Diaphragm Type Modestly priced, medium accuracy differential pressure gauges and switches for use on filters, strainers, pumps, liquid level & local flow indication, etc.
All Mid-West Instrument Differential Pressure Gauges/Switches are designed to one or more of the Following Standards:
ASMEB1.20.1
ASME B40.1
CSA-C22.2 No. 14.25 & 30
EN-61010-1
NACE MR0175
NEMA Std. No. 250
SAE J5141
UL Std. No. 50, 508 & 1203
Precision Bellows / Bourdon Precision Indicators & Controllers of Differential Pressure, Flow, Liquid Level, Balancing, Leak Detection, Etc.
All Mid-West Instrument Differential Pressure Gauges/Switches are designed to one or more of the Following Standards:
ASMEB1.20.1
ASME B40.1
CSA-C22.2 No. 14.25 & 30
EN-61010-1
NACE MR0175
NEMA Std. No. 250
SAE J5141
UL Std. No. 50, 508 & 1203
Air Receiver Gauge Indicates remote process variable by receiving proportional change in pressure from a pneumatic transmitter. A wide Bourdon tube coupled with Helicoid′s exclusive Cam and Roller Movement provides required sensitivity. Dial information includes relationship between process variable and transmitted pressure.
Refrigeration Gauge For applications requiring a dual-scale dial showing the pres sure and temperature relationship of a refrigerant such as R-12, R-22, R-502, R-134A or ammonia. Standard dial provided with red temperature and black pressure scales in English units. Other colors and metric units can be provided.
Available in all sizes, case styles and system materials.
Small Gauges Dry and Liquid Filled Gauges (1 1/2′′, 2′′ & 2 1/2′′): Helicoid offers a complete line of pressure gauges in both conventional and liquid filled versions. A variety of models is available in pressures up to 15,000 psi. These gauges are equipped with a heavy duty sys tem for typical hydraulic and pneumatic service. Stainless steel housings are standard.
Absolute Pressure Gauge Same general construction features as standard gauges except that the pointer is set at 14.7 P.S.I. A. (or equivalent), under prevailing atmospheric pressure. This gauge is not compensated for changes in barometric pressure.
Head Pressure Gauge Same general construction features as standard gauges. Used for indicating the height of a liquid in a reservoir or tank. Liquid and specific gravity should be specified when ordering.
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