DR20-5-43/200YV Pressure Reducing Valves - Leader Hydraulic Pump Co.,Limited.

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DR20-5-43/200YV Pressure Reducing Valves image

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DR20-5-43/200YV Pressure Reducing Valves Description of the code

Bearing number:7036 ACD/HCP4AL
Size (mm):280x180x46
Bore Diameter (mm):280
Outer Diameter (mm):180
Width (mm):46
d:180 mm
D:280 mm
B:46 mm
d1:211.8 mm
d2:211.8 mm
D1:248.2 mm
b:2.8 mm
C1:26.1 mm
C2:7.5 mm
C3:7.5 mm
r1,2 - min.:2.1 mm
r3,4 - min.:1.1 mm
a:76.9 mm
da - min.:191 mm
db - min.:191 mm
Da - max.:269 mm
Db - max.:274 mm
ra - max.:2 mm
rb - max.:1 mm
dn:219.7 mm
Basic dynamic load rating - C:229 kN
Basic static load rating - C0:275 kN
Fatigue load limit - Pu:7.6 kN
Limiting speed for grease lubrication:5300 r/min
Limiting speed for oil lubrication:8000 mm/min
Ball - Dw:30.162 mm
Ball - z:21
Gref:111 cm3
Calculation factor - e:0.68
Calculation factor - Y2:1.41
Calculation factor - Y0:0.76
Calculation factor - X2:0.67
Calculation factor - Y1:0.92
Preload class A - GA:1450 N
Preload class B - GB:2900 N
Preload class C - GC:5800 N
Preload class D - GD:11600 N
Calculation factor - f:1.13
Calculation factor - f1:0.99
Calculation factor - f2A:1
Calculation factor - f2B:1.02
Calculation factor - f2C:1.05
Calculation factor - f2D:1.08
Calculation factor - fHC:1.02
Preload class A:506 N/micron
Preload class B:658 N/micron
Preload class C:868 N/micron
Preload class D:1167 N/micron
r1,2 min.:2.1 mm
r3,4 min.:1.1 mm
da min.:191 mm
db min.:191 mm
Da max.:269 mm
Db max.:274 mm
ra max.:2 mm
rb max.:1 mm
Basic dynamic load rating C:229 kN
Basic static load rating C0:275 kN
Fatigue load limit Pu:7.65 kN
Attainable speed for grease lubrication:5300 r/min
Attainable speed for oil-air lubrication:8000 r/min
Ball diameter Dw:30.162 mm
Number of balls z:21
Reference grease quantity Gref:111 cm³
Preload class A GA:1450 N
Static axial stiffness, preload class A:506 N/µm
Preload class B GB:2900 N
Static axial stiffness, preload class B:658 N/µm
Preload class C GC:5800 N
Static axial stiffness, preload class C:868 N/µm
Preload class D GD:11600 N
Static axial stiffness, preload class D:1167 N/µm
Calculation factor f:1.13
Calculation factor f1:0.99
Calculation factor f2A:1
Calculation factor f2B:1.02
Calculation factor f2C:1.05
Calculation factor f2D:1.08
Calculation factor fHC:1.02
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:7.69 kg

Along with constantly improving performance, industrial machines continue to become increasingly sophisticated. Hydraulic equipment has to meet the challenge of diversifying needs. You may already appreciate the Leader Hydraulic Pump Co.,Limited reputation for compact equipment that delivers energy efficiency, safety, and high performance. Our equipment is also constantly refined by our quest for ultimate hydraulics that combine great power with flexible motion control.

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Leader Hydraulic Pump Co.,Limited.: Emailmeceoindus@hotmail.com; AddressNanshan Distrct,Shenzhen,China; Phone(Working Time)00852-68515715; Fax00852-68515716

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