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4.1 of 5.0 with 9 Reviews
SALE PRICE: $137.31
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 106-FE-00-OO
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 106-FE-00-OO
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Mid-West Instrument bellows type differential pressure gauge. Model 106 System pressure is applied to the internal volume of a bellows and mechanical linkage assembly. As pressure changes, the bellows and linkage assembly move to cause an electrical signal to be produced or to cause a gauge pointer to move. The major components are a two-piece body, multiple diaphragm/bellows sensing element and over-pressure assembly, a torque tube assembly, a range spring and the gauge front assembly. The body halves provide the pressure containment function. They also clamp the sensing element and over-pressure assembly between the halves, isolating the high side and low side pressures of the system. The high side body half also provides a mount for the torque tube assembly and the gauge front assembly. Model 106 assembly incorporates a bi-directional relief valve which provides over-pressure protection in both directions. When over-pressured from the high side, the valve is opened by a mechanical stop as the sensing element deflects to its maximum travel. When over-pressured from the low side, the spring-loaded valve opens when the differential pressure exceeds its maximum rating. The opening of the valve in either direction equalizes the pressure and protects the unit. Aluminum body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT top and bottom connections, 6-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-1 percent full scale (ascending). Shatter resistant acrylic lens.
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4.1 of 5.0 with 3 Reviews
SALE PRICE: $162.50 1% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 122-AA-02-O(MA)
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 122-AA-02-O(MA)
Mid-West Instrument piston type differential pressure gauge. Simple, rugged, compact design. Over-range protection to maximum pressure. Weather resistant construction standard. Shatter resistant acrylic lens. A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers, etc., and for local flow indication and control. Proof pressure: two times rated working pressure at ambient temperature. Aluminum body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT end connections, 2-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-5 percent full scale (ascending). One reed switch (clamp-on). SPDT 3W, 0.25 Amp, 125 VAC/VDC (standard) (switch adjustable range of 10-100 percent).
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4.1 of 5.0 with 44 Reviews
SALE PRICE: $164.00 1% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 120-AC-00-OO
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 120-AC-00-OO
Mid-West Instrument piston type differential pressure gauge. Simple, rugged, compact design. Over range protection to maximum pressure. Weather resistant construction standard. Shatter resistant acrylic lens. A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers and for local flow indication and control. Five year limited warranty. Two times rated working pressure at ambient temperature. Aluminum body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections, 4-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-2 percent full scale (ascending).
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4.1 of 5.0 with 11 Reviews
SALE PRICE: $164.00 1% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 120-AC-00-OO
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 120-AC-00-OO
Mid-West Instrument piston type differential pressure gauge. Simple, rugged, compact design. Over range protection to maximum pressure. Weather resistant construction standard. Shatter resistant acrylic lens. A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers and for local flow indication and control. Five year limited warranty. Two times rated working pressure at ambient temperature. Aluminum body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections, 4-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-2 percent full scale (ascending).
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4.1 of 5.0 with 41 Reviews
SALE PRICE: $180.25 63% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 142-SC-00-OO
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 142-SC-00-OO
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Mid-West Instrument diaphragm type differential pressure gauge. Weather resistant construction standard. Over range protection to full rated working pressure. Shatter resistant acrylic lens. Ideally suited for use on dissimilar fluids and wet gas or fluids with a high concentration of solids. Five year limited warranty. Total separation of high and low pressures by a Convoluted Elastomer Diaphragm. Sensor magnetically coupled to the indicating pointer and optional switches. Common applications: filter/strainer monitoring, compressed air, hydraulic, refrigerant, pump performance testing, heat exchanger pressure drop monitoring, water treatment applications, tank level monitoring horizontal or vertical, flow monitoring and balancing. Two times rated working pressure at ambient temperature. 316 Stainless steel body material. 316 Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections, 4-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-2 percent full scale (ascending). Teflon guide bushings.
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4.1 of 5.0 with 16 Reviews
SALE PRICE: $184.84 6% OFF
Manufacturer: Dwyer Instruments
Brand: Dwyer
Model: 4150
Manufacturer: Dwyer Instruments
Brand: Dwyer
Model: 4150
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The Dwyer Capsuhelic series 4000 differential pressure gauge with an aluminum case has a circular 4" (100 mm) dial, and four female 1/4" NPT rate connections, and measures pressure with single scale in inch water column (WC), mm WC, cm WC, psid, or kPa with a display accuracy of + or - 3 or 4%. The die-cast aluminum case with impregnated hard coating is for measuring air and compatible gases and oil-based liquids. The circular dial is 4" in diameter and measures pressure with a single scale in inch water column (WC), mm WC, cm WC, psid, or kPa. The pressure being measured is held within a capsule in the gauge, which permits the use of the gauge on system pressures of up to 500 psig, even with differentials less than 0.1 in WC. The gauge accuracy is + or - 3% of full scale at 70 degrees F (21.1 degrees C) with + or - 4% of full scale on some models. The pressure limits are -20" Hg. to 500 psig. The temperature limit is 20 to 200 degrees F (-6.67 to 93.3 degrees C). Four female connections with 1/4" NPT (National Pipe Thread) rate provide for vertical mounting of the gauge. The connections are paired with one high and low pressure pair of taps on top for air and gas and one high and low pressure pair on bottom for liquids. This gauge is suitable as a readout device when measuring flowing fluids, pressure drop across filters, liquid levels in storage tanks, and other applications involving pressure, vacuum, or differential pressure. The gauge comes with two 1/4" NPT plugs for duplicate pressure taps, four flush mounting adapters with screws, and four surface mounting screws.Pressure gauges are instruments used to measure the pressure of a gas or liquid inside a vessel and, often, to help ensure the optimal amount of pressure for a given application. Pressure gauges can range from everyday instruments, such as those used to measure the air pressure in a car or bicycle tire, to highly accurate gauges used in mechanical and industrial processing. Most often, pressure gauges measure pressure relative to another referenc...
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4.1 of 5.0 with 15 Reviews
SALE PRICE: $191.11 27% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 140-AA-00-OO
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 140-AA-00-OO
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Mid-West Instrument diaphragm type differential pressure gauge. Weather resistant construction standard. Over range protection to full rated working pressure. Shatter resistant acrylic lens. Ideally suited for use on dissimilar fluids and wet gas or fluids with a high concentration of solids. Five year limited warranty. Total separation of high and low pressures by a Convoluted Elastomer Diaphragm. Sensor magnetically coupled to the indicating pointer and optional switches. Common applications: filter/strainer monitoring, compressed air, hydraulic, refrigerant, pump performance testing, heat exchanger pressure drop monitoring, water treatment applications, tank level monitoring horizontal or vertical, flow monitoring and balancing. Two times rated working pressure at ambient temperature. Aluminum body material. 316 Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections, 2-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-2 percent full scale (ascending). Teflon guide bushings.
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4.1 of 5.0 with 34 Reviews
SALE PRICE: $202.58 5% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 121-AA-00-O(EA)
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 121-AA-00-O(EA)
Mid-West Instrument piston type differential pressure gauge. Over-range protection to maximum pressure. Weather resistant construction standard. Shatter resistant acrylic lens. A low cost differential pressure gauge for use in measuring the pressure drop across filters, strainers, separators, valves, pumps, chillers, etc., and for local flow indication and control. Proof pressure: two times rated working pressure at ambient temperature. Aluminum body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections, 2-1/2-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-2 percent full scale (ascending). One switch in general purpose enclosure, division 2 hazardous locations (1) (2). SPDT 3W, 0.25 Amp, 125 VAC/VDC (standard) (switch adjustable range of 15-95 percent).
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4.1 of 5.0 with 6 Reviews
SALE PRICE: $217.37 1% OFF
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 109-QE-00-OO
Manufacturer: Mid-West Instrument
Brand: Mid-West Instrument
Model: 109-QE-00-OO
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Mid-West Instrument bourdon tube type differential pressure gauge. Model 109 System pressure is applied to the inside of a slightly flattened arc- shaped tube. As pressure increases, the tube tends to restore to its original round cross-section. This change in cross-section causes the tube to straighten. Since the tube is permanently fastened at one end, the tip of the tube traces a curve that is the result of the change in angular position with respect to the center. Powered by a test quality Bourdon Tube assembly, the assembly is encapsulated in a high pressure chamber that is fitted with a pressure connection to the inside of the Bourdon Tube and a second connection to the pressure chamber. Model 109 assembly incorporates a bi-directional relief valve which provides over-pressure protection in both directions. When over-pressured from the high side, the valve is opened by a mechanical stop as the sensing element deflects to its maximum travel. When over-pressured from the low side, the spring-loaded valve opens when the differential pressure exceeds its maximum rating. The opening of the valve in either direction equalizes the pressure and protects the unit. 316 Stainless steel body material. Stainless steel internal metal part. Buna-N seal material. 1/4-inches FNPT back connections (stainless steel), 6-inches uni-directional round dial, weather resistant engineered plastic case, accuracy +/-1 percent full scale (ascending). Shatter resistant acrylic lens.
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4.1 of 5.0 with 38 Reviews
SALE PRICE: $240.00 1% OFF
Manufacturer: Dwyer Instruments
Brand: Dwyer
Model: MP-040
Manufacturer: Dwyer Instruments
Brand: Dwyer
Model: MP-040
Differential pressure switch/gage combines the time proven Minihelic II differential pressure gage with two SPDT switching set points. The Mini-Photohelic switch/gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases. Gage reading is independent of switch operation. Switching status is visible by LED indicators located on the front and rear of the gage. Set points are adjusted with push buttons on back of unit. This extremely compact switch/gage is ideal for fume hoods, dust collection, pneumatic conveying and clean room applications.
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