DN14 (Series 667)

Available files for download

Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings without valve	Female thread	G 3/4"	106670200
Couplings without valve	Female thread	3/4" NPT	106670400
Couplings with valve	Female thread	G 3/4"	106671200
Couplings with valve	Female thread	3/4" NPT	106671400
Nipples without valve	Female thread	G 3/4"	106675200
Nipples without valve	Female thread	3/4" NPT	106675400
Nipples with valve	Female thread	G 3/4"	106676200
Nipples with valve	Female thread	3/4" NPT	106676400

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Fluid Products

Non-Drip Brass Couplings & Nipples

DN14 (Series 667)

Non-Drip design
Unlimited combination possibilities
Different safety levels to avoid mixing media

With unlimited combination possibilities, CEJN Series 667 non-drip modular couplings are adaptable to virtually all applications and system requirements. The Non-Drip design of the Series ensures practically zero spillage and eliminates pollution and air inclusion during connection and disconnection. The Series is available in three configurations: straight through, single shut-off and double shut-off. Series 667 is also available with color-coding and/or key coding for extra safety. Optional seal material upon request.

The Series is also available in four other sizes: Series 267, 467, 567 and 767. Please refer to Series 677 for a stainless steel version. For other sizes in stainless steel, refer to Series 277, 477, 577 and 777.

Download drawings/3dmodels

Technical data
Nominal flow diameter:	14.0 mm (9/16")
Water flow (double shut-off):	168 l/min (37.0 GPM UK)
Water flow (single shut-off):	193 l/min (42.5 GPM UK)
Water flow (straight through):	413 l/min (90.9 GPM UK)
Max. working pressure:	20 bar (290 PSI)
Min. burst pressure:	80 bar (1160 PSI)
Temperature range:	-15°C — +100°C (5°F — +212°F)
Material coupling:	Nickel-plated brass
Material nipple:	Nickel-plated brass
Comment:	Single shut-off must utilize valved coupling and valveless nipple
Kv (double shut-off):	5.04
Cv (single shut-off):	6.73

Flow capacity is measured at 4 bar (58 PSI) pressure drop.

Fluid Flow

Pressure drop, bar (PSI)

Flow, l/min. (GPM UK)

Black: Double shut-off, Grey: Single shut-off, Light grey: Straight through

Couplings without valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	106670200	G 3/4"	NBR	74.7	41	36
	106670400	3/4" NPT	NBR	72.2	41	36

Couplings with valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	106671200	G 3/4"	NBR	74.7	41	36
	106671400	3/4" NPT	NBR	72.2	41	36

Nipples without valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	106675200	G 3/4"	NBR	66	36	34
	106675400	3/4" NPT	NBR	63	36	34

Nipples with valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	106676200	G 3/4"	NBR	66	36	34
	106676400	3/4" NPT	NBR	63	36	34

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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DN14 (Series 667)

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Non-Drip Brass Couplings & Nipples

DN14 (Series 667)

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