Paragon PS Series Split Case Centrifugal Pump

The Paragon PS Series is a double suction, horizontal, split case centrifugal pump available in 46 sizes from 5x3-8 (125x80-210) to 36x36-31 (900x900-780) for heads up to 656 feet (200 m) and flows up to 80,000 GPM (18,000 m³/hr). The PS Series has a maximum operating pressure of 435 PSI (30 bar) and a maximum operating temperature of 221°F (105°C).

The Paragon PS Series pumps are used for air conditioning, cooling towers, irrigation and drainage pumping stations, power stations, industrial water supply systems, and fire fighting applications (hydrant pump).

Applications

• Waterworks
• Irrigation
• Air-Conditioning Systems
• Drainage Pumping Stations
• Power Stations
• Industrial Water Supply Systems
• Fire Fighting Applications in Refineries

Construction

Pump Casing

The casing is axially split, allowing removal of the complete rotor without disturbing the piping or motor. Pumps generating high heads have double volutes to reduce radial forces, ensuring minimal shaft deflection and low bearing loads. Replaceable wear rings protect the casing at the impeller running clearances. High head pumps are also fitted with replaceable impeller wear rings.

Impeller

The closed impellers have double curved vanes. The double suction design minimizes axial forces. Each impeller is statically and dynamically balanced according to ISO 1940.

Bearings

On both sides, the pump has grease-lubricated deep groove ball bearings, sealed for life. Optionally, oil lubrication is available.

Shaft Seal

Uncooled soft-packed stuffing box or uncooled single acting, unbalanced mechanical seal, according to DIN24960, independent of rotation direction.

For operating pressure ≥ 232 psi (16 bar): balanced mechanical seal (optional).

Technical Specifications

Discharge Diameter	80 ~ 600 mm
Max Capacity	2000 l/s
Max Head	170 m
Max Pressure	16 Bar (Standard), 25 Bar (on request)
Max Temperature	105ºC

Material Options

Component	Standard Bronze Fitted	Standard Cast Iron Fitted	Stainless Steel Construction
Casing	Cast Iron	Cast Iron	SS304 / 316 SS
Impeller	Bronze	Cast Iron	SS304 / 316 SS
Shaft	SS420	SS420	SS304 / 316 SS
Shaft Seal	Single Unloaded Mechanical Seal

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📄 Download Datasheet: Paragon PS Series Centrifugal Pump