Rexroth Hydraulic Pump Parts A4VG Series Dispalcement 28~250
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Application
Rexroth A4VG series Widely used in a variety of engineering machinery, plastic machinery, metallurgical machinery, pressing machinery and other large machinery.
Product Information
|
ITEM |
DESCRIPTION |
QUANTITY |
ITEM |
DESCRIPTION |
QUANTITY |
|
1 |
VALVE PLATE L |
1 |
8 |
SADDLE BEARING |
2 |
|
VALVE PLATE R |
1 |
9 |
BEARING SEAT |
2 |
|
|
2 |
CYLINDER BLOCK |
1 |
10 |
DRIVE SHAFT |
1 |
|
3 |
RETAINER WASHER |
1 |
11 |
CHARGE PUMP |
|
|
4 |
BALL GUIDE |
1 |
|
|
|
|
5 |
PISTON SHOE |
9 |
|
|
|
|
6 |
RETAINER PLATE |
1 |
|
|
|
|
7 |
SWASH PLATE |
1 |
|
|
General Instructions
The pump A4VG is designed to be used in closed circuit.
The project planning, installation and commissioning of the axial piston unit requires the involvement of qualified person- nel.
Before using the axial piston unit, please read the corre- sponding instruction manual completely and thoroughly. If necessary, these can be requested from Bosch Rexroth.
During and shortly after operation, there is a risk of burns on the axial piston unit and especially on the solenoids. Take appropriate safety measures (e. g. by wearing protective clothing).
Depending on the operating conditions of the axial piston unit (operating pressure, fluid temperature), the characteris- tic may shift.
Service line ports:
The ports and fastening threads are designed for the speci- fied maximum pressure. The machine or system manufac- turer must ensure that the connecting elements and lines correspond to the specified application conditions (pres- sure, flow, hydraulic fluid, temperature) with the necessary safety factors.
The service line ports and function ports can only be used to accommodate hydraulic lines.
The data and notes contained herein must be adhered to.
The product is not approved as a component for the safety concept of a general machine according to ISO 13849.
The following tightening torques apply:
Fittings:
Observe the manufacturer's instructions regarding the tightening torques of the fittings used.
Mounting bolts:
For mounting bolts with metric ISO thread according to DIN 13 or thread according to ASME B1.1, we recommend checking the tightening torque in individual cases in accor- dance with VDI 2230.
Female threads in the axial piston unit:
The maximum permissible tightening torques MG max are maximum values of the female threads and must not be exceeded. For values, see the following table.
Threaded plugs:
For the metallic threaded plugs supplied with the axial pis- ton unit, the required tightening torques of threaded plugs MV apply. For values, see the following table.
| PortsStandard Size of thread | Maximum permissible tightening torque of the female threads MG max | Requiredtightening torque of the threaded plugs M 1)
V |
WAFhexagon socket of the threaded plugs | |
| DIN 3852 | M10 x 1 | 30 Nm | 15 Nm2) | 5 mm |
| M12 x 1.5 | 50 Nm | 25 Nm2) | 6 mm | |
| M14 x 1.5 | 80 Nm | 35 Nm | 6 mm | |
| M16 x 1.5 | 100 Nm | 50 Nm | 8 mm | |
| M18 x 1.5 | 140 Nm | 60 Nm | 8 mm | |
| M22 x 1.5 | 210 Nm | 80 Nm | 10 mm | |
| M26 x 1.5 | 230 Nm | 120 Nm | 12 mm | |
| M33 x 2 | 540 Nm | 225 Nm | 17 mm | |
| M42 x 2 | 720 Nm | 360 Nm | 22 mm | |
| M48 x 2 | 900 Nm | 400 Nm | 24 mm | |
1) The tightening torques apply for screws in the "dry" state as received on delivery and in the "lightly oiled" state for installation.
2) In the "lightly oiled" state, the MV is reduced to 10 Nm for M10 x 1 and 17 Nm for M12 x 1.5.
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Sales Manager
Company Introduction
Qingdao Runfeng Hydraulic Co., Ltd. has more than ten years of experience in hydraulic parts production and international trade. We use the highest quality raw materials for production and provide the highest quality accessories available worldwide. We are your trusted supplier of hydraulic components in China.
Here, you can not only get the best quality accessories, but also get the best service and long warranty period.
Exquisite transportation packaging, fast shipping service, and high-quality accessories make us the best choice for you.
Product Application
Engineering Plant
Hydraulic pumps and motors on equipment such as excavators, pavers, rollers, drills, bulldozers, heavy excavators, road mixers, etc.
Construction Machine
Hydraulic pumps, motors, etc. on concrete pump trucks, concrete pump truck transporters, concrete mixer trucks, pile drivers and other equipment.
Industrial Equipment
Hydraulic pumps and motors on polyurethane foam machines, ceramic presses, plastic machinery, chemical equipment, metallurgical equipment, etc.
Ship Aviation
Towing ship machine. Anchor cranes, cranes, dredgers, dredging vessels, etc. are used in ship control systems and hydraulic pumps and motors in operating systems.
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