LOGIC CARTRIDGE VALVE LC80A05D6X/V

Manufacturer: Bosch Rexroth

Material #: R900496956

Model : LC80A05D6X/V

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Bosch Rexroth directly.***
The Bosch Rexroth LC80A05D6X/V (R900496956) is a high-performance industrial hydraulic valve designed for bidirectional flow control in a compact block design. This spool type AD cartridge valve allows for reliable switching of the oil flow direction, as indicated by its spool symbol AD. With hydraulic actuation, it ensures precise operation and is suitable for applications requiring pressure, directional, and throttle functions or a combination thereof. The LC80A05D6X/V features a maximum operating pressure and offers a maximum flow rate, making it suitable for various hydraulic systems. The valve's connection type is cartridge with an ISO standardized connection diagram, ensuring compatibility with a wide range of equipment. It has multiple switching positions and comes with FKM seals that are compatible with hydraulic fluids such as HL, HLP, HLPD, HVLP, HVLPD, HETG, HEES, HEPG, HFDU, and HFDR. Designed to be installed into the control block's receiving hole and closed with a cover that also connects to the pilot control valves, this valve is part of Bosch Rexroth's standard series Size Component series X. Its construction includes a control cover containing control bores and an installation kit comprising elements like bushing and valve poppet which can be supplied either with or without damping nose depending on the requirement. The way cartridge valves' function is pressure-dependent with three critical pressurized areas (A1, A2 & A3), which contribute to its functionality in both opening and closing directions. The valve can facilitate flow from A to B or B to A without leakage when pressurized correctly. The LC80A05D6X/V also features different area ratios for varying annulus areas and cracking pressures which enhances its versatility in application scenarios.

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LOGIC CARTRIDGE VALVE LC80A05D6X/V

Size 80, bidirectional (A → B, B → A), hydraulically actuated, spool type AD

Industrial hydraulic valve in a high performance range. Reliable switching of the oil flow direction according to hydraulic symbol

Unpacked Weight: 12.000 kg

Valve poppet with or without damping nose 2 area ratios 6 different cracking pressures

2-way cartridge valves are elements that have been designed for a compact block design. The power section with connections A and B is installed into the control block in a receiving hole standardized according to ISO 7368 and closed with a cover. In most cases, the cover is also the connection from the control side of the power section to the pilot control valves.

By control with respective pilot control valves, the power section can be applied for pressure, directional and throttle functions or a combination of these functions. Particularly efficient solutions are realized by adjustment of the size to various flows of the individual ways of an actuator. The application of power sections of elements for multiple functions is very cost-effective.

2-way cartridge valves generally consist of control cover (1) and installation kit (2). The control cover contains the control bores and optionally a stroke limitation function, a hydraulically controlled directional seat valve or a shuttle valve according to the required overall function. Additionally, electrically operated directional spool or seat valves can be installed at a control cover. The installation kit consists of a bushing (3), ring (4) (only up to NG32), valve poppet (5), optionally with damping nose (6) or without damping nose (7) as well as closing spring (8).

The function of 2-way cartridge valves is pressure-dependent. This way, three crucial pressurized areas are realized for the function. A1, A2, A3. The area at valve seat A1 is observed as 100 %. Depending on the version, the annulus area A2 realized by grading is 7 % or 50 % of area A1. The area ratio A1 : A2 is respectively either 14.3 : 1 or 2 : 1. The area A3 is identical to the sum of areas A1 + A2. Due to the different area ratios A1 : A2 and the resulting different annulus areas (A2), the area A3 is one time 107 % and another time 150 % of the area A1 at the seat, which is observed as 100 %.

In general, the following applies:

The areas A1 and A2 are effective in opening direction. The area A3 and the spring are effective in closing direction. The direction of action of the resulting force from the opening and closing forces determines the spool position of the 2-way cartridge valve.

The 2-way cartridge valves can be passed from A to B or from B to A. Pressurization of area A3 by pilot oil discharge from channel B or external pilot oil supply, channel A is blocked without leakage.

Industrial hydraulic valve in a high performance range
Reliable switching of the oil flow direction according to hydraulic symbol
With overlap
Annulus area B=50 %
Standard series
Component series 6X, 2X, 7X
Maximum flow 25000 l/min
Size 16 … 160
Maximum operating pressure 420 bar

Data Sheet	Download Data Sheet
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual
Manual	Download Manual

Spool symbol	Symbol A5D
Max. pressure	420
Productgroup ID	9,10,11,12,13,14
Type of actuation	with hydraulic actuation
Size	80
Max. flow	6050
Type of connection	Cartridge valve
Connection diagram	ISO 7368
Number of switching positions	2
Weight	12.000
Seals	FKM
Hydraulic fluid	HL,HLP,HLPD,HVLP,HVLPD,HETG,HEES,HEPG,HFDU,HFDR

01	02	03	04	05	06		07
LC						/

Type
01	Cartridge valve	LC
Size
02	Size 16	16
	Size 25	25
	Size 32	32
	Size 40	40
	Size 50	50
	Size 63	63
	Size 80	80
	Size 100	100
	Size 125	125
	Size 160	160
Spool design 1)
03	A1 : A2 = 2 : 1 (A2 = 50 %)	A
03	A1 : A2 = 14.3 : 1 (A2 = 7 %)	B
Cracking pressure
04	0 bar (without spring)	00
	approx. 0.5 bar	05
	approx. 1 bar	10
	approx. 2 bar	20
	approx. 3 bar (NG125 only)	30
	approx. 4 bar (not NG125)	40
Damping
05	Valve poppet without damping nose	E
05	Valve poppet with damping nose	D
Component series
06	Component series 70 ... 79 (70 ... 79: unchanged installation and connection dimensions) 2)	7X
	Component series 60 … 69 (60 … 69: unchanged installation and connection dimensions) 3)	6X
	Component series 20 ... 29 (20 ... 29: unchanged installation and connection dimensions) 4)	2X
Seal material
07	NBR seals	no code
	FKM seals	V
	Observe compatibility of seals with hydraulic fluid used. (Other seals upon request)

1)	See "Product description"
2)	Size 16 ... 63
3)	Size 80 ... 100
4)	Size 125 ... 160

general

Size			16	25	32	40	50	63	80	100	125	160
Weight		kg	0.25	0.5	1.1	1.9	3.9	7.2	13	27	44	75
Ambient temperature range	NBR seals	°C	-30 … +60
Ambient temperature range	FKM seals	°C	-20 … +60
MTTFD values according to EN ISO 13849 1)		Years	150

1)	For further details, see data sheet 08012

hydraulic

Size			16	25	32	40	50	63	80	100	125	160
Maximum operating pressure 1)	Port A	bar	315 350 420
	Port B	bar	315 350 420
Maximum flow 2)		l/min	25000
Hydraulic fluid			see table "Hydraulic fluid"
Hydraulic fluid temperature range	NBR seals	°C	-30 … +80
	FKM seals	°C	-20 … +80
Viscosity range		mm²/s	2.8 … 500
Maximum admissible degree of contamination of the hydraulic fluid, cleanliness class according to ISO 4406 (c) 3)			Class 20/18/15

1)	dependent on the attached directional valve
2)	NG-dependent; see characteristic curves
3)	The cleanliness classes specified for the components must be adhered to in hydraulic systems. Effective filtration prevents faults and simultaneously increases the life cycle of the components. For the selection of the filters, see www.boschrexroth.com/filter.

Hydraulic fluid		Classification	Suitable sealing materials	Standards	Data sheet
Mineral oils		HL, HLP, HLPD, HVLP, HVLPD	NBR, FKM	DIN 51524	90220
Bio-degradable 1)	Insoluble in water	HETG	NBR, FKM	ISO 15380	90221
		HEES	FKM
	Soluble in water	HEPG	FKM	ISO 15380
Flame-resistant	Water-free	HFDU (glycol base)	FKM	ISO 12922	90222
		HFDU (ester base) 1)	FKM
	Containing water 1)	HFC (Fuchs Hydrotherm 46M, Petrofer Ultra Safe 620)	NBR	ISO 12922	90223
Important information on hydraulic fluids: For more information and data on the use of other hydraulicfluids, please refer to the data sheets above or contact us. There may be limitations regarding the technical valve data (temperature, pressure range, life cycle, maintenance intervals, etc.). Flame-resistant - containing water: Life cycle as compared to operation with mineral oil HL, HLP 30 … 100%. Maximum hydraulic fluid temperature 60 °C Bio-degradable and flame-resistant: If this hydraulic fluid is used, small amounts of dissolved zinc may get into the hydraulic system.

1)	Not recommended for corrosion-protected version "J3" (contains zinc)

Size of the annulus area

Surface in cm2	Version	Size
Surface in cm2	Version	16	25	32	40	50	63	80	100	125	160
A1	LC..A..	1,89	4,26	6,79	11,1	19,63	30,02	37,9	63,6	95	160,6
A1	LC..B..	2,66	5,73	9,51	15,55	26,42	41,28	52,8	89,1	133,7	224,8
A2	LC..A..	0,95	1,89	3,39	5,52	8,64	14,0	18,84	31,4	48	79,9
A2	LC..B..	0,18	0,43	0,67	1,07	1,85	2,90	3,94	5,9	9,3	15,7
A3	LC..A..	2,84	6,16	10,18	16,62	28,27	44,2	56,74	95	143	240,5
A3	LC..B..	2,84	6,16	10,18	16,62	28,27	44,2	56,74	95	143	240,5

Spool form (damping nose)

		Version	Size
		Version	16	25	32	40	50	63	80	100	125	160
Stroke	cm	LC..E..	0,9	1,17	1,4	1,7	2,1	2,3	2,4	3,0	3,8	5,0
Stroke	cm	LC..D..	0,9	1,17	1,4	1,9	2,3	2,8	3,0	3,8	4,8	6,5
Pilot volume	cm3	LC..E..	2,56	7,21	14,3	28,3	59,4	102	136	285	544	1203
Pilot volume	cm3	LC..D..	2,56	7,21	14,3	31,6	65,0	124	170	361	687	1563
Theoretical pilot flow 1)	l/min	LC..E..	15,4	43,3	86	170	356	612	816	1710	3264	7218
Theoretical pilot flow 1)	l/min	LC..D..	15,4	43,3	86	190	390	744	1020	2166	4122	9378

1)	Theoretical pilot flow for realization of a switching time of 10 ms

Notice:

Spools with damping nose are mainly used in applications with stroke limitation and spool position monitoring. Due to the better flow values, we recommend the spool without damping nose by default.

Cracking pressure in bar

	Version	Size
	Version	16	25	32	40	50	63	80	100	125	160
Direction of flow A to B	LC..A 00..	0,02	0,025	0,05	0,05	0,05	0,07	0,07	0,1	0,15	0,15
	LC..A 05..	0,35	0,35	0,36	0,35	0,37	0,31	0,44	0,43	0,43	0,45
	LC..A 10..	0,70	0,68	0,72	0,71	0,67	0,64	0,88	0,88	0,88	–
	LC..A 20..	2,03	2,18	2,12	2,02	2,01	2,0	1,75	1,75	1,76	1,94
	LC..A 30..	–	–	–	–	–	–	–	–	2,05	–
	LC..A 40..	3,50	3,90	3,80	4	4,11	3,8	3,13	3,04	–	4,42
	LC..B 00..	0,014	0,02	0,035	0,035	0,035	0,05	0,05	0,07	0,1	0,1
	LC..B 05..	0,25	0,26	0,26	0,25	0,28	0,23	0,31	0,31	0,31	0,32
	LC..B 10..	0,49	0,50	0,51	0,51	0,48	0,47	0,63	0,63	0,62	–
	LC..B 20..	1,44	1,62	1,52	1,44	1,5	1,5	1,26	1,25	1,25	1,4
	LC..B 30..	–	–	–	–	–	–	–	–	1,45	–
	LC..B 40..	2,48	2,90	2,70	2,86	3,05	2,8	2,25	2,17	–	3,35
Direction of flow B to A	LC..A 00..	0,04	0,05	0,1	0,1	0,1	0,14	0,14	0,2	0,30	0,33
	LC..A 05..	0,69	0,78	0,72	0,7	0,84	0,68	0,88	0,88	0,86	0,91
	LC..A 10..	1,38	1,53	1,42	1,43	1,47	1,37	1,77	1,78	1,73	–
	LC..A 20..	4,05	4,91	4,25	4,06	4,57	4,33	3,53	3,54	3,50	3,9
	LC..A 30..	–	–	–	–	–	–	–	–	4,0	–
	LC..A 40..	6,96	8,74	7,6	8,05	9,34	8,15	6,3	6,2	–	8,76
	LC..B 00..	0,24	0,25	0,5	0,5	0,5	0,8	0,7	1,0	1,5	1,5
	LC..B 05..	3,69	3,40	3,64	3,64	3,95	3,27	4,2	4,6	4,4	4,6
	LC..B 10..	7,43	6,69	7,24	7,37	6,88	6,62	8,4	9,4	8,9	–
	LC..B 20..	21,3	21,5	21,6	20,9	21,4	20,9	16,9	18,7	17,9	20
	LC..B 30..	–	–	–	–	–	–	–	–	20,7	–
	LC..B 40..	36,6	38,3	38,6	41,5	43,6	39,4	30,2	32,5	–	44,7

For applications outside these parameters, please consult us!

(simulated with HLP46, ϑoil = 40±5 °C)

Without damping nose "E", A → B

Without damping nose "E", B → A

With damping nose “D”, A → B

With damping nose "D", B → A

Notice:

The specified characteristic curves were simulated with 100% spool stroke and an aligned socket (see sketch under recommended socket alignment). The simulation results were validated by measurement results. The basis was an installation geometry with ØD3* (see installation under dimensions) and a simulation model according to ISO 4411/2008-10-01.

Recommended socket alignment:

Size 16...32

Bore on bore

Size 40 ... 160

Bar on bore

Version "E"		Version “D”

Area ratio A1 : A2 = 2 : 1 Version "…A.E…"	Area ratio A1 : A2 = 14,3 : 1 Version "…B.E…"	Area ratio A1 : A2 = 2 : 1 Version "…A.D…"	Area ratio A1 : A2 = 14,3 : 1 Version "…B.D…"

Additional functions with special numbers see "Information".

Installation bore according to ISO 7368

Dimensions in mm

1	Depth of fit
2	Port B may be positioned around the central axis of port A. However, it must be observed that the mounting bores and the control bores are not damaged.

NG		16	25	32	40	50	63	80	100	125	160
ØD1H7	mm	32	45	60	75	90	120	145	180	225	300
ØD2	mm	16	25	32	40	50	63	80	100	150 1)	200 1)
ØD3	mm	16	25	32	40	50	63	80	100	125	160
(ØD3*) 2)	mm	25	32	40	50	63	80	100	125	160	250
ØD4H7	mm	25	34	45	55	68	90	110	135	200	270
H1	mm	42.5	57	68.5	84.5	97.5	127	170.5	205.5	255	368
H2	mm	56	72	85	105	122	155	205	245	300	425
H2	mm	+ 0.1	+ 0.1	+ 0.1	+ 0.1	+ 0.1	+ 0.1	+ 0.1	+ 0.1	+ 0.15	+ 0.15
H3	mm	43	58	70	87	100	130	175	210	257	370
H3	mm	+ 0.2	+ 0.2	+ 0.2	+ 0.3	+ 0.3	+ 0.3	+ 0.4	+ 0.4	+ 0.5	+ 0.5
H5	mm	11	12	13	15	17	20	25	29	31	45
H6	mm	2	2.5	2.5	3	3	4	5	5	7	8
H6	mm	-	-	-	-	-	-	-	-	± 0.5	± 0.5
H7	mm	20	30	30	30	35	40	40	50	40	50
H8	mm	2	2.5	2.5	3	4	4	5	5	5.5	5.5
H8	mm	-	-	-	-	-	-	-	-	± 0.2	± 0.2
W	mm	0.05	0.05	0.1	0.1	0.1	0.1	0.1	0.1	0.1	0.1
Ro 1)	mm	2	2	2	4	4	4	4	4	4	6.3
Ru 1)	mm	1	1	1	1	1	1	1	1	1	1

1)	Maximum dimension
2)	Due to the use of a bore with ØD3, port B protrudes over the upper limit of the area intended in ISO 7368. This is, however, possible due to the sealing concept and reduces the pressure loss during flow through the valve. Thus, we recommend a bore with ØD3.

Additional functions with special numbers (upon request)

Symbol	Type (examples)	Size	Description / special characteristic
	LC . A..D7X/-004	16 ... 50	With piston sealing (leakage-free) Larger spring installation space Special cover or intermediate cover "D19" required NG16 … 40: only with cracking pressure approx. 4 bar NG50 and 63: cracking pressure approx. 2 bar or higher; alternatively "without spring"
	LC . A..E7X/-004	16 ... 50
	LC . B..E7X/-004	16 ... 63
	LC . A..D6X/-104	80, 100	With piston sealing (leakage-free) as SO-004, however, no special cover required
	LC . A..E6X/-104	80, 100
	LC . B..E6X/-104	80, 100
	LC . A..D7X/-104	40 … 63
	LC . A..E7X/-104	40 … 63
	LC . A..E2X/-104	125, 160
	LC . A05D6X/-054	16	Pulling logic with open zero position Special cover (e.g. "D54") required
	LC . A20D6X/-054	25 ... 32
	LC . A05E6X/-054	16
	LC . A..E6X/-054	25 ... 80
	LC ./100 A20E6X/-054	32, 100
	LC . B05E6X/-054	12
	LC . B20E6X/-054	25
	LC . A20D7X/-054	50
	LC . A40D7X/-054	63
	LC . A20E7X/-054	50
	LC . A..E7X/-054	63
	LC …7X/-135	16 … 40	Larger spool clearance
	LC …7X/-146	16 … 40	Larger spool clearance With piston sealing (leakage-free) Larger spring installation space Special cover or intermediate cover "D19" required
	LC . A..D7X/-R10	16	As standard, however, larger bushing outer diameter D1 and D4 1 mm
	LC . A20D7X/-R10	25
	LC 1. A40E7X/-R10	16, 32
	LC . A..E7X/-R10	25, 63
	LC . A10E7X/-R10	40
	LC . A05E7X/-R10	50
	LC . B..D7X/-R10	25
	LC . B10D7X/-R10	32
	LC . B40E7X/-R10	25, 40
	LC . B..E7X/-R10	50, 63
	LC . A..D7X/-R20	16	As standard, however, larger bushing outer diameter D1 and D4 2 mm
	LC . A20D7X/-R20	25
	LC 1. A40E7X/-R20	16, 32
	LC . A..E7X/-R20	25, 63
	LC . A10E7X/-R20	40
	LC . A05E7X/-R20	50
	LC . B..D7X/-R20	25
	LC . B10D7X/-R20	32
	LC . B40E7X/-R20	25, 40
	LC . B..E7X/-R20	50, 63
	LC . XAB00E-7X/	16 … 63	Blind element without spool Channel A - B connected For use with available LFA cover or in connection with a cover "LFA . D-7X/FX99"
	LC . XAF00E-7X/	16 … 63	Blind element without spool Channel A - F connected Channel B closed For use with available LFA cover or in connection with a cover "LFA . D-7X/FX99"
	LC . X00E-7X/	16 … 63	Blind element without spool All channels blocked For use with available LFA cover or in connection with a cover "LFA . D-7X/FX99"