Air Line; Fluid Supply Line; Fluid Outlet Line - VERDER VERDERAIR VA-E25 Operation

Air Line

Line
Air Air Line
Models Models that Models that that Include Include a a a Compressor: Include Compressor: Compressor:
An air line is already connected from the compressor
to the pump air inlet.
Using Your Your Own Own Compressor: Compressor:
Using Using Your Own Compressor:
Install a grounded, flexible air hose from the
compressor to the 3/8 npt(f) pump air inlet.
Using Shop Shop Air: Air:
Using Using Shop Air:
1. Install an air filter/regulator assembly (H). The
fluid stall pressure will be the same as the setting
of the air regulator. The filter removes harmful
dirt and moisture from the compressed air supply.
2. Locate a bleed-type master air valve (G) close to
the pump and use it to relieve trapped air. Be
sure the valve is easily accessible from the pump
and located downstream from the regulator.
Trapped air can cause the pump to cycle
unexpectedly, which could result in serious
injury from splashing.
3. Locate another master air valve (J) upstream
from all air line accessories and use it to isolate
them during cleaning and repair.
4. Install a grounded, flexible air hose (F) between
the accessories and the 3/8 npt(f) pump air inlet.
859.0510
Fluid Supply Supply Line Line
Fluid Fluid Supply Line
1. Connect a grounded, flexible fluid hose (K) to the
fluid inlet port. The port on pumps with aluminum
or stainless steel fluid sections is 1 in npt(f) or
1 in. bspt. On pumps with polypropylene fluid
sections, the port is a 1 in. raised face ANSI/DIN
flange.
2. If the inlet fluid pressure to the pump is more
than 25% of the outlet working pressure, the
ball check valves will not close fast enough,
resulting in inefficient pump operation. Excessive
inlet fluid pressure also will shorten diaphragm
life. Approximately 0.2–0.3 bar (0.02–0.03 MPa,
3–5 psi) inlet fluid pressure should be adequate
for most materials.
3. For maximum suction lift (wet and dry), see
Technical Data, page
install the pump as close as possible to the
material source. Minimize suction requirements
to maximize pump performance.
Fluid Outlet Fluid Fluid Outlet Line Outlet Line Line
1. Connect a grounded, flexible fluid hose (N) to
the fluid outlet port. The port on pumps with
aluminum or stainless steel fluid sections is 1 in
npt(f) or 1 in. bspt. On pumps with polypropylene
fluid sections, the port is a 1 in. raised face
ANSI/DIN flange.
2. Install a fluid drain valve (L) near the fluid outlet.
3. Install a shutoff valve (M) in the fluid outlet line.
Installation
37. For best results, always
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