Pneumatic Products, eSafe Couplings & Nipples

Series 300 eSafe, DN 5.5

  • Vented safety function
  • High flow capacity
  • Strong and durable

Series 300 eSafe couplings offer high flow and require only a low connection force, which ensures a safe working environment. eSafe is a one hand operated safety coupling that vents before disconnection eliminating the risk of hose whip. Male threads on the couplings and nipples feature pre-applied thread sealant. A fully automatic operation ensures quick and easy handling. eSafe complies with ISO Standard 4414 and EN 983.


Series 300 is also available in standard, Soft-Line and Multi-Link versions.

Series 300 eSafe, DN 5.5
Technical data
Nominal flow diameter: 5.5 mm (7/32")
Air flow: 1050 l/min (37.1 CFM)
Max. working pressure: 16 bar (232 PSI)
Min. burst pressure: 140 bar (2030 PSI)
Connection force: 86 N
Temperature range: -20°C — +100°C (-4°F — +212°F)
Material coupling: Zinc-plated steel/brass
Material nipple: Hardened zinc-plated steel
Interchangeable with: Parker Rectus 14/22, Prevost ASI06, Hansen 210, Orion 44150/44515.
Standards: ARO 210 Standard, 5.5 mm
Markets: Benelux, North America, Switzerland

Flow capacity is measured at 6 bar (87 PSI) inlet pressure, and pressure drop at 0.5 bar (7 PSI)

Air Flow
Pressure drop, bar (PSI)
Series 300 eSafe, DN 5.5
Flow, l/min. (CFM)
eSafe vented safety coupling Part No. Connection
Hose connection 10 300 20021030020026.3 mm (1/4")
 10 300 20031030020038 mm (5/16")
 10 300 20091030020099 mm
 10 300 200410300200410 mm (3/8")
 10 300 200510300200513 mm (1/2")
Male thread 10 300 2152103002152R 1/4"
 10 300 2154103002154R 3/8"
 10 300 2155103002155R 1/2"
 10 300 2452103002452NPT 1/4"
 10 300 2454103002454NPT 3/8"
 10 300 2455103002455NPT 1/2"
Female thread 10 300 2202103002202G 1/4"
 10 300 2204103002204G 3/8"
 10 300 2205103002205G 1/2"
 10 300 2402103002402NPT 1/4"
 10 300 2404103002404NPT 3/8"
 10 300 2405103002405NPT 1/2"
Stream-Line connection 10 300 20581030020585 x 8 mm
 10 300 20601030020606.5 x 10 mm
 10 300 20621030020628 x 12 mm
 10 300 20631030020639.5 x 13.5 mm
 10 300 206610300206611 x 16 mm


eSafe Soft-Line coupling Part No. Connection
Stream-Line connection 10 300 20801030020806.5 x 10 mm
 10 300 20821030020828 x 12 mm


Nipples Part No. Connection
Hose connection 10 300 50021030050026.3 mm (1/4")
 10 300 50031030050038 mm (5/16")
 10 300 500410300500410 mm (3/8")
Male thread 10 300 5151103005151R 1/8"
 10 300 5152103005152R 1/4"
 10 300 5154103005154R 3/8"
 10 300 5155103005155R 1/2"
 10 300 5451103005451NPT 1/8"
 10 300 5452103005452NPT 1/4"
 10 300 5454103005454NPT 3/8"
Female thread 10 300 5201103005201G 1/8"
 10 300 5202103005202G 1/4"
 10 300 5204103005204G 3/8"
 10 300 5401103005401NPT 1/8"
 10 300 5402103005402NPT 1/4"
 10 300 5404103005404NPT 3/8"
Stream-Line connection 10 300 50581030050585 x 8 mm
 10 300 50601030050606.5 x 10 mm
 10 300 50621030050628 x 12 mm
 10 300 50631030050639.5 x 13.5 mm
 10 300 506610300506611 x 16 mm


Check with an authorized CEJN distributor for availability and prices. Other connections and sealing material on request. Some part numbers may be subject to minimum order quantities. CEJN reserves the right to make changes without further notification. Thread connections are listed according to ISO Standards.

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