SANMUR CONTROLS PVT. LTD.

Transcription

1 Decide with confidence NMUR CONTROLS NMUR CONTROLS PVT. LTD. An ISO 900:008 Certified Company

2 The name NMUR has been synonymous with reliability and quality in terms of products, services and systems integration. With a view to serving the market more effectively Sanmur is now manufacturing the following product ranges under approval from the leading test agency Electrical Research Development Association (ERDA), who are recognized by National Accreditation Board for Testing and Calibration Laboratories (NABL), Department of Science and Technology (DST), Govt. of India.Weather proof enclosure tests conforming to IP degree of protection as per IS has been approved by the Institute for Design of Electrical Measuring Instruments, (IDEMI), Mumbai. Sanmur can also cater to customised range of pressure and differential pressure switches for wide spectrum of industry covering textile machinery, boilers, furnaces, power generation and distribution, railways, steel, fertilizers and pharmaceuticals, paper and pulp, food and beverages, cement, ship yard, environment etc. ORDERING PATTERN NMUR CONTROLS ) Series (Order Code: ) ) Series (Order Code: ) 3) Series (Order Code: ) 4) DP Series (Order Code: DP) SWITCH RANGE (Kg/cm ) Series SWITCH SERIES Range Code RANGE CODE C00 C0 C 0C Enclosure Sensor System AVAILABLE IN SERIES,,, DP,, DP,,, DP,, DP,,, Micro Switch Process Connection NMUR offers pressure and differential pressure switches as standard products in the following series. RANGE CODE MAX. PRESSURE (Kg/cm ) 0 for, 0 for, / for 0 for, do do do do do do do do do do do do for,, DP 4 for, DP, 40 for, 0 for, 0 for, 00 for 0 for 40 for 30 for Electrical Entry Pressure Switches with fixed differentials for all ranges using SS diaphragm Pressure Switches with adjustable differential using SS diaphragm Calibration Pressure Switches with low range, low pressure and fixed differential using SS diaphragm Differential Pressure Switches using SS diaphragm. Accessories

3 NMUR CONTROLS mbar mbar. 0 mbar 0. 0 mbar mbar mbar mbar mbar mbar Customer specs. ENCLOSURES C0 C40 M0 M0 M0 M30 M40 M0 M0 XXX The instruments will be available in three types of enclosures. Weather Proof (Order Code: WP) Flame Proof Flame Proof SENSOR SYSTEM (Order Code: FP) (Order Code: FC) Kg/cm Pressure Die cast aluminium enclosure with powder coating conforming to IP degree of protection as per IS , DP, DP, DP do do do do do do do do do do Flame Proof and Weather Proof enclosure of cast iron for gas group I & LM material for gas groups IIA & IIB, certified by ERTL Kolkata as per IS4898 and IP degree of protection. Flame Proof and weatherproof enclosure of LM material certified by ERTL Kolkata for gas group IIC as per IS4898 and IP degree of protection. The combinations of Sensor types and materials available in Sanmur range of Pressure and Differential Pressure Switches are as below Type Diaphragm Diaphragm Diaphragm Diaphragm Material SS SS SS SS Wetted Parts Aluminium MS ( EN 8 ) SS Brass Order Code AS MS SS BS Note: *Nonstandard material like Silicon, EPDM, VITON can also be given. Order code for these will be XA as per customer requirement. SENSOR SIZES Range Code M40, M0, M0, Series Sensor Size (mm) Diameter x Length 8 x 4 C0, C40, M0, M0, M0, M 30 0,03,040,00,00 C00, C0, C 0, 0, 00, C00, C0, C, 0,0, 00, 004, 00, 00, 0 M0, M0, M30 004, 00, 00, 0 0, 0,,, DP DP, 00 x x 3 x 40 x 30 8 x 7 0 x 4 44 x 8 0 x 40

4 MICRO SWITCHES: (Electrical Data) Elec. Rating Micro switch Type No. of MSW AC DC Res. Ind Order Code Available in series SPDTgeneral purpose A / 0 V AC ,, DP NMUR CONTROLS SPDTgeneral purpose, low dead band SPDTgeneral purpose low dead band SPDT SPDT low dead band, high current SPDT high dead band *Hermetically sealed with silver contacts *Hermetically sealed with gold contacts. SPDT General Purpose SPDT High Dead Band A / 0 V AC 0A / 0 V AC 0 A / 0 V AC A / 0 V AC A / 0 V AC A / 0 V AC A / 0 V AC A / 0 V AC 4A / 30 V AC 4A / 30 V AC A / VAC A / VAC A / 0 V AC A / 0 V AC A / 0 V AC , DP, DP,, DP, DP, DP, DP,, DP, DP,, DP SPDT*high DC rating 0A / V AC 0 0, 0 DPDT* ( NO. NC.) 0 A / 0 V AC , * Consult NMUR for Switching Differential / gold contacts

5 SWITCHING DIFFERENTIAL CHART Range (Kg/cm ) Model Micro Switch Code NMUR CONTROLS mbar mbar, DP, DP,, DP, DP, DP, DP, DP, DP DP DP mbar mbar, DP mbar, DP mbar, DP mbar mbar mbar For SPDT versions (Example 0,0 etc.), & flame proof versions the switching differential will be approximately. times the corresponding value for SPDT version, given in the chart. In SPDT version the microswitches will operate almost at the same set point,with a maximum difference of % FSR.

6 PROCESS CONNECTION The different process connections available with ordering codes are as under Size Type of Threads BSP (F) BSP (M) NPT (F) NPT (M) BSPT (F) BSPT (M) /4 AM AS AM AS A3M A3S A4M A4S AM AS AM AS /8 BM BS BM BS B3M B3S B4M B4S B BS BM BS NMUR CONTROLS Note: / 3/8 3/4 ET 3/4 ET / NPT (F) / NPT (F) / BSP (F) / BSP (F) EM ES DM DS EM ES DM DS M = MS (EN 8), S = SS Code 99X for customer specific requirement. ELECTRICAL ENTRY / CABLE GLAND 3/4 ET SCCG 3/4 ET DCCG with Brass 3/4 ET DCCG with SS / NPT DCCG with Brass / NPT DCCG with SS / BSP (F) DCCG with Brass / BSP (F) DCCG with SS 7 Pin connector TYPE Direct SS adapter Brass adapter SS adapter Brass adapter SS adapter WP / FP / FC WP / FP / FC WP / FP / FC WP / FP / FC WP / FP / FC WP / FP / FC WP / FP / FC E3M E3S D3M D3S E4M E4S D4M D4B EM ES DM DS ORDER CODE DEO DES DE DE DE3 DE4 DEN WB / FB / CB WS / FS / CS WB / FB / CB WS / FS / CS W3B / F3B / C3B W3S / F3S / C3S 7WP / 7FP / 7FC EM ES DM DS 4 Pin Connector WP / FP / FC 4WP / 4FP / 4FC Note: For Dual entry suffix D For Dual entry plugged suffix P. CALIBRATION The switches can be calibrated for actuation of contacts on decreasing / increasing pressures. This includes series,, and DP. The calibration and range scale for all the series are provided in bar / Kg/cm. The order codes are as below:

7 Decreasing pressure in bar DB Increasing pressure in bar IB Decreasing pressure in Kg/cm DK Increasing pressure in Kg/cm IK ACCESSORIES Wide range of accessories can be provided with the instruments as per customer requirement. These will include: Order Code NMUR CONTROLS ) Snubber D ) Syphons Y 3) Manifold Z 4) Chemical Seals S ) Tag Plate T ) Mounting Brackets Standard N Pipe / Yoke mounting Q 7) Any other accessory X 8) No accessory O GENERAL SPECIFICATIONS Standard Repeat accuracy Scale Accuracy Ambient Temperature Mounting Set point High Voltage Strength Insulation Resistance Intrinsic safety Note: : The switches generally conform to BS34 standards : ± % of fullscale range : The scale is primarily for guidance. However, the accuracy is generally ± % of FSR. : 30 to 70 C permissible range. : The switches may be installed in any one of the following manner. Wall / panel / field / yoke mounting. : Select range so that set point lies between 0 80% of span : The instrument with stands KV between open contacts for second & KV between terminals & earth. : >0 M ohm at 00 V : Switches are classified as simple electrical apparatus as per BS and so may be used in intrinsically safe systems without certification if the energy levels are limited to. V, 0. A or mw. Specifications are subject to change without prior notice due to continuous product development. Pressure Conversion Table Table Kg/cm mmhg bar mbar mmwc psi (lb/in ) KPa Kg/cm mmhg bar mbar mmwc psi (lb/in ) KPa

8 Ø7. Ø.0 Ø7.3 SERIES INSTRUMENTS SET PT.ADJ. SPINDLE 4 0 (For SPDT) 3 NMUR CONTROLS 9 7 L. DP SERIES INSTRUMENTS 9 7 SENSOR ADJ. Mechanism CABLE ENTRY PROCESS CONNECTION /4 BSP (F) SET PT.ADJ. SPINDLE 4 0 A/F4 ØD 3 (LO.PORT) SENSOR CABLE ENTRY L PROCESS CONNECTION /4 BSP (F) (HI.PORT) A/F4 ØD

9 Ø( PADS) 0 70 Ø.0 Ø7.3 INSTRUMENTS WITH FLAMEPROOF ENCLOSURE NMUR CONTROLS L L & SERIES INSTRUMENTS 9 4 ØD 7 3 SET PT.ADJ. SPINDLE CABLE ENTRY Ø7.0 (4 MTG. HOLES) A/F4 L. SENSOR CABLE ENTRY A/F4 ØD PROCESS CONNECTION /4 BSP (F)

10 SERIES SERIES NMUR CONTROLS SERIES FLAME PROOF DP SERIES SPDT MODEL

11 NMUR CONTROLS PVT. LTD. DATA SHEET FOR PRESSURE SWITCH Customer Range / Set Point NMUR CONTROLS Cut In / Cut Out Calibration Rising / Falling Nature of Pr.(Impulse/Uniform) Normal Operating Pressure / Temp Max. Working Pressure / Temp Process Connection Service Medium Nature of Service Medium Application AC/DC Rating Microswitch / SPDT / DPDT Wetted Parts Elec. Entry / Cable gland Ambient Condition IP 3/, Group I/IIA/IIB/IIC Corrosion / Non Corrosion Ambient Temparature Mounting type Field / Panel / Wall / Pipe Possible Order Codes : : 3: Final Order Code :

12 NMUR CONTROLS Registered Office & Works: Catalogue Edition SCPLPS000 Distributor / Dealer /Agent NMUR CONTROLS PVT. LTD. /A, Rajiv Gandhi Nagar I.E. (Extn) Kukatpally Balanagar Post, Hyderabad Tel/Fax: , sanmur@sanmur.com kcmohan_hyd@dataone.in Website: ADROIT