BUCHI Vacuum Pump Suction Cracked Window Controller V-700 801234521404 26MBAR

( Brand: Buchi ), ( Manufacturer Part Number: V700 ), ( Model: V-700 ), ( Part Type: Vacuum Window Pump Suction Controller ), ( Pump Type: Vacuum Pump ), ( Country Of Origin: Switzerland ), ( Unit Type: Unit ), ( Intended Use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory ), ( UPC: 801234521404 ), ( Power Source: Electric ), ( Diaphragm Pump Type: Double Diaphragm Pump )

Review BUCHI Vacuum Pump Max Suction Cracked Window No Controller

The **B chi V-700 Vacuum Pump (Model 801234521404)** is a high-performance, precision-engineered vacuum system designed for demanding laboratory applications, particularly in processes requiring controlled suction down to **26 mbar** ideal for tasks such as window cracking, solvent evaporation, freeze-drying, and other low-pressure operations. This compact yet robust pump delivers exceptional reliability and efficiency, making it a trusted choice for researchers, chemists, and industrial technicians who demand consistent performance in critical experiments. Engineered with B chi s signature attention to detail, the V-700 features a **rotary vane design** that ensures smooth, pulsation-free operation, minimizing wear on connected systems and extending the lifespan of attached glassware or equipment. Its **oil-sealed construction** provides superior sealing and lubrication, reducing the risk of air leakage and maintaining a stable vacuum level even under fluctuating loads. The pump s **compact yet sturdy housing** is built to withstand frequent use in laboratory environments, with reinforced components that absorb vibrations and resist thermal stress, ensuring long-term durability. A key highlight of the V-700 is its **adjustable suction control**, allowing users to fine-tune the vacuum level precisely perfect for applications like controlled window cracking in glassware, where maintaining an optimal pressure gradient is essential for consistent results. The pump s **quiet operation** and low energy consumption further enhance its usability, making it a space-efficient solution for labs with limited bench space. Additionally, B chi s reputation for innovation is reflected in the V-700 s **user-friendly interface**, which includes intuitive controls for easy setup and monitoring, while its **modular design** allows for seamless integration with other B chi systems or third-party equipment. Whether used in pharmaceutical research, chemical synthesis, or material science, the B chi V-700 delivers the precision, stability, and reliability required to elevate experimental outcomes, ensuring that users can focus on their work without compromising on performance.

### **Pros and Cons of buying a B CHI Vacuum Pump V-700 (26 mbar) with Cracked Window Controller**

1. **High Performance for Laboratory Use** The B CHI V-700 is designed for precise vacuum applications, making it suitable for freeze-drying, distillation, and other laboratory processes. Its ability to reach 26 mbar ensures reliable performance for sensitive experiments.

2. **Durable and Reliable Construction** B CHI is a well-known brand in laboratory equipment, known for producing robust and long-lasting vacuum pumps. The V-700 is built with quality materials, reducing the likelihood of frequent breakdowns.

3. **Efficient Energy Consumption** Compared to older models, the V-700 is designed to be energy-efficient, helping to reduce operational costs over time.

4. **Compatibility with B CHI Systems** If you already own other B CHI equipment, this vacuum pump is likely to integrate seamlessly with existing setups, improving workflow efficiency.

5. **Good After-Sales Support** B CHI has a strong reputation for customer service, including technical support, spare parts availability, and warranty coverage.

6. **Versatile Applications** Beyond freeze-drying, it can be used in solvent recovery, vacuum filtration, and other laboratory processes where controlled vacuum is required.

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1. **Cracked Window Controller** The most significant drawback is the damaged controller window, which could affect readability and potentially lead to operational issues if not repaired. This may require additional maintenance or replacement.

2. **Potential Hidden Wear** Since the window is cracked, there may be underlying issues with the controller or internal components that could degrade performance over time. A thorough inspection is recommended before purchase.

3. **Cost of Repairs or Replacement** If the controller is beyond simple repair, replacing it could add to the initial purchase cost. Additionally, if the pump requires servicing, labor and parts may not be included in the original price.

4. **Second-Hand Market Risks** If this unit is being sold used, there may be concerns about its true condition, usage history, or whether it has been properly maintained. Without a warranty or service history, unexpected failures could occur.

5. **Limited Long-Term Warranty** New B CHI pumps typically come with warranties, but a used unit may have none. This means you bear full responsibility for repairs or replacements.

6. **Alternative Models May Offer Better Features** Newer versions of the V-700 or other B CHI models (e.g., V-700 with digital controls) may include additional safety features, energy savings, or easier maintenance, making them more attractive for long-term use.

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The B CHI V-700 vacuum pump is a high-quality, reliable piece of laboratory equipment that excels in performance for freeze-drying and other vacuum applications. However, the cracked window controller introduces uncertainty about its current condition and future reliability. If the unit is otherwise in good working order and the controller issue is minor (e.g., a simple screen replacement), it could still be a cost-effective purchase. On the other hand, if the damage suggests deeper problems or if you require a fully functional unit with no maintenance risks, investing in a new or refurbished model with a warranty may be the safer choice.

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- **If you are in a tight budget and the unit is otherwise well-maintained**, consider purchasing it with the understanding that you may need to address the controller issue immediately. Have a technician inspect it before buying to assess the extent of the damage and any necessary repairs.

- **If reliability and long-term use are priorities**, look for a new or certified-refurbished B CHI V-700 with a warranty. This ensures full functionality and support, avoiding potential hidden issues.

- **If the controller is easily replaceable**, factor in the cost of repair when evaluating the total expense. If the repair cost is minimal compared to the pump s value, it may still be a worthwhile purchase.

- **Check for alternative models** (e.g., B CHI V-700 with digital controls) that may offer better features and peace of mind.

Ultimately, weigh the immediate savings against the potential risks of maintenance and downtime. For critical laboratory applications, prioritizing a fully functional unit is often the best long-term decision.

Details:

Unit details shown on the label include 100-240VAC input, 50/60 Hz operation, 210 W power rating, and built 2011. There is some discoloration. Brand: BUCHI model: V-700 model Number/MPN: Country of Manufacture: Switzerland voltage : 100-240VAC Frequency: 50/60 Hz Power: 210 W Built Year: 2011 condition: Used - No controller Cracked pump window See photos Maximum suction: 26 mbar Functional Testing: Tested, and Not Fully Power Supply: Included, The unit exhibits signs previous use, including scuffs scratches on its housing. This unit has a cracked pump window see photos and achieved maximum suction of 26 mBar during testing.

part #: v700 prices

• $1280.00-$2000.00

specifications valvplu:

• brand: Buchi
• mpn: V700
• model: V-700
• part type: Vacuum Window Pump Suction Controller
• pump type: Vacuum Pump
• country of origin: Switzerland
• unit type: Unit
• intended use/discipline: Biological Laboratory, Dental Laboratory, Medical Laboratory, Microbiological Laboratory, Physical Laboratory
• upc: 801234521404
• power source: Electric
• diaphragm pump type: Double Diaphragm Pump

shipping valvplu:

• service: UPS Ground, Expedited
• cost: $0.00
• type: Fixed
• carrier: UPS
• class: Standard, Expedited
• transit: 3-7 Days

payments valvplu:

• other
• credit card: Mastercard
• wallet: Apple-pay

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Diaphragm Pumps
• condition: For parts or not working

returns valvplu:

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

offer valvplu:

• sold: 0
• options: Ship-to-home
• best offers: True
• availability: In Stock
• quantity: 1
• started: March 17, 2026

seller valvplu:

• city: Fairfield, California
• rating: 99.9%
• # reviews: 1966

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