Manifold, refrigerant test

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OBJECT TYPE: N/A
DATE: 1935
ARTIFACT NUMBER: 1998.1007.001

MANUFACTURER: Imperial Brass Mfg. Co.
MODEL: Unknown
LOCATION: Chicago, Illinois, United States of America

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: test gauge set
Patents: N/A
General Description: metal (including brass & copper, and possibly steel); glass

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 69.8 cm
Width: 16.0 cm
Height: 6.3 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Industrial Technology
Category: Industrial equipment
Sub-Category: N/A

Manufacturer

AKA: Imperial Brass
Country: United States of America
State/Province: Illinois
City: Chicago

Context

Country: Canada
State/Province: Unknown
Period: This tool probably used c. 1935+
Canada: Unknown
Function: Used to obtain pressure readings, add oil, add or re-charge refrigerant or air, or for pumping refrigerant from one side to another or into a spare refrigerant drum.
Technical: Commonly used tool for servicing refrigeration and air conditioning equipment. The design of this example is typical: it features 2 gauge openings, 3 line connections and 2 shutoff valves that separate the gauge openings from the centre line connection. This manifold makes it possible to connect the system and perform servicing without removing the gauges. The manifold valve stems on this unit are fitted with hand wheels: a ratchet wrench is used on some other styles. The 3-line attachment fittings are usually flared, as on this device. The manifold is typically connected to the suction service valve and the discharge suction valve with flexible lines. (Ref. 5, pp.253-53.]
Area Notes: Unknown

Details

Markings: Low pressure gauge compound [on proper left] graduated -30-60, and labelled in increments of 10: gauge face reads "IMPERIAL/ BRASS MFG. CO./ CHICAGO", "VAC.", "PRESS.", and "13418-1". High pressure gauge [on proper right] graduated 0-300, and labelled in increments of 50: gauge face reads "IMPERIAL/ REF. GAUGE" and "12759-1. Valve handles bear round plate marked "SUPERIOR VALVE & FITTINGS CO./ PITTSBURGH, PA." & logo. "SUPERIOR PITTSBURGH" cast in raised print on valve fitting.
Missing: None.
Finish: Copper pipes; brass valve; steel (?) gauge casing; metal fittings; glass windows on gauges
Decoration: N/A

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Imperial Brass Mfg. Co., Manifold, refrigerant test, circa 1935, Artifact no. 1998.1007, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1998.1007.001/

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