Safeflow Safety Couplings

Taking PCL's industry-proven, Airflow coupling to the next level, Safeflow Safety Couplings offers all of the features of its predecessor.

A robust, steel construction, ideal for engineering and workshop environments.

Safeflow Safety Couplings fits the standard PCL adaptor profile, and is therefore compatible with most existing equipment, and has been manufactured in accordance with safety standard ISO 4414:2010.

Available with various thread forms and integral hose tails, Safeflow features a hard-wearing steel construction with corrosive resistance finish, providing both flexibility and longer life.

In short, Safeflow represents maximum safety for a minimum outlay, and as with all PCL products it offers the highest quality at an affordable price, with an unbeatable, patented design.

Features & Benefits

  • Two stage self-venting release
  • Creates a safe compressed air environment
  • Compatible with genuine PCL standard adaptors
  • Safe and simple to use
  • Best practice for compressed air users
  • Enhances workshop safety - prevents hose whip
  • Genuine PCL product, designed and manufactured in Sheffield, England
  • Affordable safety solution
  • Patent design


  • Conforms toISO 4414:2010


  • Nominal Bore4.8 mm
  • Maximum Flow Rate43 cfm(1)
  • Temperature Range-40°C to 100°C
  • Maximum Working Pressure200 psi / 14 bar
  • TypeDual Safety Action
  • (1) - @ 100 psi

Product Information

Part NumberDescriptionThread TypeThread Size
SC21CMSafeflow Safety CouplingMaleR 1/4
SC21EMSafeflow Safety CouplingMaleR 3/8
SC21JMSafeflow Safety CouplingMaleR 1/2
SC21CFSafeflow Safety CouplingFemaleRp 1/4
SC21EFSafeflow Safety CouplingFemaleRp 3/8
SC21JFSafeflow Safety CouplingFemaleRp 1/2
SC21RSafeflow Safety CouplingHose Tailpiecefor 7mm (1/4 in) hose
SC21SSafeflow Safety CouplingHose Tailpiecefor 8mm (5/16 in) hose
SC21TSafeflow Safety CouplingHose Tailpiecefor 10mm (3/8 in) hose

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