Fluid Supply Line; Fluid Outlet Line - Graco ChemSafe 307 Instructions - Parts Manual

Installation
Fluid Supply Fluid Fluid Supply Line Supply Line Line
1. Use grounded, flexible fluid hoses (E). See
Ground The System, page
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 3–5 psi (0.02–0.03 MPa,
0.21–0.34 bar) should be adequate for most
materials.
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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 Outlet Line Line
Fluid Fluid Outlet Line
1. Use grounded, flexible fluid hoses. See
Ground The System, page
2. Install a fluid drain valve (F) near the fluid outlet.
3. Install a shutoff valve (G) in the fluid outlet line.
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29. For best results, always
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