Bosch Rexroth | BM6SN-1X04A2-12RCI
BM6SN-1X/04A2-12RCI
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The BM6SN-1X/04A2-12RCI manifold block is manufactured by Bosch Rexroth as part of the BM Manifold Blocks series. It distributes flow between directional control valves in hydraulic automation. The block follows the D03 Size 6 mounting pattern and provides four stations spaced 2.13 in apart for subplate valves. A series circuit layout routes pressure through each station in sequence to suit single-pump lines. Valve attachment holes are tapped 10-24, and 5/16-18 threads anchor the manifold to the machine frame. Pressure and return lines connect through 7/8-14 (SAE-10) ports, while work ports use 3/4-16 (SAE-8) threads; all ports are SAE threaded. A gauge connection with a 9/16-18 (SAE-6) thread permits direct pressure monitoring.
The body length is 8.50 in in the four-station configuration, keeping the assembly compact enough for crowded power units. An aluminum block weighs 15 lb and permits continuous service at 3000 psi, so it suits mobile or lightly loaded machinery where weight reduction is important. A ductile iron block weighs 20 lb and raises the pressure limit to 5000 psi, making it appropriate for presses or test rigs that demand higher system pressures. A standard 10-2 relief cavity is machined into the manifold, allowing a screw-in cartridge relief valve to be positioned close to the pump passage and minimize response time. These dimensional, material, and cavity details let designers balance weight, strength, and circuit protection without changing the valve layout.
Technical Specifications
Approx Weight (aluminum, 4-station)
15 lb
Approx Weight (ductile Iron, 4-station)
20 lb
Circuit Type
Series
Gauge Port Thread Ga
9/16-18 (SAE-6)
Length (dim A, 4-station)
8.50 in
Manifold Mount Thread
5/16-18
Max Operating Pressure (aluminum)
3000 psi
Max Operating Pressure (ductile Iron)
5000 psi
Nominal Size
D03 (Size 6)
Number Of Stations
4
Port Thread A, B
3/4-16 (SAE-8)
Port Thread P, T
7/8-14 (SAE-10)
Port Type
SAE Threaded Ports
Relief Cavity
10-2 (Industry Common)
Valve Mount Thread
10-24
Valve Spacing
2.13 in
1620 Old Apex Road
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