• Twin pumps used in single pump operation and in parallel operation of two pumps.
• Suitable for installation in any position with horizontal shaft; terminal box in position 3-6-9-12 hours
• Intra-system bypass circulation to protect against legionella in the standby pump
• Increased reliability in single pump operation by a standby unit available at all times

Type

Glandless circulation twin pump with threaded connection; speed levels can be preselected for capacity regulation

Application

Potable water circulation systems for industrial and civil engineering applications.

Equipment/function

Operation modes

• Switching speed stages

Manual control

• Speed step setting (3 steps)

Accessories

• Built-in diverter valve in the pump casing
• Double conduit entry option
• Internal bypass
• Quick connection by means of spring clamps
• Electric motor resistant to blocking currents

Scope of delivery

• Pump
• Seals
• Installation and Operating Instructions

Explanation of designation

Technical Specifications

• Temperature of pumped liquid
  • Drinking water up to 3.21 mmol/l (18 °dH): max. +65 °C, in non-uniform mode (2 h) up to +70 °C
• Connection to mains 1~230 V, 50 Hz
• Protection class IP44
• Nominal diameter Rp 1
• Max. operating pressure 10 bar

Materials

• Pump casing: bronze
• Impeller: synthetic material
• Shaft: ceramic
• Bearings: graphite impregnated with synthetic resin