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118 SERIES

Product catalog summary

Overview: The document provides technical specifications and features of the 118ZC20/24 and 118ZC20/24UV models, designed for fuel cells and hydrogen recirculation. Key features include stainless steel reed valves or EPDM umbrella valves, oil-less operation, and a variable output brushless DC motor.

Features:

Stainless steel reed valves or EPDM umbrella valves for durability.
Oil-less operation with permanently lubricated bearings.
Lightweight nylon housing for ease of use.
Variable output brushless DC motor for flexibility.
Pressure or vacuum capability with balanced, low vibration operation.
Epoxy-coated aluminum parts for corrosion protection.
Stable, long-life diaphragms evaluated by CSA.

Options: An electronic controller module is required for the operation of the brushless DC motor. An optional control module (SK604530) is available for purchase.

Specifications:

Pressure/Vacuum: .200 inches
Flow at 24V DC at 2,000 rpm varies between models, with maximum continuous pressure at 20 psi (1.38 bar) and maximum intermittent pressure at 30 psi (2.07 bar).
Maximum vacuum is 24.2 in.Hg (820 mbar) for 118ZC20/24 and 23.8 in.Hg (810 mbar) for 118ZC20/24UV.
Motor voltage/frequency: 24V DC, 8 pole, 3 phase BLDC.
Current at rated load: 2.8A for 118ZC20/24 and 2.7A for 118ZC20/24UV.
Power at rated load: 68W for 118ZC20/24 and 64W for 118ZC20/24UV.
Net weight: 4.4 lbs (1.99 kg).

Performance Data: The document includes detailed performance data for both models, including flow rates at various pressures and vacuums, and ambient temperature specifications.

Additional Information: The document notes that the models pictured are representative of the series and advises consulting the factory for detailed physical descriptions. It also includes contact information for Thomas Division.

Catalog excerpts

Specifically designed for fuel cells, hydrogen recirculation Stainless steel reed valves or EPDM umbrella valves Oil-less operation Permanently lubricated bearings Lightweight nylon housing Variable output brushless DC motor Pressure or vacuum capability Balanced for smooth, low vibration operation All wetted aluminum parts epoxy coated for corrosion protection Stable, long life diaphragms Evaluated by CSA Electronic controller module required for operation of brushless DC motor. Optional control module - SK604530 - available for purchase. Consult factory for details.

Open the catalog to page 1

118 Series Performance Data MODEL NUMBER HEAD CONFIGURATION Front View mbar (gauge) MIN. AMBIENT START TEMP. MOTOR TYPE 8 pole, 3 phase BLDC 8 pole, 3 phase BLDC CURRENT AT RATED LOAD POWER AT RATED LOAD MINIMUM FULL LOAD SPEED AT NOMINAL VOLTAGE VALVE TYPE THERMAL PROTECTOR MOTOR VOLTAGE/FREQUENCY Right Side View 5X HALL SENSOR LEADS EPDM Umbrella The information presented in this material is based on technical data and test results of nominal units. It is believed to be accurate and reliable and is offered as an aid to help in the selection of Thomas products. It is the responsibility of the...

Open the catalog to page 2

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