The Gast 4VCF-10-M451X at Kinequip is a rugged, oil-less piston vacuum pump designed for reliable performance in demanding industrial and laboratory applications. With corrosion-resistant internal components and proprietary Teflon-filled piston rings, this unit delivers consistent vacuum flow throughout its service life. It operates quietly and efficiently with a 100% duty cycle, making it ideal for continuous-use environments. Maintenance is simple thanks to easily replaceable wear parts, and its dual-voltage motor offers flexible installation options.
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Key Features:
- Oil-less piston design for clean, lubricant-free operation
- Corrosion-resistant internal components
- Proprietary Teflon-filled piston rings for extended life
- 100% duty cycle for continuous operation
- Thermal protection included
Can water be pumped through my piston unit?
No, clean dry air only.
My piston pump is leaking around the heads is this normal?
The piston unit is not leak proof, leakage around the head is normal, and doesn’t affect the specified flow rate of unit.
What kind of oil do I need for my piston unit?
None, Gast piston units are oilless, and do not require lubrication.
Can I pump combustible gas through my piston pump?
No, none of Gast models are designed to pump combustible gases.
I received my dual voltage unit, wired it for 115 volt power, it runs very slow and lopes. What is wrong?
The unit is wired for high voltage from the factory, check the motor label to see how to rewire unit to for low voltage.
What can I use to clean my piston unit with?
Gast flushing solvent AH255D, if this is not available you can use electrical contact cleaner.
Are there repair kits available for my piston unit?
Yes, check the operation manual for kit required. If you don’t have the manual, go to Technical Documents and choose manual.
What comes in a repair kit?
Can I replace the motor of my piston unit?
The motor can not be replaced in the field, the unit should be sent to an authorized service center.
Can I replace the rod assemblies in my piston unit?
The rod assembly can not be replaced in the field, the unit should be sent to an authorized service center.
What does the model number mean?
For an explanation of the Piston model numbers please click here.
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Shipping
We are committed to delivering your machine parts quickly and securely. Orders are processed within 1-2 business days, and shipping times vary based on your location and selected shipping method. Standard shipping typically takes 3-7 business days, while expedited options are available for faster delivery. We ship domestically and internationally, with tracking information provided for all orders. Shipping rates are calculated at checkout. Please ensure your shipping address is accurate to avoid delays.
Returns
We want you to be fully satisfied with your purchase. If you need to return a product, we accept returns within 30 days of delivery for a full refund or exchange, provided the item is unused, in its original condition, and includes all packaging. Customers are responsible for return shipping costs unless the return is due to a defect or error on our part. To initiate a return, please contact our support team with your order details. Refunds will be processed within 5-7 business days after receiving the returned item.
