LDD3 pump
Lewa
Liquid name: isobutane.
Operating temperature (℃): 40.
Density (g/cm³): 0.53.
Viscosity at operating temperature (MPa s): 0.15.
Vapor pressure at operating temperature (bara): 5.28.
Presence of solid particles (%)/(mm): no.
Required flow (l/h): 230.
Supercharger operating pressure (bar): 300.00.
Working pressure on the suction line (bar): 5.5.
Operation in hazardous areas: Ex.
Drive mechanism: LDD.
Gear ratio: 1:8.33.
Eccentric offset (*): 0/120/240.
Piston stroke frequency (min⁻¹): 52-172.
Maximum piston stroke adjustment length (mm): 30.
Method of setting the piston stroke length: manual.
Pump head: 3 x Head. membrane pump M9105.
Piston - ⌀ (mm): 3x 25.
Flow rate at operating pressure (l/h): 251.22.
Maximum operating pressure (bar): 300.00.
Membrane failure signaling device: CO2 pressure gauge.
Suction side valve type (type/DN): check valve /10.
Discharge side valve type (type/DN): check valve /10.
Pump safety valve set pressure (bar): 330.00.
Minimum required suction pressure (bara): 5.36.
Suction pipe connection: ASME 1/2" 2500RJ.
Discharge piping connection: ASME 1/2" 2500RJ.
Pump head: 316/316L.
Membrane: Teflon (PTPE).
Suction valve seat: 1.4122 3.1
Suction ball valve: 1.3541 H
Pressure valve seat: 1.4122 3.1T
Pressure pipe ball valve: 1.3541 H.
Rated power (kW): 7.50.
Rotation speed (1/min): 1425.
Explosion protection marking: II2G Ex db eb IIC T4 Gb.
Protection degree: IP55.
Voltage (V): 400.
Frequency (Hz): 50.
Standard size: 132.
Installation version: B5.
Regulation range (Hz): 15.0-50.0.
