Series 320 Safety, DN 7.6

Available files for download

Category Class Connection Article Nr Model Files
(.stp) 		Drawing Files
(.pdf)
Vented Safety couplings Hose connection 6.3 mm (1/4") 103203002
/DDM Drawings/DOCS/698/STEP_10_320_3002_AA.stp
/DDM Drawings/DRAWINGS/164/D00035164.pdf
Vented Safety couplings Hose connection 10 mm (3/8") 103203004
/DDM Drawings/DOCS/700/STEP_10_320_3004_AA.stp
/DDM Drawings/DRAWINGS/892/D00035892.pdf
Vented Safety couplings Hose connection 13 mm (1/2") 103203005
/DDM Drawings/DOCS/701/STEP_10_320_3005_AA.stp

  
Vented Safety couplings Male thread R 1/4" 103203152
/DDM Drawings/DOCS/731/STEP_10_320_3152_AB.stp
/DDM Drawings/DRAWINGS/297/D00035297.pdf
Vented Safety couplings Male thread R 3/8" 103203154
/DDM Drawings/DOCS/732/STEP_10_320_3154_AB.stp
/DDM Drawings/DRAWINGS/711/D00025711.pdf
Vented Safety couplings Male thread R 1/2" 103203155
/DDM Drawings/DOCS/733/STEP_10_320_3155_AA.stp

  
Vented Safety couplings Female thread G 1/4" 103203202
/DDM Drawings/DOCS/450/STEP_10_320_3202_AB.stp
/DDM Drawings/DRAWINGS/306/D00035306.pdf
Vented Safety couplings Female thread G 3/8" 103203204
/DDM Drawings/DOCS/743/STEP_10_320_3204_AB.stp
/DDM Drawings/DRAWINGS/307/D00035307.pdf
Vented Safety couplings Female thread G 1/2" 103203205
/DDM Drawings/DOCS/744/STEP_10_320_3205_AB.stp
/DDM Drawings/DRAWINGS/308/D00035308.pdf
Vented Safety couplings Stream-Line connection 6.5 x 10 mm 103203060
/DDM Drawings/DOCS/720/STEP_10_320_3060_AB.stp
/DDM Drawings/DRAWINGS/288/D00035288.pdf
Vented Safety couplings Stream-Line connection 8 x 12 mm 103203062
/DDM Drawings/DOCS/721/STEP_10_320_3062_AB.stp
/DDM Drawings/DRAWINGS/289/D00035289.pdf
Vented Safety couplings Stream-Line connection 9.5 x 13.5 mm 103203063
/DDM Drawings/DOCS/722/STEP_10_320_3063_AB.stp
/DDM Drawings/DRAWINGS/290/D00035290.pdf
Vented Safety couplings Stream-Line connection 11 x 16 mm 103203066
/DDM Drawings/DOCS/723/STEP_10_320_3066_AB.stp
/DDM Drawings/DRAWINGS/291/D00035291.pdf
Nipples Hose connection 6.3 mm (1/4") 103205002
/DDM Drawings/DOCS/745/STEP_10_320_5002_AA.stp

  
Nipples Hose connection 8.0 mm (5/16") 103205003
/DDM Drawings/DOCS/205/STEP_10_320_5003_AA.stp
/DDM Drawings/DRAWINGS/359/D00031359.pdf
Nipples Hose connection 10.0 mm (3/8") 103205004
/DDM Drawings/DOCS/746/STEP_10_320_5004_AA.stp

  
Nipples Hose connection 13.0 mm (1/2") 103205005
/DDM Drawings/DOCS/188/STEP_10_320_5005_AA.stp

  
Nipples Male thread R 1/4" 103205152
/DDM Drawings/DOCS/419/STEP_10_320_5152_AC.stp
/DDM Drawings/DRAWINGS/072/D00025072.pdf
Nipples Male thread R 3/8" 103205154
/DDM Drawings/DOCS/177/STEP_10_320_5154_AA.stp
/DDM Drawings/DRAWINGS/501/D00025501.pdf
Nipples Male thread R 1/2" 103205155
/DDM Drawings/DOCS/189/STEP_10_320_5155_AA.stp

  
Nipples Male thread G 1/4" 103205263
/DDM Drawings/DOCS/180/STEP_10_320_5263_A.stp

  
Nipples Male thread G 3/8" 103205264
/DDM Drawings/DOCS/172/STEP_10_320_5264_A.stp

  
Nipples Male thread G 1/2" 103205265
/DDM Drawings/DOCS/173/STEP_10_320_5265_A.stp

  
Nipples Female thread G 1/4" 103205202
/DDM Drawings/DOCS/791/STEP_10_320_5202_AA.stp
/DDM Drawings/DRAWINGS/500/D00021500.pdf
Nipples Female thread G 3/8" 103205204
/DDM Drawings/DOCS/178/STEP_10_320_5204_AA.stp
/DDM Drawings/DRAWINGS/355/D00027355.pdf
Nipples Female thread G 1/2" 103205205
/DDM Drawings/DOCS/179/STEP_10_320_5205_AA.stp

  
Nipples Female thread 1/8" NPT 103205401
/DDM Drawings/DOCS/174/STEP_10_320_5401_A.stp

  
Nipples Female thread 1/4" NPT 103205402
/DDM Drawings/DOCS/175/STEP_10_320_5402_A.stp

  
Nipples Stream-Line connection 6.5x10 mm 103205060  
/DDM Drawings/DRAWINGS/653/D00024653.pdf
Nipples Stream-Line connection 8x12 mm 103205062
/DDM Drawings/DOCS/232/STEP_10_320_5062_AA.stp
/DDM Drawings/DRAWINGS/658/D00024658.pdf
Nipples Stream-Line connection 9.5x13.5 mm 103205063  
/DDM Drawings/DRAWINGS/383/D00024383.pdf
Nipples Stream-Line connection 11 x 16 mm 103205066
/DDM Drawings/DOCS/233/STEP_10_320_5066_AA.stp
/DDM Drawings/DRAWINGS/914/D00016914.pdf
Vented Safety Couplings Hose connection 8 mm (5/16") 103203003
/DDM Drawings/DOCS/699/STEP_10_320_3003_AB.stp
/DDM Drawings/DRAWINGS/283/D00035283.pdf

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Pneumatic Products

Safety Couplings & Nipples

Series 320 Safety, DN 7.6

  • Extremely high flow capacity
  • Easy to connect
  • Strong and durable

The Series 320 Vented Safety is a universal, pneumatic coupling suitable for a variety of applications. It features the original high-flow valve design upon which all other CEJN pneumatic couplings are based. Their popularity has made Series 320 a European standard. The Series is easy-to-handle, one-hand operated and offers long service life. Male threads on the couplings and nipples feature pre-applied thread sealant. The Vented Safety version disconnects in two stages in order to vent, minimize the risk of sudden component separation, reduce noise, and prevent recoil accidents. Full automatic operation ensures easy handling. CEJN Vented Safety couplings are compliant with several international safety standards, e.g. ISO Standard 4414 and EN 983.


Series 320 is also available in Standard, Lightweight, Soft-Line and Multi-Link versions.

Technical data
Nominal flow diameter: 7.6 mm (5/16Inch)
Air flow: 1900 l/min (67.1 CFM)
Max. working pressure: 16 bar (230 PSI)
Min. burst pressure: 64 bar (930 PSI)
Connection force: 64.0 N
Temperature range: -20°C — +80°C (-4°F — +176°F)
Material coupling: Zinc-plated steel/brass
Material nipple: Hardened zinc-plated steel
Interchangeable with: Rectus 25/26, Tema 1600/1625, Prevost ESC07/ERC07/ESI07/ISC08, Oetiker SC C, Hansen Auto-Flo 24

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)

Flow, l/min. (CFM)
Vented Safety couplings Part No. Connection
Hose connection 1032030026.3 mm (1/4")
 10320300410 mm (3/8")
 10320300513 mm (1/2")
 1032030038 mm (5/16")
Male thread 103203152R 1/4"
 103203154R 3/8"
 103203155R 1/2"
 103203452NPT 1/4"
 103203454NPT 3/8"
 103203455NPT 1/2"
Female thread 103203202G 1/4"
 103203204G 3/8"
 103203205G 1/2"
 103203402NPT 1/4"
 103203404NPT 3/8"
 103203405NPT 1/2"
Stream-Line connection 1032030606.5 x 10 mm
 1032030628 x 12 mm
 1032030639.5 x 13.5 mm
 10320306611 x 16 mm


Soft-Line couplings, Vented Safety Part No. Connection
Stream-Line connection 1032030806.5 x 10 mm
 1032030828 x 12 mm
 10320308511 x 16 mm
Hose connection 10320308610.0 mm (3/8")
 10320308713.0 mm (1/2")


Nipples Part No. Connection
Hose connection 1032050015.0 mm (3/16")
 1032050026.3 mm (1/4")
 1032050038.0 mm (5/16")
 10320500410.0 mm (3/8")
 10320500513.0 mm (1/2")
 1032050099.0 mm
Male thread 103205151R 1/8"
 103205152R 1/4"
 103205154R 3/8"
 103205155R 1/2"
 103205263G 1/4"
 103205264G 3/8"
 103205265G 1/2"
 1032054511/8" NPT
 1032054521/4" NPT
 1032054543/8" NPT
 1032054551/2" NPT
Female thread 103205201G 1/8"
 103205202G 1/4"
 103205204G 3/8"
 103205205G 1/2"
 1032054011/8" NPT
 1032054021/4" NPT
 1032054043/8" NPT
Stream-Line connection 1032050585x8 mm
 1032050606.5x10 mm
 1032050628x12 mm
 1032050639.5x13.5 mm
 10320506611 x 16 mm


Thread connections are listed according to ISO Standards. All measurements are in mm. Check with an authorized CEJN distributor for availability and prices.

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