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MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120 - Medium & High Operating Pressure Differential Gauges with Switch
MIDWEST INSTRUMENTMedium & High Operating Pressure Differential Gauges with Switch

MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120

The MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back is a medium and high operating pressure differential gauge with switch from the Series 120. It features a piston sensor type, a 2 1/2 in dial, and a…

SKU 3G-OTH-174587

Also listed as: 120SA00OCA50P · 120 SA 00 O CA 50P · 120-SA-00-O-CA-50P

Brand
MIDWEST INSTRUMENT
Item
Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120
Category
Medium & High Operating Pressure Differential Gauges with Switch
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

MIDWEST INSTRUMENT
Manufacturer Part Number
120-SA-00-O(CA)-50P
Series
120
Type
120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-50P)
NPT Female
1/4 in
Sensor Type
Piston
Gauge Accuracy
±3-2-3%
Housing Material
316L Stainless Steel
Certificate of Calibration
Not Included

Technical Documents

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MIDWEST INSTRUMENT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back is a medium and high operating pressure differential gauge with switch from the Series 120. It features a piston sensor type, a 2 1/2 in dial, and a 1/4 in NPT Female connection, with a gauge accuracy of ±3-2-3% and a housing made of 316L Stainless Steel. This model (MPN 120-SA-00-O(CA)-50P) does not include a certificate of calibration.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the MIDWEST INSTRUMENT 120-SA-00-O(CA)-50P differential pressure gauge and switch used for?

This instrument is used to measure and control differential pressure in medium and high operating pressure systems. It is suitable for industrial applications such as filtration monitoring, pump protection, and flow measurement where a piston sensor and a 2 1/2 in dial are required.

What are the specifications of the MIDWEST INSTRUMENT 120-SA-00-O(CA)-50P?

The Series 120 gauge has a piston sensor, 1/4 in NPT Female connection, 2 1/2 in dial, and gauge accuracy of ±3-2-3%. The housing is 316L Stainless Steel. It does not include a certificate of calibration. The manufacturer part number is 120-SA-00-O(CA)-50P.

Where to buy the MIDWEST INSTRUMENT 120-SA-00-O(CA)-50P worldwide?

You can source the MIDWEST INSTRUMENT 120-SA-00-O(CA)-50P through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

How to select a differential pressure gauge and switch for medium pressure systems?

Select a gauge with a piston sensor for viscous fluids, a 316L Stainless Steel housing for corrosion resistance, and a dial size readable at your installation distance. Ensure the connection size (e.g., 1/4 in NPT Female) matches your piping. Verify accuracy requirements; the MIDWEST INSTRUMENT Series 120 offers ±3-2-3%.

Used in

Common applications for MIDWEST INSTRUMENT
Filter monitoring in industrial water treatment — MIDWEST INSTRUMENT 522 series 3-color differential pressure indicators
Flow measurement in chemical processing — MIDWEST INSTRUMENT Series 120 piston-type differential pressure gauges
Liquid level indication in oil and gas storage tanks — MIDWEST INSTRUMENT Model 142 diaphragm-type differential pressure gauges
HVAC system filter condition monitoring — MIDWEST INSTRUMENT Series 130 differential pressure gauges with glass-reinforced plastic housing
Pump differential pressure monitoring in industrial plants — MIDWEST INSTRUMENT 522 series indicators with switch for alarm output

MIDWEST INSTRUMENT Products

3G Electric supplies MIDWEST INSTRUMENT medium & high operating pressure differential gauges with switch. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-100P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-100P)
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-20P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-20P)
Medium and high operating pressure differential gauge with switch, featuring a piston sensor and 2 1/2 in dial. Housing is 316L stainless steel with 1/4 in NPT female connection. Gauge accuracy is ±3-2-3%. Suitable for monitoring differential pressure in industrial processes such as filtration and pump protection
MIDWEST INSTRUMENT
Medium and high operating pressure differential gauge with switch, featuring a piston sensor and 2 1/2 in dial. Housing is 316L stainless steel with 1/4 in NPT female connection. Gauge accuracy is ±3-2-3%. Suitable for monitoring differential pressure in industrial processes such as filtration and pump protection
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-15P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-15P)
This medium and high operating pressure differential gauge with switch features a piston sensor and a 2 1/2 in dial with ±3-2-3% accuracy. The 316L stainless steel housing and 1/4 in NPT female back connection suit industrial applications such as filtration monitoring, pump protection, and flow measurement. No certificate of calibration included
MIDWEST INSTRUMENT
This medium and high operating pressure differential gauge with switch features a piston sensor and a 2 1/2 in dial with ±3-2-3% accuracy. The 316L stainless steel housing and 1/4 in NPT female back connection suit industrial applications such as filtration monitoring, pump protection, and flow measurement. No certificate of calibration included
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-5P)
MIDWEST INSTRUMENT
MIDWEST INSTRUMENT Differential Pressure Gauge & Switch: Back, 1/4 in NPT Female, 120, 2 1/2 in Dial (MPN 120-SA-00-O(CA)-5P)

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