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QF Series Quick Connect Couplings
QF Series Quick Connects provide full flow connections for applications having up-stream and down-stream shut-off capabilities such s venting, draining, mixing and transfer applications.

Features

  • Full Flow Design
  • Pressure:   Up to 6000 psig (413 bar)
  • Temperature: -30 to 400° F (-34 to 204° C
  • Flow Coefficient:  1.7 - 45
  • Sizes:  ¼ to 1 inch
  • Materials:
    • Body: 316 SS, Brass
    • Oring: NBR and FKM
  • End Connections:
    • Types: Tube Fittings, NPT, BSPT, BSPP
    • Sizes: ¼ to 1 in. and 6 mm (tube fitting only)


QF Series Quick Connects Options and Accessories

The online catalog contains the most popular Quick Connects.  Other options and accessories are available including:

  • Safety Locks
    Safety locks prevent accidental coupling and uncoupling. They can be used as part of a plant's Lockout/Tagout program. Safety locks can be ordered for 1/4”, 3/8”, 1/2” and 3/4” bodies.
  • Caps and plugs
    Use SSP stem plugs and body caps to protect against damage and contaminants when SSP Full Flow Quick Connects are uncoupled. Body caps and stem plugs are pressure containing. They can be used to retain system pressure.To order, select a basic ordering number and add the suffi x 316 for stainless steel or -B for brass. Example: QF4-SP-316
  • Buna and FKM O-Rings
High-Flow Quick Connects
QF-Stem-MNPT-Line
Unit of Measure
1 2 

Part #

CAD

Body Material

End Connection Type

End Connection Size

Stem Type

Stem Size

Cv

Orifice

O-ring Material

Product Descriptions

End Connection Type

A_NUM

F_NUM

QF4-S-6PM-B N/A CAD Icon (for items table) N/A Brass N/A #4 Stem - Full Flow N/A 1/4 in N/A Male National Pipe Thread N/A 3/8-18 N/A 1.7 N/A 0.24 in6.096 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Male NPT N/A Male National Pipe Thread N/A 1.59 in40.4 mm N/A 0.6875 in17.4625 mm
QF4-S-6PM-316 N/A CAD Icon (for items table) N/A 316 SS N/A #4 Stem - Full Flow N/A 1/4 in N/A Male National Pipe Thread N/A 3/8-18 N/A 1.7 N/A 0.24 in6.096 mm N/A FKM N/A Full Flow Quick Connect Stem Male NPT N/A Male National Pipe Thread N/A 1.59 in40.4 mm N/A 0.6875 in17.4625 mm
QF4-S-D4-B N/A CAD Icon (for items table) N/A Brass N/A #4 Stem - Full Flow N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 2.2 N/A 0.19 in4.826 mm N/A Nitrile Buna Rubber N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.77 in45.0 mm N/A 0.5625 in14.2875 mm
QF4-S-D4-316 N/A CAD Icon (for items table) N/A 316 SS N/A #4 Stem - Full Flow N/A 1/4 in N/A Duolok Tube Fitting N/A 1/4 in N/A 2.2 N/A 0.19 in4.826 mm N/A FKM N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.77 in45.0 mm N/A 0.5625 in14.2875 mm
QF4-S-D6-B N/A CAD Icon (for items table) N/A Brass N/A #4 Stem - Full Flow N/A 1/4 in N/A Duolok Tube Fitting N/A 3/8 in N/A 2.8 N/A 0.24 in6.096 mm N/A Nitrile Buna Rubber N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.77 in45.0 mm N/A 0.6875 in17.4625 mm
QF4-S-D6-316 N/A CAD Icon (for items table) N/A 316 SS N/A #4 Stem - Full Flow N/A 1/4 in N/A Duolok Tube Fitting N/A 3/8 in N/A 2.8 N/A 0.24 in6.096 mm N/A FKM N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.77 in45.0 mm N/A 0.6875 in17.4625 mm
QF4-S-DM6-B N/A CAD Icon (for items table) N/A Brass N/A #4 Stem - Full Flow N/A 1/4 in N/A Duolok Tube Fitting N/A 6mm N/A 2.2 N/A 0.19 in4.826 mm N/A Nitrile Buna Rubber N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.77 in45.0 mm N/A 0.5625 in14.2875 mm
QF8-S-6PF-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Female National Pipe Thread N/A 3/8-18 N/A 7.1 N/A 0.47 in11.938 mm N/A FKM N/A Full Flow Quick Connect Stem Female NPT N/A Female National Pipe Thread N/A 1.59 in40.4 mm N/A 1.0625 in26.9875 mm
QF8-S-6PM-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Male National Pipe Thread N/A 3/8-18 N/A 7.1 N/A 0.41 in10.414 mm N/A FKM N/A Full Flow Quick Connect Stem Male NPT N/A Male National Pipe Thread N/A 1.65 in41.9 mm N/A 0.875 in22.225 mm
QF8-S-8FRS-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Female BSPP N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Female ISO Parallel N/A Female British Standard Pipe Parallel N/A 1.82 in46.2 mm N/A 1.0625 in26.9875 mm
QF8-S-8FRS-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Female BSPP N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A FKM N/A Full Flow Quick Connect Stem Female ISO Parallel N/A Female British Standard Pipe Parallel N/A 1.82 in46.2 mm N/A 1.0625 in26.9875 mm
QF8-S-8FRT-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Female BSPT N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Female ISO Tapered N/A Female British Standard Pipe Tapered N/A 1.82 in46.2 mm N/A 1.0625 in26.9875 mm
QF8-S-8MRS-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Male BSPP N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Male ISO Parallel N/A Male British Standard Pipe Parallel N/A 1.82 in46.2 mm N/A 1.0625 in26.9875 mm
QF8-S-8MRT-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Male BSPT N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Male ISO Tapered N/A Male British Standard Pipe Tapered N/A 1.84 in46.7 mm N/A 0.875 in22.225 mm
QF8-S-8MRT-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Male BSPT N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A FKM N/A Full Flow Quick Connect Stem Male ISO Tapered N/A Male British Standard Pipe Tapered N/A 1.84 in46.7 mm N/A 0.875 in22.225 mm
QF8-S-8PF-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Female National Pipe Thread N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A FKM N/A Full Flow Quick Connect Stem Female NPT N/A Female National Pipe Thread N/A 1.82 in46.2 mm N/A 1.0625 in26.9875 mm
QF8-S-8PF-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Female National Pipe Thread N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Female NPT N/A Female National Pipe Thread N/A 1.82 in46.2 mm N/A 1.0625 in26.9875 mm
QF8-S-8PM-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Male National Pipe Thread N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A FKM N/A Full Flow Quick Connect Stem Male NPT N/A Male National Pipe Thread N/A 1.84 in46.7 mm N/A 0.875 in22.225 mm
QF8-S-8PM-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Male National Pipe Thread N/A 1/2-14 N/A 11.5 N/A 0.50 in12.7 mm N/A Nitrile Buna Rubber N/A Full Flow Quick Connect Stem Male NPT N/A Male National Pipe Thread N/A 1.84 in46.7 mm N/A 0.875 in22.225 mm
QF8-S-D6-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Duolok Tube Fitting N/A 3/8 in N/A 2.9 N/A 0.28 in7.112 mm N/A Nitrile Buna Rubber N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.88 in47.8 mm N/A 0.875 in22.225 mm
QF8-S-D6-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Duolok Tube Fitting N/A 3/8 in N/A 2.9 N/A 0.28 in7.112 mm N/A FKM N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.88 in47.8 mm N/A 0.875 in22.225 mm
QF8-S-D8-B N/A CAD Icon (for items table) N/A Brass N/A #8 Stem - Full Flow N/A 1/2 in N/A Duolok Tube Fitting N/A 1/2 in N/A 13.0 N/A 0.41 in10.414 mm N/A Nitrile Buna Rubber N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.99 in50.5 mm N/A 0.875 in22.225 mm
QF8-S-D8-316 N/A CAD Icon (for items table) N/A 316 SS N/A #8 Stem - Full Flow N/A 1/2 in N/A Duolok Tube Fitting N/A 1/2 in N/A 13.0 N/A 0.41 in10.414 mm N/A FKM N/A Full Flow Duolok End Quick Connect Stem N/A Duolok Tube End N/A 1.99 in50.5 mm N/A 0.875 in22.225 mm
Unit of Measure
1 2