Sanitary Four-Piston Diaphragm Pump
Ultra-Low Pulsation · Low Shear · Fully Sealed
This four-piston diaphragm pump uses a four-chamber offset diaphragm driven by a motor, crank, and connecting rod. Its dead-leg-free flow path delivers sterile, smooth, low-shear fluid transfer. The complete unit supports on-line CIP/SIP and tolerates multiple wetted materials, suited to acid/base and sensitive biopharmaceutical transfer—ideal for chromatography, ultrafiltration, sterile buffer preparation, and drug delivery.
Key Features
Ultra-Low Pulsation
Four synchronized offset chambers reduce fluctuation, avoiding pressure shocks and improving protein recovery and stability.
Ultra-Low Shear
No impeller or high-speed oscillation—gently handles cell suspensions, antibodies, vaccines, and protein solutions.
Fully Sealed, Leak-Free
Diaphragm fully isolates drive and wetted head with support for repeatable and single-use heads.
Strong Self-Priming
Can run dry and tolerate air ingestion with high fault tolerance and long continuous operation.
Resistant to Acid/Base
Corrosion-resistant wetted materials tolerate buffers, dilute acid/base, and organic solvents.
Medium-Low Pressure Design
Meets the need for medium-low pressure sanitary pumps in radiopharma and insulin purification.
Applications
Specifications
| Models | Atma50 / Atma300 / Atma1000 |
|---|---|
| Flow Rate | 0.5–1200 L/h |