20479275
9-2010/Rev 02
4-1
SECTION 4
LOW PRESSURE WATER SYSTEM
4.1 Overview
The low pressure water system, cutting water supply circuit, supplies the intensifier with the
required cutting water flow and pressure.
4.2 Cutting Water Supply
The quality of the inlet cutting water supply is one of the most important factors affecting
component life and performance. Impurities in the water create grinding and corrosive effects on
all components. See Section 10, Specifications, for details regarding water quality standards.
4.3 Operation
Cutting water is introduced through the 1/2-inch NPT connection on the bulkhead of the machine
and passes through the normally closed, inlet water solenoid valve. When the control power is
turned on, the solenoid valve opens and allows water to flow through the valve.
Figure 4-1: Low Pressure Water System
Inlet cutting water pressure, passing through the water solenoid valve, is displayed on the supply
gauge mounted on the front of the machine. Inlet cutting water pressure should be a minimum of
35 psi (2.4 bar) flowing and is monitored by a 30 psi pressure switch.
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