1. Safety and Auxiliary Components
URVISH SONI

2. Safety …

3. Safety and auxiliary components
Relays
Electromechanical
Reed
Solid state
Field Failure relay
Switches
Auxiliary Components:
Alarm Annunciator
Square Root Extractor,
Damper, Safety Valve
Relief Valve
Rupture Disc
Safety Relief Valve

4. Switches
i. Toggle switch: SPST, SPDT, DPST, DPDT ii. Push Button iii. DIP switch iv. Self illuminated resettable switch v. Rotary switch(Single pole/Multi pole) vi. Thumbwheel switch vii. Limit switch (mechanical lever type) viii. Proximity Switch: inductive, capacitive, optica ix. Flow switch: HHL, HL, LL, LLL x. Level switch: HHL, HL, LL, LLL xi. Pressure switch: HHL, HL, LL, LLL xii. Thermostat: HHL, HL, LL, LLL xiii. Humidistat: HHL, HL, LL, LLL

5. Relays
Electromechanical

6. REED

7. Solid state

8. WORKING

9. Field Failure relay

10. TOGGLE SPST : Single Pole Single Throw SPDT : Single Pole Double Throw
DPST : Double Pole Single Throw
DPDT : Double Pole Double Throw

11. SPST

12. SPDT

13. DPST

14. DPDT

16. Push Button

18. DIP switch
PCB mount Switches

19. Self illuminated resettable switch

20. Rotary switch (Single pole/Multi pole)

21. Thumbwheel switch

22. Limit switch - Mechanical lever type

23. Proximity Switch
Inductive
Capacitive
Optical

24. Inductive

25. Application

26. Capacitive

27. Application

29. Flow switches

31. Level switch

32. Pressure Switch
NO / NC on SET Pressure
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33. Pressure Switch
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34. URVISH PI-I

35. Thermostats

36. Actual Image

37. Humidistat

38. HHL, HL, LL, LLL Alarm Configuration in switch: High High Low High Low
Low Low
Low Low Low

39. Auxiliary Components
Alarm Annunciator

40. Square Root Extractor

41. Damper

42. Safety Valve

43. Relief Valve
Pressure Relief Valve

44. Rupture Disc

46. Safety Relief Valve
SAME
PSV
PRV
All are same

47. THANK YOU !!