Piston Pump
Milking Machine
Choose an oil-free piston pump milking machine for small milking groups and separate pens. NexAgri supplies single- and double-bucket mobile units with 25 L SS304 collection buckets and destination-matched electrical options.
What Is a Piston Pump Milking Machine?
A piston pump milking machine uses reciprocating motion to remove air and generate milking vacuum. The NexAgri configuration shown uses an oil-free piston pump, electric motor, 25 L SS304 collection bucket and milking equipment mounted on a mobile frame.
In this NexAgri piston configuration, the reciprocating piston mechanism supplies the milking vacuum. The pulsation arrangement is selected with the chosen cluster, while milk travels through the milk hose into the collection bucket and the pump circuit handles air.
This page covers a complete mobile dairy unit. Explore the portable milking machine range to compare pump configurations.
Choose Mechanical Simplicity for Your Milking Routine
Oil-Free Vacuum Generation
The oil-free piston assembly avoids vacuum-pump oil top-ups. Pulsation arrangement is selected with the chosen cluster; routine care still includes seals, valves and connections.
Mobile Cow Care
Move the unit between suitable milking locations or dedicate it to separate pens. Plan electricity, cleaning water and a practical route for handling collected milk.
Service Parts Planning
Include replacement liners, milk hoses, bucket seals and piston service parts in the equipment order. Match parts to the supplied model for straightforward replenishment.
Single- and Double-Bucket Configurations
Match the bucket arrangement to your milking window and operator routine. Both configurations shown use 25 L SS304 stainless steel collection buckets. Typical planning throughput is 6–8 cows per hour for the single-bucket unit and 12–15 cows per hour for the double-bucket unit, depending on operator routine and cow milk-out time.
Single Bucket Unit
One 25 L SS304 bucket for individual-cow work, small milking groups and routes where compact handling matters. Keep preparation, milk collection and cleaning within one clear workflow.
Double Bucket Unit
Two 25 L SS304 buckets for a routine that supports two milking clusters. Allow for cow preparation, monitoring, bucket emptying and the added weight of a loaded unit.
| Selection factor | Single bucket | Double bucket |
|---|---|---|
| Collection arrangement | 1 × 25 L SS304 stainless steel bucket | 2 × 25 L SS304 stainless steel buckets |
| Working routine | Prepare and milk one cow at a time | Coordinate preparation and milking across two cows |
| Handling priority | Compact route and individual-cow access | Additional bucket handling and loaded weight |
| Typical planning throughput | 6–8 cows/hour | 12–15 cows/hour |
| Motor power | 0.55 kW | 0.75 kW |
Piston vs Rotary Vane Milking Machines
Both types generate vacuum. The practical choice is the complete machine that fits your operating duty, power supply and service arrangements.
| Comparison point | Piston configuration | Rotary vane configuration |
|---|---|---|
| Pump action | Reciprocating piston motion | Rotating vane mechanism |
| Lubrication | Oil-free piston configuration shown | Oil-lubricated rotary vane configuration shown on the linked product page |
| Routine service | Inspect piston seals, valves and air connections | Inspect vanes and follow the pump-oil and lubrication service schedule |
| Routine oil cost | No vacuum-pump oil purchases or top-ups for the oil-free piston assembly | The standard oil-lubricated rotary vane unit requires vacuum-pump oil and lubrication checks |
| Operating fit | Small milking groups and farms that prioritize an oil-free pump and straightforward wear-parts servicing | Farms choosing the rotary vane mobile unit with an established pump-oil and vane-service routine |
| Pulsation control | Pulsation arrangement specified with the selected cluster | Separate pulsator controls the liner pulsation cycle |
View the vacuum pump type milking machine for the alternative configuration.
Piston Milking Machine Standard Configuration
NexAgri supplies the oil-free piston configuration below in single- and double-bucket versions. The quotation identifies the selected electrical configuration, collection equipment and spare-parts package.
| Equipment item | Standard Configuration / Available Options |
|---|---|
| Pump assembly | Oil-free reciprocating piston pump; no routine vacuum-pump oil top-ups. |
| Working vacuum | Factory preset at 48–50 kPa; stabilized by a mechanical vacuum regulator with dial gauge display. |
| Motor and electricity | 0.55 kW (single bucket) / 0.75 kW (double bucket) copper-core electric motor. Destination-specific 110 V, 220 V or 380 V options; frequency, phase and plug are matched to the order. |
| Milk collection | 1 × 25 L or 2 × 25 L polished SS304 stainless steel collection buckets with lids, seals and milk-contact connections. |
| Milking equipment | Cow milking clusters, liners and tubing matched to the single- or double-bucket assembly. The pulsation arrangement is specified with the selected cluster. |
| Access and handling | Wheeled mobile frame carrying the pump, motor and collection buckets. Machine dimensions and packing details are provided with the configuration proposal. |
| Service and documentation | Operating and cleaning instructions, with replacement liners, hoses, bucket seals and piston service parts itemized in the quotation. |
Plan Power, Cleaning and Service Access
Power at the Milking Point
Provide the local electrical supply details and the distance to the milking location. For generator use, review motor starting demand and other connected loads.
Cleaning After Each Session
Provide suitable cleaning water and a place to drain the milk-contact equipment. Keep wash water away from the motor and electrical controls.
Storage and Wear Parts
Store the cleaned unit in a dry, protected location. Plan inspection of seals, valves, liners and hoses, and keep the model-specific replacement parts accessible.
Plan Your Piston Milking Machine Order
The quotation reflects the complete machine, electrical configuration, spare parts, packing and delivery destination. Share the working conditions so each item has a clear purpose.
1. Describe the Milking Routine
Send cows per session, milkings per day, available operators, target milking window and the intended location of use.
2. Confirm Equipment and Power
Select one or two buckets, confirm the electrical supply, and review cleaning access, dimensions and service parts.
3. Review the Factory Quotation
Check the Bill of Materials, machine specification, spare-parts package and freight terms before placing the order.
Complete Your Milking Equipment Package
Compare mobile configurations and plan milk handling and replacement parts together.
Milk Cans & Buckets
Select milk handling containers for your collection volume, transport route and cleaning routine.
Vacuum Pump Type
Compare the rotary vane mobile milking configuration for your farm’s operating and maintenance requirements.
Liners & Tubes
Match replacement liners and hoses to your milking assembly, connections and service schedule.
Piston Pump Milking Machine FAQs
Practical answers for dairy farms, distributors and equipment buyers.
What is a piston pump milking machine?
This NexAgri piston pump milking machine uses a reciprocating piston mechanism to generate milking vacuum. The pulsation cycle is provided by the selected cluster and pulsator arrangement. The mobile unit combines the pump, motor, milking equipment and collection bucket on a wheeled frame; milk collects in the bucket rather than passing through the pump.
Does the oil-free pump mean no maintenance?
No. The oil-free piston configuration avoids routine vacuum-pump oil top-ups, but seals, valves, air connections and other wear parts still need inspection. Follow the supplied service schedule and use the specified replacement parts. Liners, tubing and milk-contact components also need routine cleaning and replacement.
Should I choose a single- or double-bucket unit?
A single-bucket unit suits individual-cow work and a compact milking route. A double-bucket unit suits a routine that can support two clusters, with enough operator time for preparation, monitoring and bucket handling. Select the pump and complete milking configuration together.
How many cows can a piston machine milk per hour?
Typical throughput is 6–8 cows per hour for a single-bucket piston machine and 12–15 cows per hour for a double-bucket configuration. Use these ranges for initial work-time planning; actual output depends on cow preparation, milk-out time, bucket emptying, movement and operator routine.
How does piston compare with rotary vane milking equipment?
Both pump types create vacuum for milking. The piston configuration shown is oil-free and uses reciprocating motion. The rotary vane alternative shown on our linked page uses an oil-lubricated rotating vane mechanism and requires routine pump-oil checks. Compare the complete unit’s vacuum performance, operating duty and local spare-parts support rather than pump type alone.
Can I run the machine from a generator?
Generator selection must account for the motor’s starting demand as well as its running load. Send the generator rating, voltage, frequency, phase and any other connected loads with your enquiry. Confirm the motor and supply match before operation; an oil-free pump does not make a motor tolerant of unstable voltage.
Can the machine operate in freezing weather?
Oil-free operation removes the need for vacuum-pump oil, but does not make the complete unit freeze-proof. Residual cleaning water, hoses, seals and electrical components still need protection. Provide your lowest operating and storage temperatures so the equipment and winter handling requirements can be reviewed.
How should I clean the machine after milking?
Clean the bucket, lid, seals, liners and milk hoses after each milking using the supplied equipment procedure and the dairy detergent instructions. Prevent liquid from entering the vacuum circuit, protect the motor and controls from water, and drain and store the equipment as instructed.
Request Piston Milking Machine Specifications
Send your cow numbers, bucket preference, destination and electrical supply. NexAgri will return an initial configuration response within 24 business hours.