Air relief couplings

	Air relief couplings DN 7.2 SEK type Extremely compact, one-hand air relief couplings with double locking system for maximum safety. Connection: Similar to standard couplings, simply by pressing the plug into the coupling. Disconnection: The first locking mechanism is accessible when the sleeve is pushed back. The coupling valve closes. Air can then then be relieved from the plug side (hose). The plug is completely released by pulling the sleeve. The coupling can now be disconnected.
	Operating pressure:		0 to 8 bar, maximum static working pressure (non-pulsating)
	Medium and ambient temperature:		-20 °C to +100 °C
	Flow rate:		1100 l/min (at Δp = 0.5 bar)
	Valve body:		Nickel-plated brass
	Sleeve:		Nickel-plated brass
	Valve:		Brass
	Springs, balls:		Stainless steel
	Stems and plugs:		Hardened, nickel-plated steel
	Seal:		NBR

249.94 249.103	Air relief couplings DN 7.2
	Art. No.	Fitting	Length	a/f	Price €
	249.92	G 1/4 male	44	22	14,40
	249.93	G 3/8 male	44	22	14,40
	249.94	G 1/2 male	47	34	14,90
	249.96	G 1/4 female	46	22	14,40
	249.97	G 3/8 female	46	22	14,40
	249.98	G 1/2 female	49	24	14,90
	249.101	Fitting, I.D. 6	60	22	14,90
	249.102	Fitting, I.D. 8	60	22	14,90
	249.103	Fitting, I.D. 9	60	22	14,90
	249.104	Fitting, I.D. 10	60	22	14,90
	249.105	Fitting, I.D. 13	60	22	14,90

243.06 ST 243.50 ST	Stems and plugs, steel
	Art. No.	Designation			Price €
	243.06 ST	Stem, I.D. 6			1,48
	243.07 ST	Stem, I.D. 9			1,48
	243.10 ST	Stem, I.D. 13			1,48
	243.50 ST	Plug G 1/4 male			1,88
	243.51 ST	Plug G 3/8 male			1,88
	243.52 ST	Plug G 1/2 male			1,88
	243.55 ST	Plug G 1/4 female			1,88
	243.56 ST	Plug G 3/8 female			1,88
	243.57 ST	Plug G 1/2 female			1,88

	Air relief couplings DN 7.4 KE type One-hand air relief couplings with double locking system. Connection: Similar to standard couplings, simply by pressing the plug into the coupling. Disconnection: The first locking mechanism is accessible when the sleeve is pushed back. The coupling valve closes. Air can then then be relieved from the plug side (hose). The second locking mechanism is released by actuating the sleeve again. The coupling can now be disconnected. This system meets the requirements of ISO 4414 and is BIA-compliant (BIA = industrial safety institute).
	Operating pressure:		8 bar, maximum static working pressure (non-pulsating)
	Medium and ambient temperature:		-20 °C to +60 °C
	Housing and valve body:		Nickel-plated brass
	Valve:		Brass
	Sleeve:		Plastic
	Springs, retaining ring, pins and balls:		Stainless steel
	Seal:		Perbunan
	Flow rate (air) p = 6 bar / Δp = 0.5 bar:		1000 l/min

	Air relief couplings DN 7.4
	Art. No.	Fitting	Length	Price €
249.72	249.61	1/4 male	55	15,75
	249.62	3/8 male	55	15,75
	249.63	1/2 male	58	15,75
	249.71	1/4 female	57	15,75
	249.72	3/8 female	57	15,75
249.81	249.73	1/2 female	60	15,75
	249.81	Fitting, I.D. 6	71	15,75
	249.82	Fitting, I.D. 8	71	15,75
	249.83	Fitting, I.D. 9	71	15,75
	249.84	Fitting, I.D. 10	71	15,75
	249.85	Fitting, I.D. 13	71	15,75

	Stems and plugs
	Art. No.	Designation	Price €
243.06-ST 243.50-ST	243.06 ST	Stem, I.D. 6	1,48
	243.07 ST	Stem, I.D. 9	1,48
	243.10 ST	Stem, I.D. 13	1,48
	243.50 ST	Plug G 1/4 male	1,88
	243.51 ST	Plug G 3/8 male	1,88
	243.52 ST	Plug G 1/2 male	1,88
	243.55 ST	Plug G 1/4 female	1,88
	243.56 ST	Plug G 3/8 female	1,88
	243.57 ST	Plug G 1/2 female	1,88

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