Danfoss VDB 06-EN Technical Information

Sequence Valves Technical Information

Unloading Valve, Differential Area, Pilot Operated

VDB 06-EN

OPERATION

This is a pilot-operated unloading valve.

Schematic

SPECIFICATIONS	Theoretical performance
	psi	bar		26 mm²/sec (cSt) [124 SUS] @ 50°C [122° F]
			40
	500
	400		30
	300		20		Piloted open
	200							Specifications
			10
	100							Rated pressure	350 bar [5075 psi]
	0		0					Rated flow	80 l/min
									[21 US gal/min]
			l/min	20	40	60	80
								Weight	0.21 kg [0.46 lb]
			0	5	10	15	20
								Cavity	NCS06/3
	Flow		US gal/min
DIMENSIONS	Cross-sectional view
mm [in]
	27 mm

44-50 N·m	M 22 x 1.5
[32-37 lbf·ft]

1

	3	2
88.0		62.0
[3.47]		[2.44]

ORDERING

INFORMATION

VDB 06-EN - 2 - A - SE3/8 - V

Seals

Seal kit

Setting range

V = Viton

230000110

1 = 25 - 140 bar [362 - 2031 psi]

Omit = Buna-N 230000070

2 = 70 - 210 bar [1015 - 3046 psi]

Housing and po rts

Housing P/N

3 = 105 - 350 bar [15235076 psi]

00

= No Housing

No Housing

Pilot ratio

SE3/8

= AL, 3/8 BSP

NCS06/3-SE-3/8

SE1/2

=

AL, ½ BSP

NCS06/3-SE-1/2

A = 7.1 :1

SE6S

=

AL, #6 SAE

NCS06/3-SE-6S

B = 4.1 :1

SE8S

=

AL, #8 SAE

NCS06/3-SE-8S

E = 1 :1	Other housings available

To order this valve with a speci c factory setting, contact your Danfoss ICS representative

BC332375508106en-000101 • February 2020

SQ - 21