Walchem ehe series, Инструкция по эксплуатации

Страница: 5 / 30

1.3 Specifications
EH E35 E 1 - PC V
1 2 3 4 5 6
1 Pump Series
EHE Electronic metering pump with external pulse control or manual speed
control (adjustable to 360 strokes per minute) and manually adjustable
stroke length. (Typical turndown ratio 1800:1.)
2 Capacity/Pressure Rating
Output Capacity
(GPH) (mL/min)
Output per stroke
(mL)
Maximum Pressure
Size min max min max min max (PSI) (MPa)
Conn. Size (in)
Tubing O.D.
E30 0.0031 5.5 0.189 340 0.189 0.94 150 1.0 ½
E35 0.0047 8.5 0.289 520 0.289 1.44 105 0.7 ½
E45 0.0067 12.0 0.417 750 0.417 2.08 60 0.4 ½
E55 0.0111 20.0 0.694 1250 0.694 3.47 30 0.2 ½
3 Control Module
E For use on all EHE models, features analog and external pulse control
with pulse divide and multiply capability.
4 Voltage
1 115VAC, 50/60 Hz
2
230VAC, 50/60 Hz
5 Liquid End
Liquid End
Code
Pump Head &
Fittings
Diaphragm*
Valve
Balls
Valve Seat
Valve
Seals
Gasket Tubing
VC PVC PTFE CE FKM FKM PTFE PE
VE PVC PTFE CE EPDM EPDM PTFE PE
VF PVC PTFE PTFE EPDM EPDM PTFE PE
V6 PVC PTFE SS EPDM EPDM PTFE PE
PC
GFRPP PTFE CE FKM FKM PTFE PE
PE
GFRPP PTFE CE EPDM EPDM PTFE PE
FC PVDF PTFE CE PCTFE PTFE PTFE PE
VM
<
M-PVC PTFE CE FKM PTFE PTFE PE
<
E55 Model only * Bonded to EPDM
Materials of Construction
CE Alumina ceramic PCTFE Polychlorotrifluoroethylene
EPDM Ethylene propylene diene monomer PE Polyethylene
FKM Fluoroelastomer PTFE Polytetrafluoroethylene
GFRPP Glass fiber reinforced polypropylene PVC Polyvinylchloride (translucent)
M-PVC Machined polyvinylchloride PVDF Polyvinylidenefluoride
SS 316 Stainless steel
6 Special Head Options
Blank
Standard ½” tube connection with tube style injection & foot valves
.
V
Standard ½” tube connection with back pressure/anti-syphon valve, tube style injection & foot valves.
T
¾” NPT (male) pipe thread connection. No accessory valves
.
P
¾” NPT (male) connection with back pressure/anti-syphon valve.
4