Variable-Ratio Die Lube Mixer
The Shamrock Model G Die Lube Mixer is designed to accurately and economically mix water soluble die lubricants to the desired dilution. Shamrock's Variable-Ratio Die Lube Mixer is powered by inlet water pressure. The mix ratio is adjustable over a range from 16:1 up to 200:1 using a single allen wrench. Other units are available with 3:1 up to 30:1, and 8:1 up to 75:1. Upper and lower limits are approximate and can vary with viscosity, distance from concentrate, etc. Selecting a mixer with the desired operating range near the middle of the mixer's capability is recommended. The lube concentrate is automatically siphoned into the mixer as needed. The water pressure drop across the mixer controls the pumping rate. Using normal city water pressure, with the minimum inlet pressure of 20 psi, the standard Model G Mixer will deliver over 100 gallons per hour of properly dilute die lubricant. With an inlet water pressure of 40 psi, the mixer will deliver up to 200 gallons of lube per hour.
UNIQUE DESIGN FEATURES:
The Shamrock Variable-Ratio Die Lube Mixer offers the ultimate in energy conservation. NO ELECTRICAL OR COMPRESSED AIR CONNECTIONS ARE REQUIRED. Inlet water pressure, as low as 20 psi, provides all the energy required for mixing and pumping. The lube concentrate is automatically siphoned directly into the mixer as needed. An adjustable pivot point controls the mixture ratio. Simply loosen two screws, slide the pivot to the desired ratio (as indicated by marks on the rocker arm) and re-tighten the screws.
The pumping rate, in gallons per hour, is governed by the inlet water pressure. With the minimum inlet pressure of 20 psi, the standard Model G Mixer will deliver over 100 gallons per hour of properly diluted die lubricant. With an inlet water pressure of 40 psi, the Mixer will deliver up to 200 gallons of lube per hour. The standard Model G Mixer provides mixture ratios infinitely variable from a minimum of 16:1 to a maximum of 200:1. For lower numeric mixture ratios, the Model G-3 mixer provides ratios ranging from a low of 3:1 to a maximum of 30:1. THe Model G-8 provides ratios ranging from 8:1 up to 75:1.
NOTE: The pumping rate for the Model G-3 is half that of the standard Model G.
SIMPLE OPERATION:
The use of large cylinders, ports, and valves assures a consistent mixture ratio over a wide range of pumping speeds. Even heavily pigmented lube may be successfully mixed since there are no check valves to stick or leak. A single manifold block mounted on the water cylinder minimizes mixer interconnect plumbing, with only one hose used between the manifold and the lube cylinder. The lube pumping circuit is designed to allow entrapped air to be purged automatically during normal operation.
The separate lube outlet port allows access for testing to verify proper output mixture ratios. During four operating cycles, the mixer will pump one gallon of water. For the standard Model G Mixer, simply compare the amount of lube discharged from the lube out port during four cycles to the one gallon of water to determine the actual mix ratio.
NOTE: For the Model G-3, multiply the measured flow by 5 before comparing to the one gallon of water discharged.
Four connections are required for operation. The inlet water supply hose and the lube concentrate siphon hose are connected directly to the valve manifold. The separate water out and lube out ports may be joined to a common outlet hose with "tee" fittings, or they may be run separately into a non- pressurized holding reservoir.
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