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CEJN
Connections for Fluid Applications

Connections for Fluid Applications

Product catalog summary

Overview
CEJN is a prominent manufacturer of high-quality fluid couplings used across various industries such as petrochemical, pharmaceutical, and paint. Their products are recognized for reliability, high flow capacity, and user-friendliness, available in brass or stainless steel, with options for valved or valveless configurations, and capable of handling pressures up to 200 bar (2900 PSI).

Product Range

Classic Range: Offers over 14 series of couplings for low- and medium-pressure applications, available in different materials and seal options.
Non-Drip Range: Prevents fluid leakage during disconnection, ensuring safety and cleanliness.
Complementary Products: Includes accessories and components to enhance coupling systems.

Technical Specifications
CEJN couplings are rigorously tested for defect-free performance, featuring innovative valve designs for superior flow capacity with minimal pressure drop. They offer various sealing materials like nitrile, Viton®, and EPDM, with customization options available.

Series Highlights

Series 141: Miniature couplings for dental and medical equipment, with one-hand operation and Viton® and EPDM seals.
Series 220/221, 225: Suitable for injection molding lines, with valved and valveless options, max pressure 35 bar (508 PSI).
Series 321: High flow capacity for fluid applications, max pressure 35 bar (508 PSI), nickel-plated brass.
Series 322: High-pressure couplings for cleaning lines, max pressure 200 bar (2900 PSI).
Series 324: Max pressure 35 bar (508 PSI), flow capacity 42 l/min.

Certifications
CEJN is ISO 9001 certified since 1995 and ISO 14001 certified since 2006, ensuring quality management and environmental responsibility.

Global Presence
CEJN operates globally with headquarters in Sweden and sales offices in multiple countries worldwide.

Technical Specifications
CEJN's modular couplings offer adaptability with single shutoff, double shutoff, and straight-through configurations, supporting pressures up to 20 bar (290 PSI) and temperatures up to 315°C (600°F). Materials include nickel-plated brass and AISI 316 stainless steel, with seal options like nitrile, Viton®, EPDM, and Kalrez®.

Flow Capacity and Pressure Ratings
Flow capacities are measured at a 4 bar pressure drop, with DN sizes ranging from 4 to 19 mm. Max working pressure is 20 bar, burst pressure 80 bar.

Product Features
Non-drip modular couplings minimize spillage, with valved and valveless options, suitable for low-pressure applications.

Materials and Seal Options
Available in nickel-plated brass and stainless steel, with seal options including NBR, Viton®, EPDM, and Kalrez®.

Additional Products
CEJN offers connectors, adapters, bushings, and plugs for compressed air and liquid applications, with a max pressure of 35 bar (507 PSI).

Hose Specifications
CEJN's polyurethane hose is suitable for water and compressed air, with a working pressure of up to 10 bar, temperature range -30°C to +60°C.

Flow and Pressure Calculations
Includes formulas for flow rates and pressure drops, with conversion factors for PSI, bar, and l/min.

CEJN Pre-applied Thread Sealant
A dry, non-hardening sealant approved for gas and water, vibration-resistant, solvent-free, withstands pressures up to 150 bar and temperatures up to 150°C.

Maintenance Tips
Recommendations include keeping couplings clean and dry, avoiding impacts, checking seals and moving parts, and avoiding over-torquing.

Technical Data
Lists specifications such as water flow, sound level, working pressure, burst pressure, weight, temperature range, and nominal flow diameter.

Conversion Tables and Formulas
Provides conversion tables for pressure, flow, volume, force, mass, torque, and length.

Connections and Thread Standards
Outlines connection types and thread standards, including R/Rc, G, and NPT threads.

Additional Products
Further information on CEJN products is available through their website or local representatives.

Catalog excerpts

Connections for Fluid Applications The Optimum Choice for Performance, Convenience and Safety Fluids

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2 CEJN reserves the right to make product changes without further notification.

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3 05 CEJN – Your Reliable Partner for High- Quality Fluid Couplings 07 Overview – CEJN Fluid Couplings 08 Product Range - Classic Range 22 Product Range - Non-Drip Range 24 complementary products 26 facts and figures Content Reliable, High-Flow Couplings for a Wide Range of Fluid Applications Available in brass or stainless steel, valved or valveless – up to 200 bar (2900 PSI )

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5 CEJN Corporate Headquarter CEJN AB Skövde, Sweden CEJN Sales Offices: CEJN Norden AB Skövde, Sweden CEJN Denmark Aps Esbjerg, Denmark CEJN Product GmbH Troisdorf, Germany CEJN France S.A.S Paris, France CEJN AG Cham, Switzerland CEJN Italy S.R.L. Milan, Italy CEJN Ibérica S.L. Barcelona, Spain CEJN Industrial Corporation Chicago, USA CEJN Do Brasil LTDA Curitiba, Brazil CEJN Australia PTY Limited Sydney, Australia CEJN japan Corporation Tokyo, Japan CEJN Products Far East PTE LTD . Singapore City, Singapore CEJN Products Far East CO, LTD . Seoul, Korea CEJN Shanghai Fluid Systems CO LTD Shanghai,...

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8 141 10 141 1001 5.0 mm (3/16") NBR 52.0 12.0 - 10 141 1201 G 1/8" NBR 43.5 15.0 13 10 141 1251 G 1/8'' NBR 40.0 12.7 11 10 141 1451 NPT 1/8" NBR 35.0 12.7 11 10 141 5000 3.0 mm (1/8'') - 32.0 7.0 - 10 141 5001 5.0 mm (3/16'') - 40.5 7.0 - 10 141 5201 G 1/8'' - 30.0 13.9 12 10 141 5451 NPT 1/8" - 31.0 12.7 11 Nipples (valveless) Couplings (valved) Hose connections Female thread Male thread Hose connection Female thread Male thread Part No. Connection Seals L ength D ia. Hex. Thread connections are listed according to ISO Standards. See Page 30 for additional information. All measurements are...

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9 22.. 10 220 1001 5.0 mm (3/16'') NBR 47.4 19.6 17 10 220 1002 6.3 mm (1/4'') NBR 47.4 19.6 17 10 220 1003 8.0 mm (5/16'') NBR 50.4 19.6 17 10 220 1004 10.0 mm (3/8'') NBR 50.4 19.6 17 10 220 1151 R 1/8'' NBR 39.4 19.6 17 10 220 1152 R 1/4'' NBR 42.9 19.6 17 10 220 1154 R 3/8'' NBR 41.4 19.6 17 10 220 1451 NPT 1/8" NBR 37.9 19.6 17 10 220 1452 NPT 1/4" NBR 42.4 19.6 17 10 220 1201 G 1/8'' NBR 38.9 19.6 17 10 220 1202 G 1/4'' NBR 42.9 19.6 17 10 220 1204 G 3/8'' NBR 44.4 23.1 20 10 220 1402 NPT 1/4" NBR 42.9 19.6 17 10 225 1202 G 1/4'' NBR 42.9 19.6 17 10 221 5009* 5.0 mm (3/16'') - 36.0 11.0...

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10 321 10 321 1002 6.3 mm (1/4'') NBR 67.0 23.4 19 10 321 1003 8.0 mm (5/16'') NBR 69.5 23.4 19 10 321 1004 10.0 mm (3/8'') NBR 70.0 23.4 19 10 321 1005 13.0 mm (1/2'') NBR 68.0 23.4 19 10 321 1062 8x12 mm NBR 68.0 23.4 20/19 10 321 1066 11x16 mm NBR 68.0 27.7 24/24 10 321 1152 R 1/4'' NBR 63.0 23.4 20 10 321 1154 R 3/8'' NBR 61.0 23.4 20 10 321 1155 R 1/2'' NBR 55.5 25.4 22 10 321 1254 G 3/8'' NBR 56.5 23.4 20 10 321 1452 NPT 1/4'' NBR 62.0 23.4 20 10 321 1202 G 1/4'' NBR 60.0 23.4 20 10 321 1204 G 3/8'' NBR 60.0 23.4 20 10 321 1205 G 1/2'' NBR 59.5 28.9 25 10 321 1402 NPT 1/4'' NBR 59.0 23.4...

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11 321 10 321 1044 8.0 mm (5/16'') FPM 67.5 23.4 19 10 321 1045 13.0 mm (1/2'') FPM 65.5 23.4 19 10 321 1294 G 3/8'' FPM 54.0 23.4 20 10 321 1244 G 3/8'' FPM 57.5 23.4 20 Series 321 Long 35 bar (508 PSI) – 78 l/min (17.1 GPM UK) Technical Data Material: Nickel-plated brass Flow capacity at 4 bar pressure drop: 78 l/min (17.1 GPM UK) Max. working pressure: 35 bar (508 PSI) Min. burst pressure: 140 bar (2030 PSI) Temperature range FPM: -15°C to +100°C (+5°F to +212°F) Nominal flow diameter: 7.4 mm (9/32") Kv (Cv): 2.34 (2.72) Couplings (valved) Hose connection Male thread Female thread Part No....

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12 322 10 322 0252 G 1/4'' NBR 46.7 23.4 20 10 322 0254 * G 3/8'' NBR 48.2 23.4 20 10 322 0255 * G 1/2'' NBR 50.2 25.4 22 10 322 0297 * ** G 3/8'' FPM 48.2 23.4 20 10 322 1252 G 1/4'' FPM 55.3 23.4 20 10 322 1202 G 1/4'' NBR 56.8 23.4 20 10 322 1204 G 3/8'' NBR 56.8 25.4 22 10 322 1404 NPT 3/8'' NBR 55.8 25.4 22 10 322 0202 G 1/4'' NBR 48.7 23.4 20 10 322 0212 G 1/4'' FPM 48.7 23.4 20 10 322 0204 G 3/8'' NBR 49.7 25.4 22 10 322 0214 G 3/8'' FPM 49.7 25.4 22 10 322 0402 NPT 1/4'' NBR 55.7 23.4 20 10 322 5162 R 1/4'' - 38.5 16.2 14 10 322 5164 R 3/8'' - 40.5 19.6 17 10 322 5252 G 1/4'' - 35.5 16.2...

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13 324 10 324 1002 6.0 mm (1/4'') NBR 66.3 23.4 20 10 324 1003 8.0 mm (5/16'') NBR 68.3 23.4 20 10 324 1004 10.0 mm (3/8'') NBR 67.3 23.4 20 10 324 1005 13.0 mm (1/2'') NBR 66.3 23.4 20 10 324 1152 R 1/4'' NBR 59.3 23.4 20 10 324 1154 R 3/8'' NBR 58.3 23.4 20 10 324 1155 R 1/2'' NBR 51.8 25.4 22 10 324 1202 G 1/4'' NBR 56.3 23.4 20 10 324 1204 G 3/8'' NBR 56.3 25.4 22 10 324 1205 G 1/2'' NBR 60.3 28.9 25 10 324 1212 G 1/4'' FPM 56.3 23.4 20 10 324 1222 G 1/4'' EPDM 56.3 23.4 20 10 324 1402 NPT 1/4'' NBR 56.3 23.4 20 10 324 6202 G 1/4'' NBR 52.1 23.1 20 10 324 6212 G 1/4'' FPM 52.1 23.1 20 10...

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14 326 10 326 1202 G 1/4'' NBR 51.3 24.3 21 10 326 1204 G 3/8'' * NBR 54.8 25.4 22 10 326 1212 G 1/4'' FPM 51.3 24.3 21 10 326 1214 G 3/8'' * FPM 54.8 25.4 22 10 326 6202 G 1/4'' NBR 52.1 22.0 19 10 326 6204 G 3/8'' NBR 54.1 25.4 22 10 326 6212 G 1/4'' FPM 52.1 22.0 19 10 326 6214 G 3/8'' FPM 54.1 25.4 22 10 326 5232 G 1/4'' - 37.5 19.6 17 Nipples Couplings (valved) Female thread (* 9 mm) Female thread (valved) Female thread (valveless) Part No. Connection S eals Length D ia. Hex. Thread connections are listed according to ISO Standards. See Page 30 for additional information. All measurements...

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15 411 10 411 1003 8.0 mm (5/16") NBR 73.8 27.7 24 10 411 1004 10.0 mm (3/8") NBR 72.8 27.7 24 10 411 1005 13.0 mm (1/2") NBR 71.3 27.7 24 10 411 1006 16.0 mm (5/8") NBR 72.3 27.7 24 10 411 1007 19.0 mm (3/4") NBR 70.3 27.7 24 10 411 1066 11x16 mm NBR 78.6 27.7 24 10 411 1154 R 3/8" NBR 63.8 27.7 24 10 411 1155 R 1/2" NBR 66.3 27.7 24 10 411 1157 R 3/4" NBR 59.8 31.2 27 10 411 1204 G 3/8" NBR 58.3 27.7 24 10 411 1205 G 1/2" NBR 63.3 28.9 25 10 411 1207 G 3/4" NBR 60.3 37.0 32 10 411 5004 10.0 mm (3/8") - 46.5 17.0 - 10 411 5005 13.0 mm (1/2") - 46.0 17.0 - 10 411 5006 16.0 mm (5/8") - 48.5 21.0...

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Connections for Fluid Applications

Connections for Fluid Applications

Catalog excerpts

All CEJN catalogs and technical brochures