P series - Pressure switches and Temperature switches
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Catalog excerpts

P series - Pressure switches and Temperature switches - 1

Industrial Range P Series Pressure switches and Temperature switches Characteristics* Gauge, absolute or differential pressure control Temperature control: direct bulb or through capillary Electrical contact or pneumatic signal output Protection for areas involving an explosion risk (ATEX) Explosion-proof enclosure Intrinsic safety Increased safety Explosion-proof contact Protection of pressure equipment against exceeding allowable limits (PED) Applications Industrial model Homogeneous, proven range Numerous qualifications (marine, energy, etc.) Extremely adaptable Made in France Temperature * depending on the models

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P series - Pressure switches and Temperature switches - 2

Contents Introduction Applications Working principle Type of housing Type of sensing element and connection Operating temperature limits Ambient operating temperature limits Storage temperature Reproducibility Recommendations Equipment designed for EXplosive ATmospheres (ATEX) Intrinsic safety Increased safety Explosion-proof safety Electrical or pneumatic functions Electrical contact Electrical function Pneumatic function Code numbers Gauge pressure switches: ranges and dead bands Diaphragm-actuated gauge pressure switches Bellows-actuated gauge pressure switches Gauge (continued) and...

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P series - Pressure switches and Temperature switches - 3

GEORGIN P Series PRESSURE SWITCHES and TEMPERATURE SWITCHES offer an extensive range of equipment suitable for the harshest operating conditions. The series is a justified choice whenever precision and reliability are necessary criteria. APPLICATIONS thermal or nuclear energy generation chemicals, petrochemicals, fertilisers textile industry, plastic materials diesel engines, pumps and compressors steam circuits, furnaces and burners, autoclaves metallurgy, steelmaking ambience control and climatic treatment gas, steam or hydraulic turbines shipbuilding for merchant or military navy glass...

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P series - Pressure switches and Temperature switches - 4

TYPES OF HOUSINGS Standard housing: zamak, epoxy paint coating Explosion-proof housing (RTPE): AS7G aluminium, epoxy paint coating 316 stainless steel external screws and fittings IP 66 (IP68 available as an option) IP 56 (IP66 available as an option) for diaphragm-actuated gauge pressure switch in ML, MPB, MABV, MJBV type standard housing as per EN 60 529 (IEC 529) External earth terminal Inner graduated scale with viewing window A stainless steel identification plate is fitted on an all stainless steel explosion-proof type instruments and on increased safety instruments. Options: External...

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P series - Pressure switches and Temperature switches - 6

ELECTRICAL CONTACT The electrical contacts used by Georgin are SPDT type. At rest, contact is established between C-NC. According to the type of action (opening or closure of the electrical circuit), the electrical connection is made on the terminal block between C-NC or C-NO. (1). Single fixed dead band electrical operation: Microswitch "only". Each type of microswitch has its own characteristics, as indicated in the catalogue. Models: 4, 4D, 10, 10D, 16, 16D, 98, 60, 60C, ... (2). Single adjustable dead band electrical operation: Microswitch combined with a spring (RE) to increase the...

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P series - Pressure switches and Temperature switches - 7

Maximum breaking capacity (resistive load) Pneumatic function type The control fluid must be compatible with the ISO-VG 10 standard (air, nitrogen, etc.). Maximum allowable filtration 5 pm. The standard materials for the cell body are polyamide, brass, and/or aluminium. The seals are made of NBR (other types on request). For certain models, exhaust is via open cable gland or screw terminal (mandatory for ATEX models). The control pressure applied to the unit affects the dead band: the lower the supply pressure, the smaller the dead band, and vice-versa. POTENTIOMETRIC FUNCTION...

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P series - Pressure switches and Temperature switches - 8

Instrument type pages 5 to 7 Electrical function type pages 3 and 4 DEAD BAND TABLE READING GUIDE Applicable to tables on pages 10/11/12 Example on P . PX type pressure switch A P . PX denotes a P series gauge pressure switch. For the sensitive element of P . PX with stainless steel bellows, the maximum pressure is 15 bar Its scale is 0.5 to 10 bar, which means that a setpoint can be adjusted when the pressure drops to between 0.5 and 10 bar. Please note that the setting range for a pressure rise setpoint is dependent on the associated microswitch. Note: the adjustment plate is indicative...

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P series - Pressure switches and Temperature switches - 9

px RTPE enotes, according to the type,of instrument, on tube andThe flange of the diaphragi tatic element are made ofstainless lows, Boyrdon tube a the the thermostatic e Inaddition to the referenc&.yoy still have to specify for a pressure - The type, ofconnector. (1/2“GM, ’A.InPIE mounting on separator, etc.) -The diaphragm material ifapplicable (Perbunan, viton or E.R). If a treatmenrsuch as degreasing, passivation or a helium test is to be envisaged, please specify this. For a temperature switch: - Tgedme ofbulb and ffapplicaBie, the type of capillary, its length and protection. that the...

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P series - Pressure switches and Temperature switches - 11

▲ Certain models can be produced for P static < 0. Please consult us. ♦ The DMKBV can only be produced with a "Perbunan" diaphragm. Diaphragm instruments MUST be mounted vertically (with adjustment screw facing upwards), with the diaphragm horizontal, on an appropriate mount. DMPB instruments are not advised for use on water. ♦ DML, DMPB instruments can have a very slight leak in the upper part of the diaphragm every time the state changes. BELLOWS-ACTUATED DIFFERENTIAL PRESSURE SWITCHES Example: For a DPB . QX11 in function 96, the pressure in the HP chamber must be greater than the...

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P series - Pressure switches and Temperature switches - 12

Standard capillary length: 2 metres ▲ Other dimensions can be envisaged if the ambient temperature and the adjusted temperature do not overlap. In WX range, 14.150 mm is the one and only length available

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P series - Pressure switches and Temperature switches - 13

Important remark on probe installation Thermostatic probes must be installed facing down, with the capillary outlet at the top. The measurement probe must not be placed in a horizontal position. The position of the probe can affect the operation of the temperature switch. This type of probe is intended for vertical use, and is placed lower than the housing. Any deviation from these conditions can affect the response time and operation of the device. By design, our temperature switches are filled to allow probe inclination of 45° without affecting operation. Beyond this value, operation is...

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