RP 50-S / RP 50-S INOX – Robust precision testing pump


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A precision testing pump (RP 50-S / RP 50-S INOX) is a robust, high-performance testing device designed for pressure testing of water lines and piping systems up to 60 bar in residential and industrial construction, as well as industrial containers. Suitable for use with water, oil, and glycol, it features high testing standards and supports expansion with an optional fine-scaling pressure gauge (0.1 bar) for testing up to 16 bar.

Precision testing pumps in the RP 50-S series feature a dual-valve system (Twin Valve) that enables self-testing of the pump as well as precise fine adjustment of the pressure. A steel mesh testing hose prevents reading errors caused by hose expansion during operation, while a drag indicator displays the preset pressure so pressure loss in the system can be easily detected.

Key Features & Application Benefits

  • A drag indicator displays the preset pressure so that a loss of pressure in the system can be detected easier
  • Reliable and precise testing results: the dual-valve system (Twin Valve) enables self-testing of the pump as well as a precise fine adjustment of the pressure
  • Especially precise reading as needed: finely scaled (scaling 0.1 bar) pressure gauge available separately
  • Testing hose with steel mesh prevents reading mistakes, that can happen when the hose expands during operation
  • RP 50-S: weather and cold-resistant steel container with DURAMANT coating
  • RP 50-S INOX: high-quality corrosion resistant stainless steel tank

Precision Testing Pump (RP 50-S / RP 50-S INOX) Specifications

Model Name ROTHENBERGER RP 50-S / RP 50-S INOX
Testing & Pressure Range 0-60 bar (1 bar steps) / 0-860 psi (20 psi steps) / 0-6 MPa (0.1 MPa steps)
Hub Suction Capacity approx. 45 ml/stroke
Tank Capacity 12 L
Connection R 1/2″
Dimensions (L × W × H) 495 × 165 × 255 mm
Tank Material RP 50-S: DURAMANT coated steel / RP 50-S INOX: Stainless steel
Valve Type Twin Valve System
Pressure Gauge Units bar, psi, MPa
Suitable Media Oil, Water, Glycol

Models & Accessories

Model Weight PU No.
RP 50-S 8.000 kg 1 60200
RP 50-S INOX 8.000 kg 1 60203
Maintenance package for RP 50-S 0.100 kg 1 60201
Double nipple 1/2″ to 3/4″ 0.100 kg 1 60999
High pressure hose with 1/4″ 0.490 kg 1 R6112500
Extra 16 bar pressure gauge 0.100 kg 1 61316

Related Tags: precision testing pump, rothenberger testing pump, rp 50-s testing pump

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Product Demo & Operation Video