1. Valves And Flow Controls Industrial Automation Control For Sale
  2. sku: 11463716417961853
  3. KNF PU4707-N838.1.2

KNF PU4707-N838.1.2 Diaphragm Vacuum Pump

Pu4707-n838.1.2 Knf Diaphragm Vacuum Pump

( Brand: Knf ), ( Manufacturer Part Number: PU4707-N838.1.2 ), ( Type: Vacuum ), ( Country Of Origin: United States )

Review KNF Diaphragm Vacuum Pump

KNF Pu4707-N838.1.2 Diaphragm Vacuum Pump - Reliable Performance for Demanding Applications

The KNF Pu4707-N838.1.2 Diaphragm Vacuum Pump is a testament to engineering excellence, designed to deliver consistent and reliable performance in a wide range of demanding applications. This pump, manufactured by the renowned KNF Neuberger, is an integral component for various industries that require precision, durability, and efficiency.

The Pu4707-N838.1.2 is a diaphragm vacuum pump, which means it operates by alternately filling and emptying a chamber with a vacuum-tight diaphragm, creating a pumping action without the use of moving parts that come into contact with the pumped medium. This design ensures a long service life, reduces maintenance, and eliminates the risk of contamination, making it an ideal choice for applications in the chemical, pharmaceutical, and biotechnology sectors.

The pump features a robust and compact design, with dimensions of 460mm (L) x 302mm (W) x 345mm (H), making it suitable for installation in tight spaces. It is equipped with a powerful motor, allowing it to achieve a maximum vacuum level of 29.2 inHg (990 mbar) and a maximum flow rate of 490 m /h at 500 mbar vacuum.

The Pu4707-N838.1.2 also boasts a high level of energy efficiency, thanks to its intelligent control system that adjusts the pump's speed according to the demand, thus reducing energy consumption. It is also designed to operate quietly, with a noise level of less than 65 dB(A), ensuring minimal disruption in the workplace.

The pump is constructed from high-quality materials, ensuring it can withstand the rigors of continuous operation in challenging environments. It is also easy to maintain, with quick and straightforward access to the diaphragms for replacement.

In conclusion, the KNF Pu4707-N838.1.2 Diaphragm Vacuum Pump is a versatile and reliable solution for applications requiring high performance, durability, and efficiency. Its compact design, powerful operation, energy efficiency, and ease of maintenance make it an invaluable asset for various industries.

The KNF Pu4707-N838.1.2 Diaphragm Vacuum Pump is a specialized piece of equipment, and its suitability for a particular use case will depend on various factors. Here are some pros and cons to consider:

Pros:

1. Reliability: KNF is a well-known and reputable manufacturer of vacuum pumps, known for their durability and long service life.

2. Low Maintenance: Diaphragm vacuum pumps like this one are generally easy to maintain, as there are fewer moving parts compared to other types of pumps.

3. Quiet Operation: Diaphragm pumps are often quieter than other types of pumps, which can be a significant advantage in certain applications.

4. Dry Running Capability: This pump can operate without liquid, reducing the risk of damage if the liquid supply is interrupted.

5. Versatility: This pump can handle a wide range of liquids, making it suitable for a variety of industrial applications.

Cons:

1. Initial Cost: Diaphragm pumps can be more expensive than some other types of pumps, particularly for smaller capacities.

2. Maximum Pressure Limit: The Pu4707-N838.1.2 model has a maximum pressure of 2 bar abs, which may not be sufficient for some applications that require higher vacuum levels.

3. Size and Weight: This pump may be larger and heavier than some other vacuum pumps, which could be a disadvantage for mobile or space-constrained applications.

In conclusion, the KNF Pu4707-N838.1.2 Diaphragm Vacuum Pump is a reliable, low-maintenance, and versatile piece of equipment suitable for a wide range of industrial applications. However, its initial cost, maximum pressure limit, and size may make it less suitable for some specific use cases. It would be a good choice for applications that require a quiet, dry-running pump that can handle a variety of liquids and operate for extended periods without maintenance. For applications that require a higher vacuum level or a smaller, lighter pump, other types of vacuum pumps may be more suitable. As always, it is essential to consider the specific requirements of your application when making a purchasing decision.

Details:

Up for sale is, 1 - KNF Diaphragm Vacuum Pump PU4707-N838.1.2, Selling as lightly used, as-is, untested from open box, connector have slight damage shown in photo but does not affect function.

part #: pu4707n83812 prices

  • $245.00-$295.00

specifications valvplu:

  • brand: Knf
  • mpn: Pu4707-n838.1.2
  • type: Vacuum
  • country of origin: United States

offer valvplu:

  • options: Ship-to-home
  • best offers: True
  • sold: 0
  • quantity: 2
  • availability: In Stock
  • started: January 29, 2026

returns valvplu:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer
  • method: Money back

seller valvplu:

  • city: San Jose, California
  • rating: 100.0%
  • # reviews: 828

shipping valvplu:

  • service: USPS Ground Advantage, FedEx Ground Economy, FedEx Ground / FedEx Home Delivery
  • carrier: USPS, FedEx
  • class: Standard, Economy
  • transit: 4-8 Days
  • cost: $22.30
  • type: Calculated

payments valvplu:

  • other
  • wallet: Paypal
  • credit card: Diners-club

general valvplu:

  • Pumps Pump Accessories > Vacuum Pumps > Other Vacuum Pumps
  • condition: Used
type: vacuum, country of origin: united states,
category: business & industrial > pumps pump accessories > vacuum pumps, sku: 11463716417961853,
Knf PU4707-N838.1.2 Is Similar To:
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2 offers $245.00–$295.00 USD
  • Used. Offer #1 priced at $245.00 + $25.55 shipping estimate = $270.55* total. +$25.55 shipping
  • Used. Offer #2 priced at $295.00 + $24.10 shipping estimate = $319.10* total. +$24.10 shipping

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