The Pentax CM 50 is a single-impeller, single-stage centrifugal water pump engineered for reliable clean-water handling in domestic, residential and light industrial applications. Designed for quiet operation and a very flat performance curve, the CM 50 provides steady pressure across varying flow rates, making it ideal for pressure boosting, garden irrigation, household water supply and general clean-water transfer tasks.

• Brand / Model: Pentax CM 50 (SKU: 022-110).
• Voltage / Frequency: 230V, 50Hz (single-phase).
• Motor Power: 0.37 kW (0.5 HP).
• Performance: Up to ~90 L/min (maximum flow) and up to ~22 m head (maximum).
• Connections: 1" BSP female inlet & outlet.
• Construction: Cast iron pump body, technopolymer (Noryl) impeller for CM50, ceramic-graphite-NBR mechanical seal.
• Protection & Limits: IP44 protection class, suitable for liquid temperatures up to ~50°C (Noryl impeller); for clean water only (no abrasives).
• Size & Weight: Compact footprint (approx. H 202 × W 160 × L 265 mm) and around 9 kg.

Built as a compact monobloc-style pump with robust cast-iron components and a corrosion-resistant impeller option, the CM 50 balances durability with efficient, low-noise performance. The mechanical seal and quality motor construction (insulation class F) support long service life when used within specified conditions. Typical uses include household supply, light irrigation, boiler feed, and general clean-water circulation. Follow manufacturer installation guidelines for mounting, electrical connection and seasonal protection to ensure optimum reliability.