WATSON MARLOW PD22P Flexicon Peristaltic Filling Pump 91-251-022 Incomplete

( Brand: Watson Marlow ), ( Manufacturer Part Number: PD22P ), ( Part Type: Pump ), ( Supply Voltage: 230v ), ( Country Of Origin: Denmark )

Review WATSON MARLOW Flexicon Peristaltic Liquid Filling Pump Incomplete

The **Watson Marlow PD22P (Part No. 91-251-022) Flexicon Peristaltic Filling Pump** is a robust, high-performance industrial pump designed for precise and reliable fluid handling in a wide range of applications, particularly where contamination-free, non-invasive processing is critical. This model belongs to the Flexicon series, renowned for its durable construction and versatility in handling viscous, abrasive, or shear-sensitive liquids without the risk of product degradation or cross-contamination. The PD22P features a compact yet powerful design, incorporating a **22mm (0.866-inch) tube diameter**, which balances flow capacity with energy efficiency, making it ideal for medium to high-volume filling tasks in pharmaceuticals, food and beverage, cosmetics, and chemical processing industries. Its **peristaltic pumping mechanism** ensures gentle yet consistent fluid transfer by compressing and releasing a flexible tube, eliminating the need for seals or valves that could introduce leaks or contamination. The pump s modular construction allows for easy maintenance, with the tube assembly being the only consumable part that requires periodic replacement, significantly reducing downtime and operational costs. While this specific unit may be listed as incomplete, it retains the core components necessary for operation, including the motor housing, drive mechanism, and mounting base, which can be paired with a compatible tube and control system to restore full functionality. The PD22P is engineered for **hygienic and sanitary applications**, often used in CIP (Clean-In-Place) and SIP (Sterilize-In-Place) systems, where adherence to strict cleanliness standards is non-negotiable. Its adjustable speed control accommodates a broad range of flow rates, from slow, precise dosing to rapid filling cycles, while the absence of internal wetted parts minimizes maintenance requirements and extends the pump s operational lifespan. Whether integrated into an automated filling line or used in manual setups, this pump delivers consistent performance, making it a trusted asset for industries where reliability and product integrity are paramount.

### **Pros and Cons of Buying a Used Watson Marlow PD22P (91-251-022) Flexicon Peristaltic Pump (Incomplete)**

1. **Cost-Effective Alternative** Purchasing a used or incomplete pump can significantly reduce upfront costs compared to buying a new, fully functional unit. This is particularly beneficial for small businesses, startups, or operations with limited budgets.

2. **Proven Reliability** Watson Marlow peristaltic pumps are well-regarded in the industry for their durability, precision, and ability to handle a wide range of fluids, including viscous, abrasive, or corrosive liquids. The PD22P model is designed for medium to high-flow applications, making it versatile for various industries such as pharmaceuticals, food and beverage, and chemical processing.

3. **Low Maintenance Requirements** Peristaltic pumps are known for their simplicity in maintenance. The tubing (which is the only consumable part) can be easily replaced, reducing long-term operational costs. The pump itself has fewer moving parts compared to positive displacement or centrifugal pumps, which can translate to fewer breakdowns.

4. **Versatility in Applications** The PD22P model is suitable for filling, dosing, and transfer applications across multiple industries. It can handle a variety of fluids without contamination risks, as the product never comes into contact with the pump mechanism.

5. **Potential for Repairs or Upgrades** If the pump is incomplete, it may be possible to source missing parts (e.g., motor, controller, or tubing) and restore it to full functionality. Some components may be available from Watson Marlow or third-party suppliers, extending the pump s usable life.

6. **Resale or Trade-In Value** Even if the pump is incomplete, it may retain some resale value, especially if the core components (e.g., motor, drive mechanism) are intact. This could be useful if future upgrades or replacements are needed.

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1. **Incomplete Condition** The most significant drawback is that the pump is incomplete. Missing parts (e.g., motor, controller, tubing, or seals) may require sourcing, which could be time-consuming or costly. If critical components are unavailable, the pump may not be functional even after repairs.

2. **Uncertainty About Wear and Tear** Without access to the full history of the pump, it is difficult to assess its remaining lifespan. Hidden issues such as worn bearings, damaged seals, or electrical faults could lead to unexpected failures or require costly repairs.

3. **Compatibility Issues** If the pump was previously used in a specific application (e.g., handling aggressive chemicals), the tubing or seals may have degraded and become incompatible with new fluids. Testing would be necessary to ensure safe operation with the intended application.

4. **Limited Warranty or Support** Used equipment typically comes without warranties or manufacturer support. If issues arise during operation, troubleshooting and repairs would fall entirely on the buyer, potentially leading to downtime and lost productivity.

5. **Risk of Counterfeit or Modified Parts** If missing parts are sourced from third-party suppliers, there is a risk of purchasing counterfeit or substandard components that could compromise performance or safety. Ensuring authenticity and quality may require additional verification.

6. **Potential for Hidden Damage** Incomplete pumps may have been disassembled improperly, leading to damage that is not immediately visible. For example, misaligned components or damaged electrical connections could cause malfunctions that are not apparent until the pump is reassembled and tested.

7. **Time and Effort Required for Restoration** Restoring an incomplete pump to working order may require technical expertise, especially if the buyer lacks experience with peristaltic pumps. This could involve sourcing parts, testing compatibility, and performing repairs, all of which add to the overall effort and cost.

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### **Conclusion**

Buying an incomplete Watson Marlow PD22P (91-251-022) Flexicon peristaltic pump can be a cost-effective solution if the core components (e.g., motor, drive mechanism) are intact and can be easily sourced. The pump s reliability, low maintenance needs, and versatility make it a strong candidate for applications where cost savings are prioritized. However, the risks associated with incomplete condition, lack of warranty, and potential hidden issues must be carefully evaluated.

If the pump is relatively inexpensive and the missing parts are readily available, it may be worth the investment for a business with technical resources to restore it. Alternatively, if the pump is critical to operations or if the buyer lacks the expertise to handle repairs, it may be more prudent to invest in a new or refurbished unit to avoid downtime and ensure long-term reliability.

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### **Recommendation**

1. **Assess the Condition Thoroughly** Before purchasing, inspect the available components (e.g., motor, drive unit) for signs of damage or wear. If possible, consult a technician familiar with Watson Marlow pumps to evaluate the feasibility of restoration.

2. **Source Missing Parts Carefully** Verify the authenticity and compatibility of any required parts. Contact Watson Marlow or authorized distributors to confirm availability and pricing. Avoid purchasing from unverified suppliers to prevent receiving counterfeit or incompatible components.

3. **Budget for Restoration Costs** Factor in the cost of missing parts, labor (if hiring a technician), and potential testing to ensure the pump operates safely and effectively. If the total cost approaches or exceeds that of a new or refurbished pump, reconsider the purchase.

4. **Consider Alternative Options**

- **Refurbished Pump**: If available, a refurbished PD22P from a reputable supplier may offer better value with a warranty and reduced risk.

- **New Pump**: For critical applications, a new pump ensures reliability, warranty coverage, and peace of mind, though at a higher upfront cost.

- **Rental or Leasing**: If the pump is needed temporarily, renting or leasing may be a flexible and low-risk alternative.

5. **Test Before Full Commitment** If possible, request a trial run or demonstration of the pump s functionality with the intended fluid. This will help identify any issues early and avoid surprises during full-scale operation.

6. **Evaluate Long-Term Costs** Weigh the short-term savings of a used pump against long-term operational costs, including maintenance, potential downtime, and the risk of premature failure. For businesses with limited technical resources, the convenience and reliability of a new or refurbished pump may outweigh the initial cost savings.

**Final Verdict**: Proceed with caution. The purchase may be justified if the pump is significantly undervalued, the missing parts are easily obtainable, and the buyer has the technical capability to restore it. Otherwise, prioritize a new or refurbished unit to minimize risks and ensure uninterrupted operation.

Details:

30 Day Warranty. Up for sale is a Preowned / incomplete - Watson Marlow Flexicon PERISTALTIC Liquid Filling PD22P. Please look at the pictures, minimal signs of shelf wear, scratches and scuffs. Pulled out from a working environment as backup.

part #: pd22p prices

• $500.00-$895.00

specifications valvplu:

• brand: Watson Marlow
• mpn: Pd22p
• part type: Pump
• supply voltage: 230v
• country of origin: Denmark

seller valvplu:

• # reviews: 1094
• city: Apopka, Florida
• rating: 98.8%

offer valvplu:

• started: April 13, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock
• best offers: True
• quantity: 1

shipping valvplu:

• service: USPS Ground Advantage, USPS Priority Mail
• class: Standard, Expedited
• carrier: USPS
• cost: $174.10
• type: Calculated
• transit: 3-9 Days

returns valvplu:

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

payments valvplu:

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

general valvplu:

• Pumps Pump Accessories > Vacuum Pumps > Peristaltic Pumps
• condition: Used

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