Danfoss PRV08-DAC Technical Information

					Proportional Valves Technical Information
					Pressure Relieving, Direct Acting, Normally Closed
					PRV08-DAC
OPERATION
				This is a direct acting, normally closed, proportional pressure relief valve.
SPECIFICATIONS					THEORETICAL PERFORMANCE

Rated pressure	215 bar [3120 psi]
Maximum	155 bar option: 3.78 l/min [1.0 US gal/min]
recommended flow	215 bar option: 2.84 l/min [0.75 US gal/min]
Hysteresis	5% maximum
Threshold current	0 A (12 VDC coil)
	0 A (24 VDC coil
Maximum control	0.8 A (12 VDC coil)
current	0.4 A (24 VDC coil)
Standard maximum	155 bar [2250 psi]
setting options	215 bar [3120 psi]
Cavity	SDC08-2
Coil	R13 16 Watt

Note: A PWM frequency of 50 Hz is recommended for optimal performance.

SCHEMATIC

DIMENSIONS
mm [in]	Cross-sectional view
	20 mm [.79]	24 mm [0.94]
		33-38 Nm
	4-6 Nm	[24-28 ft*lb]	3/4-16 UNF
	[35-53 lbf*in]
	P/N 173800539

							Pressure vs. Current
psi			bar		33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
3000		215
2400		172			'C' Option
													12VDC, R13 coil
1800		129			'B' Option
1200		86
600		43
0																		Current
		0			0.2	0.4						0.6		0.8	1.0			Amps
					Pressure Drop (Maximum Current)
psi			bar		33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
1000		70			1					2
800		56
600		42
400		28									'C'		Option
200		14												'B' Option
0																		Flow
		0			0.8	1.6						2.4		3.2	4.0			L/min
																	US gal/min
		0			0.2	0.4						0.6		0.8	1.0
						Pressure Rise (No Current)
psi			bar		33 cSt [154 SUS] hyd.oil at 38°C [100 °F]
4000			280
3200			224
										'C' Option
2400			168
1600			112								'B' Option
800			56
0																		Flow
		0			0.4	0.8						1.2		1.6			2.0	L/min
																	US gal/min
		0			0.1	0.2						0.3		0.4	0.5

1

Optional

Filter

COIL NOT SHOWN FOR CLARITY

2

ORDERING INFORMATION

69.0					26.6
[2.72]							[1.05]

Proportional Relief Valve,

08 Size, Direct Acting, Normally Closed

Pressure Setting

Option Setting Code (10 bar inc.)

B65-155 Bar (940-2250 psi)

C155-215 Bar (2250-3120 psi)

Maximum Pressure Option

Code	Max Pressure

B155 Bar (2250 psi)

C215 Bar (3120 psi)

Adjustment Option

Code	Adjustment Option
E	External

PRV08-DAC-215-C-E-R12D-AS-B-F-S6S

Coil Voltage			Coil Termination
Description	Code		Type	Code
No Coil, with nut	R00
			AMP SuperSeal 1.5	AS
12 VDC	R12D		Deutsch	DE
24 VDC	R24D		Flying Leads	FL
			Metri-Pack 150 Type 2	M3

Housing and Ports
Code	Ports & Material				Body Nomenclature
00	Cartridge Only						No Body
4S		#4 SAE, AL					CP08-2-4S
6S		#6 SAE, AL					CP08-2-6S
DG-2B	1/4 BSP, AL				SDC08-2-DG-3B
DG-3B	3/8, BSP, AL				SDC08-2-DG-3B
S4S	#4 SAE, DUCTILE					CP08-2-S4S
S6S	#6 SAE, DUCTILE					CP08-2-S6S
		Filter Option
		Code		Option
		F		Filter
		Omit	No Filter
	Seal Option
		Code	Material				Seal Kits
		B		Buna			11191986
		V		Viton			11191987

BC332375973113en-000101 • February 2020

PV - 60