25
1/4 FS-251-4MP 1/4-18 NPTF 2.00 1.061.000.25
1/4 FS-251-6FO 9/16-18UNF 1.92 1.061.000.24
3/8 FS-371-6FP 3/8-18 NPT 2.52 1.301.060.58
3/8 FS-371-8FO 3/4-16 UNF 2.83 1.301.060.63
1/2 FS-501-8FP 1/2-14 NPT 2.74 1.581.380.92
1/2 FS-501-10FO 7/8-14 UNF 2.86 1.581.380.96
3/4 FS-751-12FP 3/4-14 NPT 3.63 1.991.752.00
3/4 FS-751-12FO 1-1/16-12 UNF 3.73 1.991.752.04
1 FS-1001-16FP 1-11 1/2 NPT 4.14 2.251.872.76
1 FS-1001-16FO 1-5/16-12 UNF 4.24 2.251.872.80

FS Series Nipples - Female Thread

Parker FS Series Nipples
Body Size Part Number Port End Length Exposed Length Largest Diameter Wrench Flats Weight
inches (lbs.)
1/4 FS-252-4FP 1/4-18 NPT 1.66 1.14 1.061.000.18
1/4 FS-252-4MP 1/4-18 NPTF 1.87 1.34 1.061.000.18
1/4 FS-252-6FO 9/16-18 UNF 1.78 1.26 1.061.000.17
3/8 FS-372-6FP 3/8-18 NPT 2.31 1.71 1.080.940.26
3/8 FS-372-8FO 3/4-16 UNF 2.45 1.71 1.191.060.30
1/2 FS-502-8FP 1/2-14 NPT 2.75 2.03 1.301.12 0.44
1/2 FS-502-10FO 7/8-14 UNF 2.85 2.11 1.301.12 0.48
3/4 FS-752-12FP 3/4-14 NPT 3.38 2.37 1.651.501.02
3/4 FS-752-12FO 1-1/16-12 UNF 3.38 2.37 1.651.501.02
1 FS-1002-16FP 1-11 1/2 NPT 3.89 2.60 2.171.871.60
1 FS-1002-16FO 1-5/16 12 UNF 3.89 2.51 2.171.871.64