Table  RANGE CODE  AVAILABILITY Table  SWITCH CODE RATING  AVAILABILITY Note  ORDERING MATRIX Note  For Onoff Differential values ask for respective Differential table EGNA RE GNAR EGNAR EGNA RE GNA
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Table RANGE CODE AVAILABILITY Table SWITCH CODE RATING AVAILABILITY Note ORDERING MATRIX Note For Onoff Differential values ask for respective Differential table EGNA RE GNAR EGNAR EGNA RE GNA

0ot50 y ln0402 KO Cr ab51ot1 C4 Dr abm05ot5 C5 Dr abm57ot57 D8 Dr abm001ot01 B3 Ar abm002ot5 C3 Ar abm052ot5 K3 Ar ab610ot500 K4 Ar ab40ot800 K5 Ar ab1ot20 K1 Cr ab11ot10 K2 Cr ab2ot20 K6 Ar ab4ot40 K3 Cr ab6ot60 K7 Ar ab01ot1 K8 Ar ab61ot61 K9 Ar ab

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Table RANGE CODE AVAILABILITY Table SWITCH CODE RATING AVAILABILITY Note ORDERING MATRIX Note For Onoff Differential values ask for respective Differential table EGNA RE GNAR EGNAR EGNA RE GNA




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Presentation on theme: "Table RANGE CODE AVAILABILITY Table SWITCH CODE RATING AVAILABILITY Note ORDERING MATRIX Note For Onoff Differential values ask for respective Differential table EGNA RE GNAR EGNAR EGNA RE GNA"— Presentation transcript:


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Table1 : RANGE CODE & AVAILABILITY Table2 : SWITCH CODE, RATING & AVAILABILITY (Note 10) ORDERING MATRIX Note : For On-off Differential values ask for respective Differential table EGNA RE GNAR EGNAR EGNA RE GNAR EDOC EGNA RE GNAR EGNAR EGNA RE GNA R1 21 02 102 10 21 23 23 02 302 30 23 02 802/40 28 02/402 802/402 802/40 28 02/402 902/ 18 21 82 182 18 21 82 K1 Ar ab0ot1 y ln0402 K2 Ar ab5.0+ot5.0 y ln0402 KO Cr ab5.1+ot1 C4 Dr abm05ot5 C5 Dr abm57ot5.7 D8 Dr abm001ot01 B3 Ar abm002ot5 C3 Ar abm052ot5 K3 Ar ab61.0ot50.0 K4 Ar ab4.0ot80.0 K5 Ar ab1ot2.0 K1 Cr

ab1.1ot1.0 K2 Cr ab2ot2.0 K6 Ar ab4ot4.0 K3 Cr ab6ot6.0 K7 Ar ab01ot1 K8 Ar ab61ot6.1 K9 Ar ab02ot2 K4 Cr ab23ot8 K1 Br ab04ot01 K2 Br ab06ot01 K3 Br ab57ot51 K4 Br ab6.1ot3.0 K7 Br ab7ot7.0 B8 Pr ab51ot5.1 B3 Dr abm52ot5.2 K8 Xc Wmm0ot0001 y lno402 K9 Xc Wmm002+ot002 y lno402 HCTIW SH CTIWS HCTIWS HCTIW SH CTIWS EDOC )OCPS( AC CA AC GNITAR SPMANIGNITARC DS PMANIGNITARCD SPMANIGNITARCD SPMANIGNITARC DS PMANIGNITARCD YTILIBALIAV AY TILIBALIAVA YTILIBALIAVA YTILIBALIAV AY TILIBALIAVA NIOCPSFO SLEDOM YTILIBALIAV AY TILIBALIAVA YTILIBALIAVA YTILIBALIAV AY TILIBALIAVA NIOCPDFO SLEDOM EVITSISE RE

VITSISER EVITSISER EVITSISE RE VITSISE RE VITCUDN IE VITCUDNI EVITCUDNI EVITCUDN IE VITCUDNI V02 2V 022 V022 V02 2V 02 2V 01 1V 011 V011 V01 1V 01 1V 2V 42 V42 V4 2V 2V 02 2V 022 V022 V02 2V 02 2V 01 1V 011 V011 V01 1V 01 1V 2V 42 V42 V4 2V 42 2V 521/052A 55 2. 05 00 50 1. 05 2. 00 31 82&10 21 02 DV 521/052A5 12 04 00 22 0. 03 0. 00 .1 182,102 902&802,402 ,402,102 902&802 3V 521/052A51 .R.N .R.N .R.N .R.N .R.N .R.N 182,102 902&802,402 ,402,102 902&802 WV 521/052A5 13 05 00 65 0. 01 00 43 23 02 4V 521A1 .A. N5 05 .0 .A. N5 2. 05 2.0 182,102 902&802,402 ,402,102 902&802 5V 521/052A 52 04 00 42

04 00 .3 182,102 902&802,402 ,402,102 902&802 6V 521A1.0 .R.N .R. N1 .0 .R.N .R.N .A.N 182,102 902&802,402 ,402,102 902&802 .R.N .R.N .R. N0 .1 .R.N .R. N5 .0 182,102 902&802,402 ,402,102 902&802 8V 521/052A5 .A.N .A. N0 .5 .A.N .A. N0 .3 182,102 902&802,402 ,402,102 902&802 SV 521/052A 55 2. 05 00 31 02 00 .2 182,102 902&802,402 ,402,102 902&802 JV 052A5 .A.N .A. N0 .5 .A.N .A. N0 .3 182,102 902&802,402 ,402,102 902&802 KV 521A1 .A.N .A. N0 .1 .A.N .A. N5 .0 182,102 902&802,402 ,402,102 902&802 .A. N0 30 .0 10 .5 15 10 60 .0 13 02&10 21 02 EV 521/052A5 13 05 7. 00 .5 12 04 00 .01 ,402,102

902&802 --- FV 521/052A5 13 05 7. 00 .5 12 04 00 .01 ,402,102 902&802 --- Codes 2, 3, D & W For General purpose usages. Code 4 With Gold alloy contact. Code 5 For General purpose with good DC rating. Code 6 With Gold alloy contact (Low Rating) Code 7 Environmentally sealed switch with Gold plated contact. Code 8 Environmentally sealed switch with Silver alloy contact. Code J Hermetically sealed, inert gas filled with Silver alloy contact. Code K Hermetically sealed, inert gas filled with Gold plated contact. Code A High DC rated microswitch. Codes E & F Manual reset switch.

Auto change over on rising and falling pressure respectively. Resetting is Manual. Code S IP:67 sealed microswitch with silver Nickel contact. For DPCO, change switch code to 22, 33 , etc., while ordering N.A. Not Available N.R. Not Recommended ENCLOSURE Aluminium pressure die cast weatherproof to IP:66 with Nitrile gasket. GM 304 / 316 SS investment cast weatherproof to IP:66 with overall size as style GM for aggressive atmospheres. Fit for offshore. GA Aluminium die cast flameproof cum weatherproof. CIMFR approved to Gr.IIA, IIB & IIC of IS:2148:2004 for flameproof- ness and IP:66 for

weatherproofness. GK MODEL This is the basic pressure switch actuated by a seamless bellows having close fixed non- adjustable switching differential. 201 Same as 201, but with auxiliary mechanism permitting switching differential adjustment between 815% min. to 60% max. without disturbing the set point. 203 A variant of series 200, employs twin levers each operating a SPCO microswitch actuated by a single sensor through a unique linkage thereby providing two independent adjustable setpoints, each with its own setting scale, spring & switch. Min. separation between setpoints must be more than

sum of on-off differentials; or 10% of FSR whichever is higher. 281 Designed to operate in similar ranges as 201, except actuation is by a 316L SS diaphragm which withstands overpressures upto 100 bar. For overpressure upto 200 bar consult factory. 204 Similar to 204 but with ANSI 1" #300 RF or 2" #150 or 300 RF flange. Direct actuation by a 316L SS diaphragm. More responsive than using a chemical seal filled system and suitable for Viscous media. 208 Similar to 208 but having 2" nut and Silicone gasket connection to BS 4825 Part 4 for the food industry, free of cavities of crevices for

hygiene purposes. 209 MATERIALS OF WETTED PARTS Models 201, 203 & 281 Phosphor Bronze Bellows with brass wetted parts. 01 316L SS Bellows with 316 SS wetted parts. 02 316L SS Bellows with 316 SS wetted parts to NACE MR-01-75. 0N Monel bellows with Monel Wetted Parts 0M Models 204, 208 & 209 316L SS Diaphragm with 304 SS wetted parts and Nitrile O Ring. 04 316L SS Diaphragm with 316 SS wetted parts and Nitrile O Ring. 02 316L SS Diaphragm with 316 SS wetted parts and Viton O ring to NACE MR-01-75. 0N Monel Diaphragm with Monel wetted Parts and Nitrile O ring. 0M 316LSS Diaphragm with

316 SS wetted parts of welded construction. W2 Model 204 only 316L SS Diaphragm + 304 SS wetted parts + Teflon O Ring and backup Sheathing for special services. T4 316L SS Diaphragm + 316 SS wetted parts + Teflon O Ring and backup Sheathing for special services. T2 Model 208 only 316L SS Diaphragm + 304 SS wetted parts with Teflon Insert and Sheathing for Chlorine service. T4 RANGE CODE : Refer Table1 SWITCH CODE AND RATING Refer Table2 ELECTRICAL ENTRY Refer Table3 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33

33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33 33
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ezi Se ziS eziS ezi Se ziS yrtnEelgni Sy rtnEelgniS yrtnEelgniS yrtnEelgni Sy rtnEelgni Sy rtnElau Dy rtnElauD yrtnElauD yrtnElau Dy rtnElauD AG/M GA G/MG AG/MG AG/M GA G/M GK GK KG GK GA G/M GA G/MG AG/MG AG/M GA G/M GK GK KG GK FTE"4/ 3A- -M- -- FTPN"2/ 1 BBNN FTPN"4/ 3C- -O- -- .5.102 MDDPP 5.151 ME- -Q- -- rotcennoChguorh Tr otcennoChguorhT

rotcennoChguorhT rotcennoChguorh Tr otcennoChguorhT gulpnip 32 -- -- gulpnip 73- -- -- -- gulpnip 94- -- -- -- EGNA RE GNAR EGNAR EGNA RE GNAR EDOC )raBni(GNITAR.RP.XA M) raBni(GNITAR.RP.XAM )raBni(GNITAR.RP.XAM )raBni(GNITAR.RP.XA M) raBni(GNITAR.RP.XAM 182&302,10 21 82&302,102 182&302,102 182&302,10 21 82&302,10 24 24 02 402 40 24 02 edoCtnemel Ee doCtnemelE edoCtnemelE edoCtnemel Ee doCtnemelE 01 10 01 02 02 20 02 04 0/2 04 0/20 40/20 40/2 04 0/20 K1 AK 1A K1A K1 AK 1A 44 K2 AK 2A K2A K2 AK 2A 44 KO CK OC KOC KO CK OC 44 - C4 DC 4D C4D C4 DC 4D 22 0 01 C5 DC 5D C5D C5 DC 5D 22 - D8 DD 8D

D8D D8 DD 8D 22 0 01 B3 AB 3A B3A B3 AB 3A 22 - C3 AC 3A C3A C3 AC 3A 22 - K3 AK 3A K3A K3 AK 3A 44 AK 4A K4A K4 AK 4A 44 0 01 K5 AK 5A K5A K5 AK 5A 44 - K1 CK 1C K1C K1 CK 1C 44 - K2 CK 2C K2C K2 CK 2C 44 - K6 AK 6A K6A K6 AK 6A 88 0 01 K3 CK 3C K3C K3 CK 3C 99 AK 7A K7A K7 AK 7A 15 1- K8 AK 8A K8A K8 AK 8A 25 2- K9 AK 9A K9A K9 AK 9A 25 2- K4 CK 4C K4C K4 CK 4C 36 3- K1 BK 1B K1B K1 BK 1B -0 5- K2 BK 2B K2B K2 BK 2B -0 8- K3 BK 3B K3B K3 BK 3B -0 8- K4 BK 4B K4B K4 BK 4B -- -0 01 K7 BK 7B K7B K7 BK 7B -- -0 01 B8 PB 8P B8P B8 PB 8P -- -0 01 B3 DB 3D B3D B3 DB 3D -- -0 01 K8 XK 8X K8X K8 XK

8X -- -0 01 K9 XK 9X K9X K9 XK 9X -- -0 01 Table 3 : ELECTRICAL ENTRY NOTES Diaphragm chemical seals can be provided as optional extra either direct mounted or remote with capillary and threaded /flanged connection, duly evacuated and filled with suitable filling liquid. This device permits the use of pressure switches with bellows element with viscous / aggressive fluids and permits higher process temperatures. Switching lag will be present, when pressure changes rapidly. While ordering it is important to specify ambient and process temperatures, setpoint, maximum process pressure, relative

elevation between connection and switch head, nature of process medium and whether reactive to common filling liquids should the diaphragm seal leak into the process. Switching differentials for Instruments with chemical seal Apply a Multiplication factor of 1.3 for SPCO and 1.5 for DPCO to values given in Range Table for GM / GA housings and apply a multiplication factor of 1.2 for SPCO and 1.5 for DPCO to values of Differential Table for GK housings. Chemical seals are not available in certain models and ranges and also for instruments with PB Bellows. DIAPHRAGM CHEMICAL SEALS zz zz

Damping coil for minimising process pulsations increases instruments life many times. zz zz Blow out protection for weatherproof and flameproof enclosures. zz zz Snubbers, pigtail syphons, over-range protectors. zz zz Brass / 316 SS double compression cable glands to suit cable OD of 1/2", 15 mm & 17 mm. zz zz Degreasing for Oxygen service & special parts for Ammonia service. zz zz Provision of line fault monitoring. OPTIONS / ACCESSORIES Table 4 : MAXIMUM WORKING PRESSURE RATING (Note 13) Notes : 1) For Model 208 MWP restricted to Flange rating; for Model 209, MWP is 20 Bar. 2) Model 204

available with MWP of 200 bar on request. Cable gland available on request. Cable Entry is optional. Available on request. 1. Gr.IIA & IIB of IS:2148 is equivalent to NEC CL.1, Gr.C & D. Gr.IIC of IS:2148 is equivalent to NEC CL.1, DIV.1, Gr.A & B. 2. Style GM/GA is weatherproof only if all entries and joint faces are properly sealed. Style GK is weatherproof only if cover O ring is retained in position and flameproof only if proper FLP cable gland is used. It is recommended to procure cable glands along with GK instruments to avoid neglect of it while installation. 3. Intrinsic Safety (Exi)

Pressure switches are classified as simple apparatus as they neither generate nor store energy. Hence pressure switches in weatherproof (GM / GA) enclosures also may be used in intrinsically safe systems without certification provided the power source is certified IS. Because of the low voltages and currents it is recommended to use gold contact and / or sealed contacts. 4. Accuracy & Repeatability are not different for all blind pressure switches. A shift of 2% may be observed in setpoint when pressure falls from full static pressure. Settings will also shift with varying temperature. 5.

The instrument is calibrated in the mounting position depicted in the drawing. Mounting in any other direction will cause a minor range shift, especially in low and compound ranges. Ranges above 1 bar will not experience this shift. 6. A pressure switch is a switching device and not a measuring instrument eventhough it has a scale to assist setting. For this reason, Test Certificates will not contain individual ON-OFF switching values at different scale readings. Maximum differential obtained alone will be declared, besides other specifications. 7. Select working range of the instrument such

that the set value lies in the mid 35% of the range i.e., between 35% and 70% of range span. 8. For switching differential values please ask for Differential table. Switching differentials furnished are nominal values under test conditions at mid-scale and will vary with range settings and operating conditions. 9. On and off settings should not exceed the upper or lower range value. 10. DPCO action is achieved by two SPCO switches synchronised to practical limits i.e., 2% of FSR. Deadband for DPCO contacts are higher than that of SPCO as force required to actuate the contacts are more. Please

refer respective range table for exact values. 11. Contact life of microswitches are 5 10 switching cycles for nominal load. To quench DC sparks, use diode in parallel with inductance, ensuring polarity. A RC network is also recommended with R value in Ohms equal to coil resistance and C value in micro Farads equal to holding current in Amps. 12. In model 201 Pneumatic air switch can be incorporated instead of standard microswitch. In L code switch air output turns ON on falling pressure and in M code switch air output turns ON on rising pressure. These switches can be

connected to an air source of rating 7 bar maximum. Please consult factory for availability. 13. Higher Maximum Working Pressure is available on request for some ranges; but ON-OFF differentials will be higher. 14. Ambient temperature range: All models are suitable for operating within a range of ambient temperature from () 10C to (+) 60C provided the process does not freeze within this range. Below 0C, precautions should be taken in humid atmospheres to prevent frost formation inside the instrument from jamming the mechanism. Occasional excursions beyond this range are possible but

accuracy might be impaired. The microswitch is the limiting factor which should never exceed the limits () 50 C to (+) 80C. 15. Fluid Temperature: A pressure switch when connected to the process is not subjected to through flow and therefore is not fully exposed to the fluid temperature. Use of adequate length of impulse piping will greatly reduce excessive heating of the sensing element. For e.g., connection of 7.5 cm of 12 mm dia impulse piping will reduce water temperature of 100C to 65C at an ambient temperature of 50C. Ask factory for piping nomogram #4411844 for different

temperatures. 16. Ensure that impulse pipework applies no stress on sensing element housing and use spanners to hold pressure port / housing when connections are made. 17. For pressure above 75 bar, Switzer S20/920 series and GB930 (Bourdon Tube operated version) are available. Complementary instrumentation for differential pressure is available in Series 300. 18. Custom built instruments are available for special service requirements under Special Engineering Category. 19. For models 204 & 208, select proper O Ring material compatible with process medium. 20. Accuracy figures are exclusive

of test equipment tolerance on the claimed values. 21. All performance data are guaranteed to 5%.
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