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GEORGIN S.A.
Catalog excerpts
Safety for Industrial Process Temperature switches OTHER SPECIFIC FEATURES ■ Compact industrial series ■ Harsh environment versions ■ Gauge, absolute or differential pressure control direct bulb or through capillary ■ Electrical contact or pneumatic signal output ■ Protection for areas involving an explosion risk (ATEX)
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Working principle Type of sensing element and connection Operating temperature limits Ambient operating temperature limits Storage temperature Equipment designed for EXplosive ATmospheres (ATEX) 5 Intrinsic safety Increased safety Explosion-proof safety Electrical or pneumatic functions 6 Electrical contact Electrical function Pneumatic function Gauge pressure switches: ranges and dead bands 10 Diaphragm-actuated gauge pressure switches Bellows-actuated gauge pressure switches Bourdon tube pressure switches Absolute and differential pressure switches: ranges and dead bands 11...
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Introduction GEORGIN F 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 diesel engines, pumps and compressors the oil industry, from drilling to refining shipbuilding for merchant or military navy steam circuits, furnaces and burners natural or liquefied gas transport and storage rail transport braking safety gas, steam or hydraulic turbines water treatment Smooth...
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Construction Types of housings Standard housing: zamak, aluminium cover, epoxy paint coating Explosion-proof housing (RTPF): AS10G aluminium, epoxy paint coating Polyester housing (FPP) 316L/1.4404 stainless steel housing (FPX) 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 FML, FMS, FMT type standard housing as per EN 60 529 (IEC 529) External ground terminal Plumbing is performed directly using wires for FPP and FPX type instruments and requires a specific external kit...
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Equipment designed for EXplosive ATmospheres (ATEX) The tables below enable you to ascertain the product certification according to the protection index (IP66 except for FML, FMS, FMT which are IP56 unless specially requested otherwise) and the required installation area. INTRINSIC SAFETY Principle: gold-plated contact for low current to be associated with an I.S. interface (see fc-rdn-fren) Housing: standard
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Electrical or pneumatic functions Electrical contact The electrical contacts used by Georgin are SPDT type. At rest, contact is established between C-NC. NO C Position above the threshold NC Position below the threshold 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. Electrical functions Fixed dead band (1) Standard Adjustable dead band (2) Tight dead band Nitrogen sealed Expl. pr. (tight dead band) Nitrogen sealed Expl. pr. (tight dead band) 2 SPDT (3) (acting together) Adjustable...
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Electrical or pneumatic functions Maximum breaking capacity (resistive load) Contact No. Cable inlets The instruments (with the exception of polyester, stainless steel housings & explosion-proof housing) have one M16 type cable inlet and are supplied with 1 or 2 cable glands 5 to 10 mm in diameter (standard and I.S. instrument). The instrument can also be supplied without cable inlets. Explosion-proof housings are supplied as standard with a 3/4’’NPT type cable inlet. Cable glands are available as an option. The choice of cable gland directly affects the certification, and could lead to the...
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Diaphragm-actuated gauge pressure switch Bellows-actuated gauge pressure switch Bourdon tube gauge pressure switch Diaphragm-actuated differential pressure switch Bellows-actuated differential pressure switch Direct bulb temperature switch Bulb and capillary temperature switch Can only be associated with the electrical functions 60(C), 62(C), 160(C), 162(C), 170(C), 172(C) Stainless steel housing Single electrical function with fixed dead band Single electrical function with adjustable dead band Electrical function with 2 simultaneous contacts with fixed dead band* Electrical function with...
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Specific features Range and qualification of metal parts in contact with fluid The range information is detailed in the next 3 pages. Standard housing The information "X" denotes, according to the type of instrument, that the connector, bellows, Bourdon tube and the flange of the diaphragm-actuated instrument or the the thermostatic element are made of stainless steel. Explosion-proof housing In addition to the reference, we request you to specify for a pressure switch: - The type of connector (1/2’’GM, ¼’’NPTF, mounting on separator, etc.) - The diaphragm material if applicable (NBR, FKM...
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Gauge pressure switches: ranges and dead bands Diaphragm-actuated GAUGE pressure switches 1 SPDT Range adjustable dead band ≤ fixed dead band ≤ Pulses or transient pressure surge 200 bar version available - Code changes to FPAS For P (X) range pressure switches equipped with change-overs 96 or 106, the range becomes: 1 to 10 bar The "L" and "H" columns give the min dead bands for set points in the Lowest or Highest part of the range. Bellows-actuated GAUGE pressure switches 1 SPDT Range Type fixed dead band ≤ adjustable dead band ≤ for autoclaves For pressure switches equipped with SPDT 96,...
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Absolute and differential pressure switches: ranges and dead bands Bellows-actuated ABSOLUTE pressure switches 1 SPDT Range (absolute) fixed dead band ≤ 10 16 adjustable dead band ≤ 62 96 34 For RPTF type pressure switches, the maximum pressure will be limited to 8 bar absolute Diaphragm-actuated Differential pressure switches 1 SPDT fixed dead band ≤ 10 16 adjustable dead band ≤ 62 96 34 Max. Stat. P dead min/max band (operating) ≥ mbar bar Bellows-actuated Differential pressure switches 1 SPDT Range Type fixed dead band ≤ 10 16 adjustable dead band ≤ 62 96 34 Max. Stat. P dead min/max...
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