
( Brand: Yamada ), ( Manufacturer Part Number: DP-20BSS-FDA ), ( Part Type: Pump ), ( Body Material: Stainless Steel ), ( Power Source: Pneumatic ), ( Diaphragm Pump Type: Double Diaphragm Pump ), ( Country Of Origin: Japan )
The **Yamada DP-20BSS-FDA Air Double Diaphragm Pump** is a high-performance, FDA-compliant fluid transfer solution engineered for precision, reliability, and versatility in pharmaceutical, biotech, and laboratory applications. Part of Yamada s renowned DP series, this pump combines advanced air-operated double diaphragm technology with robust construction to deliver consistent, pulsation-free flow rates while handling a wide range of viscous, corrosive, or abrasive fluids including acids, solvents, slurries, and sensitive biological samples. Its FDA-approved materials, including 316L stainless steel wetted components and FDA-compliant elastomers, ensure compliance with stringent regulatory standards, making it ideal for cleanroom environments and GMP-certified facilities. The pump s compact yet durable design features a self-priming mechanism, eliminating the need for external priming systems and reducing operational complexity. With an adjustable flow rate ranging from 0.1 to 20 GPH (0.4 to 7.6 LPM) and a maximum pressure output of up to 100 PSI (6.9 bar), it efficiently manages both low-volume precision dosing and higher-volume transfer applications without compromising accuracy. Its air-operated system eliminates the risk of electrical contamination, making it perfectly suited for handling pyrogen-free, sterile, or sensitive pharmaceutical formulations. The DP-20BSS-FDA also incorporates Yamada s patented **BSS (Bubble Seal System)**, which enhances sealing efficiency and minimizes air leakage, further improving energy efficiency and operational consistency. Equipped with a robust stainless steel housing and reinforced diaphragm assembly, this pump is built to withstand demanding environments, including temperature fluctuations and occasional exposure to aggressive chemicals. Its modular design allows for easy maintenance, with quick-release components and replaceable diaphragms that extend the pump s lifespan while maintaining hygiene standards. Whether used for filling, dispensing, or transferring fluids in pharmaceutical manufacturing, laboratory research, or bioprocessing, the Yamada DP-20BSS-FDA delivers unmatched reliability, precision, and compliance ensuring seamless integration into critical fluid handling workflows.
The **Yamada DP-20BSS-FDA Air Double Diaphragm Pump** is a popular choice for industrial, pharmaceutical, and laboratory applications due to its reliability and compliance with FDA standards. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.
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### **Pros of the Yamada DP-20BSS-FDA Pump**
1. **FDA Compliance and Sanitation**
- Designed for pharmaceutical, biotech, and food-grade applications, ensuring compliance with strict regulatory standards.
- Made from materials that resist corrosion and are easy to clean, reducing contamination risks.
- Suitable for handling sensitive liquids, including acids, solvents, and sterile fluids.
2. **High Reliability and Durability**
- Air-operated double diaphragm (AODD) technology eliminates the need for mechanical seals, reducing wear and tear.
- Minimal maintenance requirements compared to positive displacement pumps with seals or bearings.
- Long service life due to robust construction and fewer moving parts prone to failure.
3. **Versatile Flow and Pressure Capabilities**
- Handles a wide range of viscosities, from water-like liquids to thick slurries and abrasive fluids.
- Adjustable flow rates (up to 20 GPM) and pressure capabilities (up to 150 PSI) make it adaptable to various applications.
- Can operate in both suction and discharge modes, enhancing flexibility in system design.
4. **Energy Efficiency**
- Air-operated systems do not require electricity, making them suitable for hazardous or explosion-proof environments.
- Lower operational costs compared to electric pumps in applications where compressed air is already available.
5. **Safety Features**
- No electrical components reduce the risk of sparks or electrical hazards in flammable environments.
- Designed to handle shear-sensitive materials without degradation, preserving product integrity.
6. **Easy Installation and Operation**
- Plug-and-play design with minimal setup requirements.
- Simple controls and adjustable parameters for quick troubleshooting.
7. **Global Availability and Support**
- Part of Yamada s extensive product line, ensuring availability of spare parts and technical support worldwide.
- Proven track record in industrial and critical applications, backed by a reputable manufacturer.
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### **Cons of the Yamada DP-20BSS-FDA Pump**
1. **Dependence on Compressed Air**
- Requires a reliable source of compressed air, which may not always be available or may need additional filtration to prevent contamination.
- Poor air quality (e.g., moisture, oil, or debris) can damage the pump over time.
2. **Noise and Vibration**
- Air-operated pumps can generate noticeable noise and vibration, which may require additional soundproofing or vibration dampening in sensitive environments.
3. **Limited Precision for Low-Flow Applications**
- While versatile, the DP-20BSS may not offer the precision of metering pumps for highly controlled low-flow applications (e.g., dosing in micro-laboratories).
4. **Higher Initial Cost Compared to Basic Pumps**
- The FDA-compliant and industrial-grade construction makes it more expensive upfront than non-specialized pumps.
- Additional accessories (e.g., air filters, regulators) may be needed, increasing total cost.
5. **Maintenance of Air System**
- The compressed air system itself requires regular maintenance (e.g., filter changes, dryer maintenance) to ensure optimal pump performance.
6. **Size and Space Requirements**
- Larger footprint compared to some compact electric pumps, which may be a constraint in space-limited settings.
7. **Potential for Air Leaks**
- Air leaks in the diaphragm or fittings can reduce efficiency and require prompt attention to avoid downtime.
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### **Conclusion**
The **Yamada DP-20BSS-FDA** is an excellent choice for applications requiring **reliability, FDA compliance, and versatility** in handling a wide range of fluids, particularly in pharmaceutical, biotech, and industrial settings. Its **low-maintenance design, durability, and safety features** make it ideal for critical processes where contamination or failure cannot be tolerated. However, its **dependence on compressed air, higher cost, and noise levels** may pose challenges depending on the specific use case.
For users with **existing compressed air infrastructure** and applications demanding **high purity, abrasive resistance, or explosion-proof operation**, this pump is a strong recommendation. Conversely, for **low-budget, low-flow, or electricity-dependent applications**, alternatives like electric metering pumps or simpler diaphragm pumps may be more suitable.
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### **Recommendation**
**Buy the Yamada DP-20BSS-FDA if:**- You need an **FDA-compliant, sanitary pump** for pharmaceutical, food, or biotech applications.
- Your workflow involves **abrasive, viscous, or shear-sensitive liquids**.
- You already have a **reliable compressed air supply** and can invest in proper air filtration/drying.
- **Long-term reliability and low maintenance** are priorities over initial cost savings.
**Consider alternatives if:**- Your application requires **ultra-low flow rates or precise metering** (e.g., laboratory dosing).
- You lack **compressed air infrastructure** or cannot maintain it.
- Budget constraints make the upfront cost prohibitive, and a less expensive pump meets your needs.
For most **industrial or regulated environments**, the DP-20BSS-FDA delivers outstanding performance and justifies its cost through **reduced downtime, safety, and compliance benefits**. Pair it with a **high-quality air treatment system** (e.g., Yamada s air preparation units) to maximize its lifespan and efficiency.
This company renews machines, inventory and parts regularly it came from a decommissioned part of one their departments. FREE Shipping disclosure. No damage, as is. It uses compressed air to drive reciprocating diaphragms that move liquid through the pump without requiring electrical power.
20 PSI Maximum cycles per minute: approx. Please see pictures for more details. Believed to be used once or twice for a project and then discarded. The unit is used, but in great condition.
Model: DP-20BSS-FDA: Air operated double diaphragm AODD pump series: DP / NDP-20 series sanitary pumps Construction material: 316 stainless steel body Diaphragm Sauntering PTFE options depending on configuration Ball valve or compatible FDA elastics O-ring EPDM motor Aluminum engineered composite air-powered no electric required Maximum flow rate: up to approx. Yamada DP-20BSS-FDA Air Operated Double Diaphragm Pump America. 31.7 GPM 120 L/min Maximum air supply pressure: 100 PSI 6.9 bar Minimum approx. Guaranteed to work or your money back.