Product: ER520NPPH
Country: Germany
Description: Piston Diaphragm Pump
Techical specification: Design, Data and scope of quotation in agreement with previous delivery·
Pump type ER520NPPH. N° 7518 + 7519. manufactured in 2014
Design: double-acting as horizontal one-cylinder pump with
vertical diaphragm casing
Capacity (m•/h): 12 ... 0, variation automatically, for filterpress
feeding
Head (bar) : 12
Piston-diameter (mm) : 140
Piston stroke (mm) : 105
Stroke rating (min-1) : 69
Type of valve : ball valve with changeable valve seat
Valve ON : 65
Average velocity within valve (m/s) : 1, 11 at the capacity of 12
m3/h
Design of Pump Head : Diaphragm Box with separate Dischargeand
Suction Valve, compact size of pump for reducing of
clearance volume
Material of parts that come into contact with the Liquid/Slurry to
be handled are made of:
Pump body and valves : Polypropylene
Pulsation dampener : Polypropylene
Diaphragm : Double diaphragm, designed as preformed rollerdiaphragm
with internal leakage indicator material: Perbunan
(NBR), ø240
Valve-seat : Polypropylene
Valve-ball : Ceramic, ø80 mm
Weight of pump (kg) : approx. 530
Pump complete with automatic pressure valve, Air Valve for
primary pulsation dampening, visual leakage indicator for pump
diaphragm, v-belt, v-belt pulley of pump gear, v-belt guard out of
steel and discharqe pulsation dampener.
The following painting is included in the price
- Pre-Treatment : Sandblasting, SA 2,5 (DIN 55928)
- Priming : Rustprimer (based on artificial resin)
- Finish-coat : Artificial resin coat, colour RAL 7015, slate grey
- Total thickness of coat : > 50 μm
Condition: New (Unused)
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