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HomeMetrology - LaboratoryMetrology and Test EquipmentWater measuring instrument Pressure gauge20P / 25P series
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Pneumatic calibration pumpLPP 40

Pressure gauge20P / 25P series

Frank W Murphy Ltd. | United Kingdom |

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Categories: Metrology - Laboratory, Metrology and Test Equipment, Water measuring instrument
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Description

20P / 25P Series

The 20P Series (2 inch/51 mm dial) and the 25P Series (2-1/2 inch/64 mm dial) Swichgage models are diaphragm-actuated, pressure-indicating gages with built-in electrical switches. These switches are used for tripping alarms and/or shutdown devices.

Ranges are available from 0-15 psi (103 kPa) [1.0 bar] through 0-400 psi (2.8 MPa) [28 bar].

The gage mechanism is enclosed in a steel case coated to resist corrosion. A polycarbonate, break-resistant lens and a polished, stainless steel bezel help protect this rugged, built-to-last instrument. Accuracy and protection from moderate overpressure is assured by a unique, unitized diaphragm chamber. A built-in pulsation dampener helps eliminate pointer flutter and is removable for cleaning. For models 20P and 25P, the gage pointer acts as a pressure indicator and as one switch pole which completes a circuit when it touches the adjustable limit contact. Contacts are grounded through the case and have self-cleaning motion to ensure electrical continuity.

Models 20PE and 25PE have internal snap-acting SPDT switches.

Gage-only models, without the switches (Murphygage®) are also available.

Base Models

20P and 25P Series Swichgage
The gage pointer makes with an adjustable contact to complete a pilot-duty circuit.

20PE Swichgage
20PE (was 20EO)
Features internal snap-acting SPDT switches, instead of the single pole/pointer contacts. When the switch closes on falling pressure, it becomes set, as pressure rises the switch resets.

Measured value : pressure, water
Applications : oil
Other characteristics : stainless steel, contact

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Tehran, Imam Khomeini St., Vali Asr Intersection, Fajr Passage, Second Floor, No. 203

09121572850

02166412312

02166981756

info@ogips.com

2017 All rights reserved for OGIPS Holding Company
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