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The ZEEPACK P3-R & P4-R Pneumatic Rotary Valve Pumps are high-performance positive displacement pumps engineered for precise dosing and transfer of medium-high viscosity liquids (1K-100K CPS) and liquids containing small particles. Designed by ZEEPACK— a brand synonymous with "Sincerity, Quality, Precision"—these pumps deliver exceptional measurement accuracy (better than ±0.05%) and repeatability, making them ideal for industries where consistent fluid control is critical.
Available in multiple models (P3-R20, P3-R26, P4-1-R34 to P4-4-R34), the series offers flexible dispensing volumes ranging from 0-30 mL (P3-R20) to 0-232 mL (P4-4-R34), paired with adjustable cycle rates (0-60 to 0-150 CCP) and efficient air consumption (40-115 L/Min.). Constructed with full 316 stainless steel, the pumps resist corrosion and wear, ensuring long-term reliability in harsh industrial, cosmetic, food, and pharmaceutical environments.
At the core of the P3-R & P4-R pumps are precision ceramic rotary valves—a standout feature that enables seamless handling of medium-high viscosity fluids (1K-100K CPS) and liquids with fine particles. Unlike traditional metal valves, ceramic valves offer superior wear resistance and tight sealing, preventing leakage and maintaining dosing accuracy even after prolonged use. This makes the pumps suitable for thick substances like grease, silicone oil, and gel-based products.
The pumps integrate a micrometer head and built-in speed controller, working in tandem to ensure precise flow volume and rate control. Whether adjusting for small batch dosing or high-volume production, operators can fine-tune dispensing parameters to meet strict quality standards. This level of control guarantees a dosing accuracy better than ±0.05% and consistent repeatability, eliminating waste and ensuring product uniformity.
Every component of the P3-R & P4-R pumps is crafted from 316 stainless steel—a material chosen for its exceptional corrosion resistance and durability. This construction makes the pumps compatible with acidic, alkaline, and food-grade fluids, while also withstanding frequent cleaning (critical for food and pharmaceutical applications). The rugged design reduces downtime and extends the pump’s service life, even in high-cycle production settings.
Equipped with reliable air-controlled linkage valves, the pumps minimize maintenance needs and maximize operational uptime. The pneumatic drive system has fewer moving parts than electric alternatives, reducing the risk of mechanical failure. When maintenance is required, the modular design allows easy disassembly and part replacement—no specialized tools needed—saving time and labor costs.
Model | Plunger Dia. | Stroke | Dispensing Vol. | Cycle Rate | Air Consumption | Dimension(MM) | Weight | ||
MM | MM | ML | CCP | L/Min. | A | B | L | KG | |
P3-R20 | 31.8 | 38.1 | 0-30 | 0-70 | 40 | 125 | 50.8 | 337 | 6.5 |
P3-R26 | 41.3 | 38.1 | 0-50 | 0-70 | 40 | 125 | 50.8 | 337 | 6.5 |
P4-1-R34 | 54.0 | 25.4 | 0-58 | 0-150 | 51 | 137.7 | 31.75 | 338.6 | 8.8 |
P4-2-R34 | 54.0 | 50.8 | 0-116 | 0-120 | 85 | 166.3 | 50.8 | 414.8 | 9.5 |
P4-3-R34 | 54.0 | 76.2 | 0-174 | 0-90 | 102 | 204.4 | 50.8 | 491 | 10.3 |
P4-4-R34 | 54.0 | 101.6 | 0-232 | 0-60 | 115 | 242.3 | 50.8 | 516.4 | 11.5 |
The P3-R & P4-R pumps excel at filling zinc-gel for alkaline batteries. Their ability to handle high-viscosity gel (without clogging) and deliver precise volumes ensures each battery cell receives consistent electrolyte, improving battery performance and lifespan.
For cosmetic production, the pumps are ideal for dosing thick formulations like mascara, lipstick, Vaseline, and silicone oil. The ceramic valves prevent product contamination, while the high accuracy ensures each tube or container is filled to the exact volume—critical for brand consistency and consumer trust.
In food processing, the pumps safely handle sauces, butter, cheese, and mayonnaise. Constructed from food-grade 316 stainless steel, they meet hygiene standards (e.g., FDA, EU 10/2011) and avoid flavor or texture changes in sensitive food products. The precise dosing also reduces product waste during filling.
The pumps are suitable for medical applications like filling blood collection tubes (with anticoagulant gels) and pharmaceutical ointments. Their high accuracy (±0.05%) and corrosion-resistant design ensure compliance with strict medical regulations, while the particle-handling capability accommodates formulations with suspended active ingredients.
The P3-R & P4-R Pneumatic Rotary Valve Pumps are designed for medium-high viscosity liquids, with a range of 1K-100K CPS. This includes thick fluids like grease, gel, and silicone oil, as well as liquids containing small particles (e.g., textured sauces).
The pumps deliver exceptional dosing accuracy, with a margin of error better than ±0.05%, plus high repeatability. This precision is achieved through the combination of a micrometer head, built-in speed controller, and precision ceramic rotary valves.
Yes. The pumps feature full 316 stainless steel construction, which meets food-grade (FDA) and pharmaceutical (GMP) hygiene standards. For acidic fluids (e.g., citrus-based sauces), optional fluoroplastic pump bodies are available to enhance corrosion resistance.
Absolutely. The pumps have a compact, modular design that allows easy integration into automated filling lines. They support standard inlet/outlet connections (e.g., hose barbs, sanitary fittings) and can be synchronized with existing production controls to streamline operations.
