DN19 (Series 777)

Available files for download

Category	Class	Connection	Article Nr	Model Files (.stp)	Drawing Files (.pdf)
Couplings without valve	Female thread	G 1"	107770210
Couplings without valve	Female thread	NPT 1"	107770410
Couplings with valve	Female thread	G 1"	107771210
Couplings with valve	Female thread	NPT 1"	107771410
Nipples without valve	Female thread	G 1"	107775210
Nipples without valve	Female thread	NPT 1"	107775410
Nipples with valve	Female thread	G 1"	107776210
Nipples with valve	Female thread	NPT 1"	107776410

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Fluid Products

Non-Drip Stainless Steel Couplings & Nipples

DN19 (Series 777)

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

With unlimited combination possibilities, CEJN Series 777 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 777 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 277, 477, 577 and 677. Please refer to Series 767 for an all brass version. For other sizes in brass, refer to Series 267, 467, 567 and 667.

Download drawings/3dmodels

Technical data
Nominal flow diameter:	19.0 mm (3/4")
Water flow (double shut-off):	306 l/min (67.3 GPM UK)
Water flow (single shut-off):	334 l/min (73.5 GPM UK)
Water flow (straight through):	803 l/min (176.7 GPM UK)
Max. working pressure:	20 bar (290 PSI)
Min. burst pressure:	80 bar (1160 PSI)
Temperature range:	-5°C — +205°C (23°F — +401°F)
Material coupling:	Stainless steel, AISI 316
Material nipple:	Stainless steel, AISI 316
Comment:	Single shut-off must utilize valved coupling and valveless nipple
Kv (double shut-off):	9.18
Cv (single shut-off):	11.7

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	107770210	G 1"	FPM	82.3	52	46
	107770410	NPT 1"	FPM	79.3	52	46

Couplings with valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	107771210	G 1"	FPM	82	52	46
	107771410	NPT 1"	FPM	79	52	46

Nipples without valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	107775210	G 1"	FPM	67.5	44	41
	107775410	NPT 1"	FPM	64.5	44	41

Nipples with valve	Part No.	Connection	Seal	Length	Diameter	Hexagon
Female thread	107776210	G 1"	FPM	67.5	44	41
	107776410	NPT 1"	FPM	64.5	44	41

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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DN19 (Series 777)

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Non-Drip Stainless Steel Couplings & Nipples

DN19 (Series 777)

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