Relief Valve Compressed Air DF61 1/4" - 1" BSPT

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Description

The Dereve DF61 or 6100 series safety relief valve with atmospheric discharge is suitable for compressed air or inert gases.

This valve is widely used on compressed air cylinders and pressure vessels and is available with 1/4", 3/8", 1/2", 3/4" & 1" BSPT Connections and has discharge capacity ranging from 10 to 466 l/s.

Certain set pressure and connections sizes only are listed here. Other connection size and set pressure combinations are avilable on request - these valves are UK manufactured and lead time is normally a few days.

All safety valves in the DF61 range are PED approved and CE marked.

The safety valves are supplied with a test certificate which shows the batch number which is also stamped on the valve. An example of the test certificate is availabe in the datasheets section on this webpage.

This relief valve has lifting knob easing gear - this allows the user or an inspector to lift the valve by hand and prove that it is functioning and not siezed shut.

Capacity shown is for air at 15 deg C in std litres/second at 10% over the set pressure and is a guide only.

Available on request:

De-greased valve for oxygen duty

At Northern Compressed Air we specialise in safety relief valves for many different applications - whatever your requirements please contact us and a member of our team will be happy to help.

Technical Details

Material:	Brass construction with stainless steel springs
Temperature:	+180 deg C Max
Manufacturers ref:	Series DF61

Datasheets

Relief Valve Compressed Air DF61 1/4 - 1 BSPT datasheet

Series DF61 Datasheet

DF61_sample_certificate

Prices (Click quantity for more availability info)

	Setting	Capacity	Order Code	Available	Each
1/4" BSPT
	9.0 bar	67 l/s	122667	1	£75.38
3/8" BSPT
	6.9 bar	55 l/s	122668	1	£79.15
	9.0 bar	-	147646	1	£79.15
	11.0 bar	81 l/s	122669	2	£79.15
	15.0 bar	108 l/s	122670	4	£79.15
	16.0 bar	115 l/s	147641	2	£79.15
1/2" BSPT
	3.0 bar	27 l/s	147642	1	£88.92
	5.0 bar	40 l/s	106731	1	£88.92
	5.3 bar	42 l/s	147643	4	£88.92
	5.5 bar	44 l/s	106747	2	£88.92
	7.0 bar	54 l/s	147200	3	£88.92
	7.9 bar	59 l/s	106732	2	£88.92
	8.6 bar	64 l/s	106733	2	£88.92
	9.7 bar	72 l/s	106734	3	£88.92
	10.0 bar	74 l/s	106749	0	£88.92
	11.0 bar	81 l/s	106748	6	£88.92
	11.2 bar	83 l/s	106735	4	£88.92
	12.0 bar	88 l/s	122665	2	£88.92
	13.0 bar	94 l/s	106750	2	£88.92
	16.0 bar	108 l/s	122662	4	£88.92
3/4" BSPT
	5.0 bar	60 l/s	106736	1	£108.23
	5.3 bar	65 l/s	147644	8	£108.23
	7.9 bar	89 l/s	106737	2	£108.23
	8.6 bar	96 l/s	106738	1	£108.23
	9.7 bar	107 l/s	106739	2	£108.23
	11.2 bar	122 l/s	106740	2	£108.23
	14.0 bar	145 l/s	147645	1	£108.23
	16.0 bar	161 l/s	122663	1	£108.23
1" BSPT
	5.0 bar	97 l/s	106741	2	£136.87
	7.9 bar	144 l/s	106742	1	£136.87
	8.6 bar	155 l/s	106743	1	£136.87
	9.7 bar	172 l/s	106744	2	£136.87
	11.2 bar	198 l/s	106745	2	£136.87
	12.0 bar	211 l/s	122666	2	£136.87

(All Prices Exclude VAT)

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Relief Valve Compressed Air DF61 1/4" - 1" BSPT