PVXS series vickers piston pump
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Specifications and Applications of Vickers PVXS Series Variable Displacement Piston Pumps
1. Technical Specifications
1.1 Core Parameters
|
Model
|
Max Displacement
|
Max Flow Rate @ 1800 rpm
|
Rated Pressure
|
Max Pressure
|
Rated Speed
|
Weight (kg)
|
|---|---|---|---|---|---|---|
|
PVXS-066
|
66 cm³/rev (4.1 in³/rev)
|
118 L/min (32 USgpm)
|
350 bar (5075 psi)
|
420 bar (6090 psi)
|
1800 rpm
|
55
|
|
PVXS-090
|
90 cm³/rev (5.5 in³/rev)
|
162 L/min (43 USgpm)
|
350 bar (5075 psi)
|
420 bar (6090 psi)
|
1800 rpm
|
75
|
|
PVXS-130
|
130 cm³/rev (7.9 in³/rev)
|
234 L/min (62 USgpm)
|
350 bar (5075 psi)
|
420 bar (6090 psi)
|
1800 rpm
|
106
|
|
PVXS-180
|
180 cm³/rev (11 in³/rev)
|
324 L/min (86 USgpm)
|
350 bar (5075 psi)
|
420 bar (6090 psi)
|
1800 rpm
|
114
|
|
PVXS-250
|
250 cm³/rev (15.2 in³/rev)
|
450 L/min (119 USgpm)
|
350 bar (5075 psi)
|
420 bar (6090 psi)
|
1800 rpm
|
212
|
1.2 Additional Specifications
-
Rotation Direction: Clockwise when viewed from the shaft end; counterclockwise available on request.
-
Speed Range: Minimum 150 rpm, maximum 1800 rpm.
-
Pipe Connections: SAE/Flange connections, with sizes varying by model (1″ to 3.5″ depending on pressure rating).
-
Fluid Requirements: Hydraulic oil complying with DIN 51524 Part 2; operating viscosity 10-75 cSt (continuous), maximum start-up viscosity 1000 cSt.
-
Ambient Temperature Range: -4°F to 122°F (-20°C to 50°C); fluid temperature range -13°F to 194°F (-25°C to 90°C).
2. Product Features
-
Swashplate axial piston design ensures high reliability and extended service life, suitable for heavy-duty industrial operations.
-
Oversized shafts and bearings enhance load capacity and shock resistance, reducing maintenance frequency.
-
Pressure-balanced rotating and pressure-loaded components minimize internal wear and improve energy efficiency.
-
Modular “building block” design allows integration of optional components such as integrated pilot pumps, filters, and pressure relief valves, adapting to diverse system requirements.
-
Low noise operation achieved through patented timing configuration, with pressure pulsation minimized to match or even lower than the driving motor’s noise level.
-
Fast response times to control signals, ensuring precise and efficient system operation.
3. Displacement Control Modes
-
ES: Electric motor displacement control.
-
HG: Handwheel displacement control (special feature).
-
FE: Screw adjustment control (special feature).
-
DF: Pressure compensator control, maintaining constant system pressure across the entire volumetric flow range, with remote setting capability.
-
DQ: Mooring control for stable positioning during standby.
-
LR: Power control with pressure limiter, featuring a hyperbolic P/Q characteristic curve to maintain constant drive torque at fixed speed.
-
SP/SM: Displacement proportional to electric signal, enabling precise electronic control.
-
DP: Displacement proportional to pressure signal, adapting automatically to system pressure changes.
4. Typical Applications
-
Metal Forming: Hydraulic systems for tube bending machines, presses, and stamping equipment, providing stable pressure and precise flow control.
-
Marine and Offshore: Winches, steering systems, and cargo handling equipment, withstanding harsh marine environments and ensuring reliable operation.
-
Chemical Industry: Mixing, grinding, and shredding equipment, compatible with various hydraulic fluids and resistant to corrosion.
-
Industrial Hydraulic Power Units: Custom power supplies for automated production lines, offering efficient energy utilization through load-sensing options.
-
Mining Machinery: Hydraulic supports and coal mining equipment, delivering high power output for heavy-load operations.
-
Agricultural Machinery: Irrigation systems and harvesting equipment, adapting to variable load conditions with consistent performance.
5. Typical Model Examples
-
PVXS-066M02R0001R01SV0ADF000A0F0010
-
PVXS-090MRDF0000000
-
PVXS-130M04R001R01SVVADF
-
PVXS-180MRDF0000000
-
PVXS-250M06R0001R01SVVADF000A0
Process steps：
Customer inquiry: Customers will make inquiries before placing an order to understand product details and communication needs.
Quotation: According to customer needs, provide a formal quotation, including the name, model, quantity, delivery time, payment method, etc. of the goods.
Order confirmation: After the customer confirms the quotation, a formal purchase order will be placed.
Confirm the delivery time: communicate the delivery time with the production department, inform the factory of the order details, and arrange the production plan.
Sign an export contract: After the two parties confirm that it is correct, sign an export contract to establish a trade relationship.
Implement the letter of credit (if applicable): If the payment method of the letter of credit is used, the customer needs to be urged to issue the certificate and review the contents of the letter of credit.
Export stocking: According to the requirements of the contract and the letter of credit, arrange production, purchase raw materials and packaging, and prepare the goods.
Chartering and booking: Contact the freight forwarder to make a booking and arrange the transportation of goods.
Export inspection: Apply to the quality inspection department for export commodity inspection and provide relevant documents.
Apply for a write-off slip: apply for a write-off slip from the foreign exchange management department for subsequent foreign exchange write-off.
Export declaration: Declare exports to the customs and provide documents such as power of attorney for customs declaration, customs declaration form for export goods, commercial invoice, packing list, etc.
