MASTER TECHNICAL FAQ
“Everything You Need to Know About Industrial Instrumentation — In One Place.”
Instrumentation • Automation • Process Control • Energy Management
At NPK Industries, we believe knowledge improves productivity.
This Master FAQ answers common engineering, process, selection, installation, calibration, and troubleshooting questions — all in one place.
(Covering Flow, Temperature, Pressure, Level, Steam, Utilities, Dairy, Pharma, Food, Chemical, Project & Service Queries)
Q1. Who is NPK Industries & Co.?
A1. NPK Industries is a leading Process Instrumentation Solution Provider & System Integrator since 2008. We deliver end-to-end solutions for Flow, Temperature, Pressure, Level, Analytical, Utility & Process Automation across global industries.
Q2. Which industries does NPK serve?
A2. Dairy, Food & Beverage, Pharma, Chemical, Petrochemical, Cement, Utilities, Power Plants, Water/Wastewater, Oil & Gas, Sugar, Distilleries, and General Process Industries.
Q3. Are you authorized to supply international brands?
A3. Yes. We are authorised channel partners for Foxboro by Schneider Electric, Baumer, General instruments, Anton Par, . We supply premium brands like Krohne, Baumer, and other global instrumentation manufacturers.
Q4. Do you provide only products or complete solutions?
A4. We work as System Integrators, offering:
• Product Supply
• Installation
• Commissioning
• Calibration
• SCADA/PLC Integration
• AMC & After-Sales Support
Q5. Why do clients choose NPK Industries?
A5. Due to our quick SOS support, strong inventory, experienced engineering team, ISO-driven processes, brand partnerships, and reliable long-term service capabilities.
Q6. Is NPK Industries ISO certified?
A6. Yes, we follow ISO-based Quality Management Systems for supply, installation & service.
Q7. Why does ISO certification matter for customers?
A7. Ensures standardized processes, consistency, documentation, traceability, testing & quality assurance.
Q8. Do you provide calibration certificates?
A8. Yes, NABL-traceable calibration certificates and service reports are available on request.
Q9. How does NPK ensure product authenticity?
A9. All products are purchased directly from OEMs or authorized distributors with batch traceability.
Q10. Do you follow safety & compliance standards?
A10. Yes, devices comply with SIL, IECEx, ATEX, CE, RoHS as applicable.
Q11. What types of instruments does NPK supply?
A11. Flow Meters, RTDs, Thermocouples, Pressure Transmitters, Level Sensors, Analytical Instruments, Steam/Energy Meters, Control Valves, PLC/HMI, and Industrial Accessories.
Q12. Do you help in product selection?
A12. Yes. Our application engineers provide complete technical sizing, material selection, and process-based recommendations.
Q13. Do your products carry a warranty?
A13. Yes, standard 12-month OEM warranty applies to all supplied instruments.
Q14. Can you provide customized solutions?
A14. Yes. Custom stems, special materials, wetted parts, extended ranges, and customized insertion lengths are available.
Q15. Do you maintain local stock?
A15. Yes. Fast-moving items are stocked for immediate dispatch.
Q16. What flow meter technologies do you supply?
A16. Electromagnetic, Ultrasonic (Clamp-On/Inline), Vortex, Coriolis Mass, Open Channel, DP-Based, Orifice/Nozzle, Turbine, RPD Meters, Thermal Mass, and Pitot Tubes.
Q17. What are Vortex Flow Meters used for?
A17. For Steam, Compressed Air, Natural Gas, Chilled Water, Hot Water, and process liquids with built-in Temperature & Pressure Compensation.
Q18. Do you provide installation support?
A18. Yes. We provide complete guidelines on orientation, straight-run lengths, grounding, insulation, and commissioning.
Q19. Which flow meter is best for Steam / DM Water?
A19. Vortex Flow Meter is ideal for steam; Electromagnetic Flow Meter is best for DM/Utility Water.
Q20. Do you supply dairy-approved hygienic flow meters?
A20. Yes. We supply EHEDG/3A-certified hygienic magmeters and Coriolis meters for dairy lines.
Q21. What is an RTD?
A21. A Resistance Temperature Detector used for precise temperature measurement.
Q22. Which RTD models do you supply?
A22. Baumer R01/R02, mineral insulated RTDs, hygienic tri-clamp RTDs, surface sensors, and special custom assemblies.
Q23. Do you supply thermowells?
A23. Yes—SS304, SS316, SS316L, Flanged, Threaded, or Weld-in types.
Q24. Are RTDs calibrated?
A24. Yes, factory-calibrated; on-site calibration available.
Q25. Applications of RTDs in dairy plants?
A25. HTST pasteurizers, homogenizers, milk chillers, CIP/SIP lines, hot water generators, and cold rooms.
Q26. What pressure instruments do you offer?
A26. Pressure Gauges, DP Transmitters, Absolute/Gauge Transmitters, Pressure Switches, and Diaphragm-Sealed Sensors.
Q27. Are pressure transmitters accurate?
A27. Yes. OEM-grade transmitters offer 0.05%–0.2% accuracy for critical applications.
Q28. Do you supply sanitary pressure sensors?
A28. Yes, for Dairy, Pharma, Food, and Hygienic Lines.
Q29. Do you supply diaphragm-seal transmitters?
A29. Yes, for high-temperature, corrosive, viscous or slurry-based media.
Q30. Can pressure sensors handle steam?
A30. Yes, with remote seals, capillaries, and high-temp diaphragms.
Q31. What level instruments do you supply?
A31. Radar Level, Ultrasonic Level, Hydrostatic Level, Capacitance, Magnetostrictive Level, DP-Based, Float Level, and Displacer/Buoyancy instruments.
Q32. Are they suitable for dairy tanks?
A32. Yes, hygienic hydrostatic and radar level sensors for milk silos and process tanks.
Q33. Do you supply non-contact level sensors?
A33. Yes, RADAR & Ultrasonic.
Q34. Are level sensors available for chemicals?
A34. Yes, with PTFE, PFA, Hastelloy-C, Titanium, Tantalum, Gold-coated diaphragms.
Q35. Can level instruments be calibrated on-site?
A35. Yes, depending on the device type.
Q36. What steam instruments do you provide?
A36. Vortex Meters, Steam Flow Meters, Condensate Meters, Orifice Plates, Venturi Tubes, Nozzles, DP Flow Meters, and Energy Calculators.
Q37. Why measure steam flow?
A37. For energy monitoring, cost allocation, boiler efficiency, and leakage detection.
Q38. Do you provide condensate & utility measurement solutions?
A38. Yes, including condensate recovery meters, hot water meters, and steam energy flow monitoring.
Q39. Can steam meters calculate energy?
A39. Yes, with Temperature + Pressure inputs for net/gross heat calculation.
Q40. Which industries require steam metering?
A40. Dairy, Pharma, F&B, Textile, Chemical, Power Plants & Utility Boilers.
Q41. How does NPK support dairy plants?
A41. We deliver Complete Dairy Automation, including Flow, Temperature, Pressure, Energy, Milk Intake, CIP/SIP, and Central SCADA Monitoring.
Q42. Why is flow measurement important in dairy?
A42. For Milk Transfer, Hot Water, Chilled Water, CIP Chemicals, Steam & Utility Lines.
Q43. Which RTDs are used in dairy?
A43. Hygienic Tri-Clamp RTDs for milk/CIP; threaded RTDs for utility areas.
Q44. Which meters are used for Steam, Condensate & Milk?
A44.
• Steam/Condensate → Vortex Meter
• Milk/Water/CIP → Electromagnetic Flow Meter
Q45. Do you provide dairy-specific installation?
A45. Yes, compliant with hygienic, 3A, and utility-line standards.
Q46. What instruments are used in F&B plants?
A46. Flow, Level, Temperature, Pressure, Analytical Sensors, Motion Sensors, Energy & Utility Monitoring.
Q47. Do you supply hygienic instruments?
A47. Yes—3A, EHEDG-certified.
Q48. Can your meters handle syrups or viscous liquids?
A48. Yes—Coriolis or Positive Displacement meters recommended.
Q49. Are the products corrosion-resistant?
A49. Yes. Material selection is done based on chemical compatibility.
Q50. Do you support CIP/SIP?
A50. Yes—most of our sensors are CIP/SIP compatible.
Q51. Do you supply pharma-grade instruments?
A51. Yes. We supply high-accuracy, hygienic, stainless-steel, 3A/EHEDG-certified instruments suitable for cleanrooms, WFI, PW, and process lines.
Q52. Can your sensors handle aggressive chemicals?
A52. Yes. We offer corrosion-resistant MOC options such as PTFE/PFA, Hastelloy-C, Titanium, Tantalum, Gold-Plated diaphragms.
Q53. Do you provide validation documentation (DQ/IQ/OQ)?
A53. Yes. Validation documentation, FAT/SAT, calibration protocols and reports are provided.
Q54. Do you supply explosion-proof instruments?
A54. Yes — ATEX, IECEx, PESO/CCOE-certified instruments for hazardous locations.
Q55. Are your products suitable for cleanroom applications?
A55. Yes. We supply sealed, hygienic, low-contamination designs suitable for ISO-class cleanrooms.
Q56. Do you offer installation services?
A56. Yes. We provide end-to-end installation for all instruments.
Q57. Do you provide commissioning support?
A57. Yes. We configure, test, and integrate sensors with PLC/SCADA as required.
Q58. Do you give piping and installation recommendations?
A58. Yes. Based on device type, we provide straight-run lengths, grounding, mounting orientation, sensor placement & insulation guidelines.
Q59. Can you integrate instruments with PLC/SCADA?
A59. Yes. Integration available via 4–20mA, HART, Modbus RTU, Modbus TCP, Profibus, Profinet, EtherNet/IP.
Q60. Do you provide training?
A60. Yes. Operator, maintenance and engineering teams receive training on operation & troubleshooting.
Q61. Do you provide calibration services?
A61. Yes, both on-site and in-house calibrations for flow, pressure, temperature, and analytical instruments.
Q62. How often should instruments be calibrated?
A62. Typically annually, depending on process criticality and standards.
Q63. Do you repair sensors & transmitters?
A63. Yes — depending on brand & fault type.
Q64. Do you offer AMC (Annual Maintenance Contracts)?
A64. Yes. AMC is available for plants needing continuous uptime.
Q65. Can you verify flow meters on site?
A65. Yes. We use diagnostic tools, verification kits, and OEM-configured software.
Q66. How can I get a quotation?
A66. Email: info@npkindustries.in, or call us at our support numbers. Share drawings or process data for sizing.
Q67. What technical details are needed for sizing?
A67. Flow range, fluid type, line size, temperature, pressure, accuracy, material compatibility & installation details.
Q68. Do you support bulk orders?
A68. Yes. We supply to OEMs, EPCs, and large projects.
Q69. Do you offer demo units?
A69. Yes — available on request for select models.
Q70. Do you provide price lists?
A70. Yes, for standard catalog models.
Q71. What is your delivery time?
A71. 2–4 weeks for most orders, faster for stocked items.
Q72. Do you ship across India?
A72. Yes — PAN India delivery.
Q73. Do you export?
A73. Yes, as per client requirement.
Q74. Is the packing safe?
A74. Yes. Industrial-grade, shockproof, moisture-protected packaging is used.
Q75. Can delivery be expedited?
A75. Yes, depending on stock and urgency.
Q76. Do products come with warranty?
A76. Yes, typically 12 months OEM standard.
Q77. What is covered under warranty?
A77. Manufacturing defects, electronic component failures & OEM defects.
Q78. Do you provide after-sales support?
A78. Yes — for instruments, installation, and operational issues.
Q79. How do I raise a service/support request?
A79.
📞 +91-9958250892
📞 +91-9350299780
📧 npkindustries@gmail.com / info@npkindustries.in
Q80. Do you provide remote support?
A80. Yes. Phone & video troubleshooting available.
Q81. Why is my flow meter not reading?
A81. Possible causes: incorrect installation, air in line, grounding issues, wrong configuration, improper pipe filling, wiring issues.
Q82. Why is my RTD reading fluctuating?
A82. Check grounding, shielded cable, transmitter configuration, loose terminals.
Q83. Why is pressure reading unstable?
A83. Causes include process pulsation, blockage, leaking impulse lines, air pockets, or debris.
Q84. Why is the level sensor giving false readings?
A84. Due to foam, dust, turbulence, dead zone, improper alignment, or incorrect echo mapping.
Q85. Do you provide remote troubleshooting?
A85. Yes — immediate phone/video support.
Q86. Are your instruments SIL certified?
A86. Yes. Many transmitters support SIL 2/3 safety levels.
Q87. Are your products food-grade?
A87. Yes, with SS316L, hygienic designs & certified wetted materials.
Q88. Do your instruments have CE / ATEX certification?
A88. Yes — depending on the model.
Q89. Do you provide MTC (Material Test Certificates)?
A89. Yes — on request.
Q90. Are your products environmentally safe?
A90. Yes — following RoHS and environment-safe material standards.
Q91. Can you customize RTD lengths?
A91. Yes — fully customizable.
Q92. Can you provide special flow ranges?
A92. Yes — for all flow technologies.
Q93. Can you supply special process connections?
A93. Yes — Tri-clamp, SMS, DIN, Flanged, Threaded, Weld-in.
Q94. Can instruments be designed for high temperature?
A94. Yes — with special materials, insulation, and remote seals.
Q95. Do you provide turnkey packages?
A95. Yes — Supply + Installation + Commissioning + Integration.
Q96. Which global OEMs does NPK partner with?
A96. Schneider Electric, Krohne, Baumer, Anton Paar, Siemens, Rockwin, Fuji Electric, Petro Fiorentini, Honeywell (DP), and others.
Q97. Do you supply genuine, factory-configured instruments?
A97. Yes — all products are 100% original, factory-calibrated and batch-traceable.
Q98. Can you provide brand-to-brand replacement recommendations?
A98. Yes — we can cross-reference models and offer the closest reliable equivalent.
Q99. Do you support multi-brand integration in one project?
A99. Yes — we integrate different brands into one single PLC/SCADA ecosystem.
Q100. Can you standardize instruments across my plant for long-term maintenance?
A100. Yes — we prepare Plant Instrument Standardization Plans for reducing downtime, spare inventory & maintenance cost.