MOTORS AND ACCESSORIES
• The performance values listed below are for continuous use conditions. • The optimal operating condition is 1/3 to 2/3 of the continuous use values. • Standard rotation is clockwise (facing the shaft) when port A is pressurized. • Standard shaft seals for the BM1 Series are rated to 1,085 PSI. HPSS to 2900 PSI. • Case drains relieve internal oil leakage and prevent housing overpressure, protecting seals and extending motor life. • Standard shaft seals and bearings are not recommended for applications that may experience side-loadings. • Internal check valves are included for smoother directional control. The BM1’s compact spool and gerolor gearset design delivers high power in a small volume and at a low weight. Easily and smoothly control the shaft rotation and speed. This motor achieves optimal efficiency and economy for medium load applications. Low Speed High-Torque Motors - BM1 Series Performance:
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Hydraulics
Hydraulic Cylinders
Hydraulic Cylinder Components
Motors and Accessories
Shaft Seal Curve Chart
Specifications:
Hydraulic Power Units
•
Mounting Flange: Rhombus, SAE-A 2-Bolt
• Radial Shaft Load: 440 lbs. (200 kg); 881 lbs. (400 kg) with radial bearing • Axial Shaft Load: 330 lbs. (150 kg); 440 lbs. (200 kg) with radial bearing • Shaft Seal Rating: 1,085 PSI standard, 2900 PSI HPSS • Rotation: Bi-rotational, clockwise preferred • Temperature Rating: 100-120°F working, 176°F (80°C) max • Port Configuration: Parallel • Case Drain: SAE 4
Hydraulic Pumps and Accessories
Hydraulic Valves and Accessories
Model Code
Displacement in³ (cm³) / Rev.
Flow (GPM)
Torque (LBS-IN)
Speed (RPM)
Pressure (PSI)
Manifold Threads
Output Shaft
Port Size
3.05 (50) 3.05 (50) 3.05 (50) 6.1 (100) 6.1 (100) 6.1 (100) 6.1 (100) 6.1 (100) 6.1 (100) 9.76 (160) 9.76 (160) 9.76 (160) 9.76 (160) 12.2 (200) 15.2 (250) 15.2 (250) 19.22 (315) 19.22 (315) 19.22 (315) 19.22 (315) 24.41 (400) 24.41 (400) 24.41 (400) 24.41 (400) 24.41 (400) 24.41 (400) 24.41 (400) 24.41 (400)
6 6 6
139.4 386 139.4 386 139.4 386 278.8 386 278.8 386 278.8 386 278.8 386 278.8 386 446.1 282 446.1 282 446.1 282
435 1” Straight, Woodruff Key SAE 10 435 1” Straight, Woodruff Key 1/2 NPT 435 1” Straight, Woodruff Key SAE 10 435 1” Straight, Woodruff Key 1/2 NPT 435 1” Straight, Woodruff Key SAE 10 435 1” Straight, Woodruff Key 1/2 NPT 435 1" Straight, Parallel Key
None None None None None None None None None None None None None None None None None None None
316-0400H* 316-0390H* 316-0500H* 316-0393H* 317-0103* 316-0503H* 316-0423H* 313-0503 516-0403H* 316-0394H* 316-0424H* 317-0254* 513-0254 316-0425H* 316-0396H* 316-0426H* 316-0398H* 316-0508H* 316-0428H* 317-0258* 316-0407H* 316-0397H* 316-0507H* 316-0427H* 313-0507 317-0427* 313-0257 516-0427H*
Accumulators and Accessories
12 12 12 12 12 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14 14
SAE 10 5/16-18 UNC
435 1” Straight, Woodruff Key SAE 10 5/16-18 UNC
1160 450 1810 1” Straight, Woodruff Key SAE 10
Gauges and Meters
435 1” Straight, Woodruff Key 1/2 NPT 435 1” Straight, Woodruff Key 1/2 NPT
435
1" Straight, Parallel Key 1" Straight, Parallel Key
SAE 10 5/16-18 UNC SAE 10 5/16-18 UNC
1856 282 1810
557.7 225
435 1” Straight, Woodruff Key 1/2 NPT
Reservoir Tanks and Accessories
1626 180 1015 1” Straight, Woodruff Key 1/2 NPT 1626 180 1015 1” Straight, Woodruff Key 1/2 NPT
2049 143 2049 143 2049 143 2049 143 2602 113 2602 113 2602 113 2602 113 2602 113 2602 113 2602 113
1015 1” Straight, Woodruff Key 1/2 NPT 1015 1” Straight, Woodruff Key SAE 10 1015 1” Straight, Woodruff Key 1/2 NPT 1015 1” Straight, Woodruff Key SAE 10 1015 1” Straight, Woodruff Key 1/2 NPT 1015 1” Straight, Woodruff Key SAE 10 1015 1” Straight, Woodruff Key 1/2 NPT 1015 1" Straight, Parallel Key
SAE 10 5/16-18 UNC
Filters and Accessories
1015 1” Straight, Woodruff Key SAE 10 5/16-18 UNC 1015 1” Straight, Woodruff Key 1/2 NPT 5/16-18 UNC
Heat Exchangers
1015
1" Straight, Parallel Key
SAE 10 5/16-18 UNC
3717 113 1450 1” Straight, Woodruff Key 1/2 NPT
None
*Radial bearing installed
Hoses and Fittings
Motor Equations: Formulas: •
Legend: •
Q = Gallons per minute (GPM), flow rate N = Rotations per minute (RPM), speed D = Displacement (in³/rev) T = Torque (inch-pounds) me = Mechanical efficiency ve = Volumetric efficiency P = PSI (pounds per square inch), pressure
• • • • • •
Q = (N*D) / (231*ve) N = (Q*231*ve) / D T = (P*D*me) / (2π) P = (T*2π) / (D*me)
Electronics
• • •
Mobile Components
62
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