LFA16D-7X/FX15
Manufacturer: Bosch Rexroth
Material #: R900975750
Model : LFA16D-7X/FX15
***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 LFA16D-7X/FX15 (R900975750) is a sophisticated way cartridge valve designed for seamless integration into compact block systems. This particular model is engineered to facilitate a variety of functions including pressure, directional, and throttle control by being paired with appropriate pilot control valves. The versatility of the LFA16D-7X/FX15 allows for efficient customization to match the flow requirements of different actuators, offering a cost-effective solution for multi-functional applications.
The valve system comprises a control cover and an installation kit. The control cover includes necessary control bores and may feature additional elements like stroke limitation, hydraulically controlled directional seat valves, or shuttle valves depending on the overall function needed. For further functionality, electrically operated directional spool or seat valves can be mounted onto the control cover. The installation kit contains components such as a bushing, ring (applicable up to NG size), valve poppet (with or without damping nose), and closing spring.
Operationally, the LFA16D-7X/FX15's function is pressure-dependent with three significant pressurized areas labeled A1, A2, and A3. These areas are essential in determining the valve's operation; A1 and A2 contribute to the opening force while A3 along with the spring aid in closing. The resultant force from these actions dictates the spool position within the valve.
Designed for optimal performance, this model features remote control port capabilities and adheres to standard series sizes and component series X specifications. It can withstand a maximum operating pressure of bar and facilitates a maximum flow rate of l/min. With its robust design, this way cartridge valve ensures non-leaking blockage when channel A is pressurized via pilot oil discharge from channel B or through an external pilot oil supply, making it an integral component for advanced hydraulic systems requiring precise fluid control.
$253.00 USD
More are expected on October 21, 2025
Note: Sales tax, shipping, and applicable tariffs will be calculated at checkout.| Qty | Price | Savings |
|---|---|---|
| 5+ | $246.67 USD | $6.33 USD |
Status: This product is temporarily out of stock.
Qty: Delivered as early as October 21, 2025 when ordered in
This product is eligible for factory repair.
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.
Type LFA . D…/F
Type LFA . D…/FX**
Size 16 ... 63
Dimensions in mm
|
1 |
Name plate at NG16, 25 |
|
2 |
Name plate at NG32 |
|
3 |
Name plate at NG40, 50, 63 |
|
4 |
Port X optionally as threaded port |
|
NG |
D1 |
D2 |
H1 |
H2 |
H3 |
H4 |
▢ L1 |
L2 |
L3 |
T1 |
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
|||
| 16 | G 1/8 | M6 | 27 | 12 | 15 | 8 | 65 | 32.5 | 4 | 8 |
| 25 | G1/4 | M6 | 30 | 16 | 24 | 12 | 85 | 42.5 | 5 | 12 |
| 32 | G1/4 | M6 | 35 | 16 | 28 | 16 | 100 | 50 | 5 | 12 |
| 40 | G1/2 | M8 x 1 | 60 | 30 | 32 | - | 125 | 72 | 5 | 14 |
| 50 | G1/2 | M8 x 1 | 68 | 32 | 34 | - | 140 | 80 | 5 | 14 |
| 63 | G3/4 | G3/8 | 82 | 40 | 50 | - | 180 | 90 | 5 | 16 |
Size 80 ... 160
Dimensions in mm
|
NG |
D1 |
D2 |
D3 |
H1 |
H2 |
H3 |
H4 |
L3 |
T1 |
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
|||
| 80 | 250 | G3/8 | G3/4 | 70 | 35 | 45 | - | 3 | 16 |
| 100 | 300 | G1/2 | G1 | 75 | 40 | 52.5 | 24 | 3 | 18 |
| 125 | 380 | G1 | G1 1/4 | 105 | 50 | 61 | 31 | 4 | 20 |
| 160 | 480 | G1 | G1 1/4 | 147 | 70 | 74 | 42 | 4 | 20 |
Mounting screws (included in scope of delivery)
|
Hexagon socket head cap screws ISO 4762 - 10.9-flZn/nc/480h/C 1) |
||
|
Size |
Quantity |
Tightening torque MA in Nm ±10 % |
|
16 |
4 |
30 |
|
25 |
4 |
100 |
|
32 |
4 |
240 |
|
40 |
4 |
480 |
|
50 |
4 |
480 |
|
63 |
4 |
1600 |
|
80 |
8 |
800 |
|
100 |
8 |
1600 |
|
125 |
8 |
3100 |
|
160 |
12 |
5000 |
| 1) | Hexagon socket head cap screws UNC, see data sheet 08936 |
Notices:
The specified tightening torques stated are guidelines when using screws with the specified friction coefficients and when using a manual torque wrench (tolerance ± 10%). The specified tightening torques were calculated with total friction coefficient μtotal = 0.09 ... 0.14; adjust in case of modified surfaces. Supplied mounting screws are only suitable for direct assembly on a block. If an intermediate cover is used, mounting screws have to be designed accordingly longer.Connection dimensions according to ISO 7368
Size 16 ... 63
Dimensions in mm
Size 80 ... 100
Dimensions in mm
|
NG |
16 | 25 | 32 | 40 | 50 | 63 | 80 | 100 | 125 | 160 | |
|
ØD5 1) |
M8 | M12 | M16 | M20 | M20 | M30 | M24 | M30 | - | - | |
|
ØD6 |
mm |
4 | 6 | 8 | 10 | 10 | 12 | 16 | 20 | - | - |
|
ØD7H13 |
mm |
4 | 6 | 6 | 6 | 8 | 8 | 10 | 10 | - | - |
|
H4 |
mm |
20 | 25 | 35 | 45 | 45 | 65 | 50 | 63 | - | - |
|
L1 |
mm |
65 80 |
85 - |
102 - |
125 - |
140 - |
180 - |
250 - |
300 - |
- - |
- - |
|
L2 |
mm |
46 - |
58 - |
70 - |
85 - |
100 - |
125 - |
200 - |
245 - |
- - |
- - |
|
L3 |
mm |
23 | 29 | 35 | 42.5 | 50 | 62.5 | - | - | - | - |
|
L4 |
mm |
25 | 33 | 41 | 50 | 58 | 75 | - | - | - | - |
|
L5 |
mm |
10.5 | 16 | 17 | 23 | 30 | 38 | - | - | - | - |
| 1) | Mounting thread for version "/12" see data sheet 08936 |
Size 125
Dimensions in mm
Size 160
Dimensions in mm
|
1 |
Bore for locating pin |
|
2 |
80 mm only at control cover for directional valve set-up NG16 (axis X–Y bore) |
Notice:
The dimensions are nominal dimensions which are subject to tolerances.
Orifice symbol
|
Orifice symbol |
Ordering code |
|||
|
A** |
|
A** |
This orifice is designed as screw-type orifice. If an orifice is to be installed, the respective code letter with the orifice Ø in 1/10 mm has to be entered in the type designation. Example: A12 = Orifice with Ø1.2 mm in channel A. |
|
|
Ø1,2 |
|
This orifice is designed as bore. No specifications are made in the type designation. (Orifice Ø in mm) |
||
|
Z12 |
|
This orifice is designed as screw-type orifice. This is a standard orifice. No specifications are made in the type designation. (Orifice Ø in 1/10 mm) |
||
Additional functions with special numbers (upon request)
|
Symbol |
Type |
Size |
Description / special characteristic |
|
LFA . D9-7X/… |
16 … 63 |
Cap, blind cover |
|
LFA . D10-7X/… |
16 … 63 |
Cap, blind cover |
|
LFA . D49-7X/… |
16 … 40 |
Spacer cover Suitable for producing a measuring plate |
|
LFA . D54-6X/F |
16 ... 50 |
Cover for logic zero position open (pulling logic) |
|
LFA . D54-7X/F |
50 |
Orifice selection
Orifice selection
Orifices
|
Orifice Ø in mm |
Order numbers |
Material numbers |
||||||
|
M6 conical |
M8 x 1 conical |
G 1/8 conical |
G 1/4 conical |
G 3/8 conical |
G 1/2 conical |
G 1 conical |
||
|
– |
00 |
– |
– |
– |
– |
– |
– |
– |
|
0,5 |
05 |
R913040356 |
R913017600 |
R913030187 |
R913040456 |
– |
– |
– |
|
0,6 |
06 |
R913040358 |
R913017605 |
R913017606 |
R913020197 |
– |
– |
– |
|
0,7 |
07 |
R913040360 |
R913017609 |
R913046092 |
– |
– |
– |
– |
|
0,8 |
08 |
R913029447 |
R913017614 |
R913017616 |
R913017615 |
R913040481 |
R913040499 |
– |
|
1,0 |
10 |
R913019186 |
R913017621 |
R913024679 |
R913017622 |
R913040484 |
R913040500 |
– |
|
1,2 |
12 |
R913040362 |
R913017627 |
R913017629 |
R913017628 |
R913040486 |
R913040501 |
– |
|
1,5 |
15 |
R913028337 |
R913017637 |
R913017639 |
R913017638 |
R913040488 |
R913028317 |
– |
|
1,8 |
18 |
R913030186 |
R913017644 |
R913017646 |
R913017645 |
R913040489 |
R913045913 |
– |
|
2,0 |
20 |
R913029870 |
R913017651 |
R913040450 |
R913017652 |
R913028417 |
R913028336 |
– |
|
2,5 |
25 |
R913032543 |
R913035796 |
R913017656 |
R913019582 |
R913040493 |
R913040502 |
– |
|
3,0 |
30 |
R913040368 |
R913017661 |
R913017663 |
R913017662 |
R913018266 |
R913040503 |
R913040467 |
|
3,5 |
35 |
– |
R913017667 |
R913040452 |
R913040463 |
R913028318 |
R913019856 |
R913040469 |
|
4,0 |
40 |
– |
R913017670 |
R913027078 |
R913040464 |
R913018265 |
R913029168 |
R913040470 |
|
4,5 |
45 |
– |
R913046571 |
R913017671 |
R913040465 |
– |
R913040506 |
– |
|
5,0 |
50 |
– |
– |
R913017673 |
R913040468 |
R913023871 |
R913019857 |
R913040471 |
|
5,5 |
55 |
– |
– |
R913027077 |
– |
R913040495 |
R913053659 |
– |
|
6,0 |
60 |
– |
– |
– |
– |
R913023870 |
R913028418 |
R913020247 |
|
7,0 |
70 |
– |
– |
– |
R913040461 |
R913017675 |
R913040509 |
– |
|
7,5 |
75 |
– |
– |
– |
– |
R913023430 |
– |
R913018328 |
|
8,0 |
80 |
– |
– |
– |
– |
R913046570 |
R913040510 |
R913020246 |
|
closed |
99 |
R913019128 |
R913019129 |
R913019137 |
R913019136 |
R913019138 |
– |
R913019140 |
Plug screws
|
Thread |
Tightening torque MA in Nm ±10 % |
|
G 1/8 |
12 |
|
G 1/4 |
30 |
|
G 3/8 |
55 |
|
G 1/2 |
80 |
|
G 3/4 |
135 |
|
G 1 |
225 |
|
G 1 1/4 |
360 |
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