Advanced SG6540 Instructions Manual Download Page 1

INSTRUCTIONS 

FOR MODELS SG6540 & SG6541

PRESSURE SWITCHES

THIS BOOKLET CONTAINS PROPRIETARY INFORMATION OF

ADVANCED SPECIALTY GAS EQUIPMENT CORP. AND IS PROVIDED

TO THE PURCHASER SOLELY FOR USE IN CONJUNCTION WITH 

MODELS SG6540 & SG6541 PRESSURE SWITCHES.

IMPORTANT

These instructions are for experienced operators who know the 
general principles and safety precautions to be observed in electrical
wiring and handling specialty gases. If you are not certain you fully
understand the safety precautions for handling gases, we urge you 
to obtain and read the Material Safety Data Sheet (MSDS) for each
gas being used.
Do not permit untrained persons to install, operate, or maintain these
pressure switches. Do not attempt to install or operate this pressure
switch until you have read and fully understand these instructions. 
If you do not fully understand these instructions, contact your
Advanced Specialty Gas Equipment Distributor.

Be sure this information reaches the operator. Your supplier has
extra copies.

ADVANCED

Specialty Gas Equipment

Model SG6540

Summary of Contents for SG6540

Page 1: ...y gases If you are not certain you fully understand the safety precautions for handling gases we urge you to obtain and read the Material Safety Data Sheet MSDS for each gas being used Do not permit u...

Page 2: ...safe environment for handling pure oxygen If toxic or flammable gases are used with these pressure switches emergency equipment applicable to the gases in use should be available in the operating area...

Page 3: ...actuated assembly sealed by a flexible Stainless Steel diaphragm and a static O Ring There are three wetted parts to the pressure switch a pressure port a diaphragm and an O Ring seal Fig 2 see pg 9 M...

Page 4: ...ing and mounting surface to prevent deformation of housing which could change relative positions of internal parts and affect calibration or render the device inoperative PROCESS CONNECTION WARNING DO...

Page 5: ...sing with wiring access through a 3 4 in NPT female conduit connection Fig 3 see pg 9 The three switch terminals are clearly marked normally open NO normally closed NC and common C Explosion Proof Swi...

Page 6: ...cover and gasket to ensure weathertightness MAINTENANCE AND REPAIRS Pressure switches do not normally require periodic service If a pres sure switch leaks or malfunctions take it out of service immed...

Page 7: ...15 amps at 250 VAC max Minimum Current Required 100mA DC Rating resistive loads Low Level 30 volts 5 amps High Level 125 volts 0 4 amp Housing NEMA 4 4X 1P65 Pressure Port Connection 1 4 in NPT femal...

Page 8: ...0 2 N SG6541 2 N 3000 12 100 Neoprene SG6540 2 V SG6541 2 V 3000 12 100 Viton SG6540 3 N SG6541 3 N 3000 45 550 Neoprene SG6540 3 V SG6541 3 V 3000 45 550 Viton SG6540 4 N SG6541 4 N 5000 500 4000 Neo...

Page 9: ...tion 3 4 NPT Female 25 32 19 8mm Pressure Port 1 4 NPT Female Figure 3 SG6540 General Service Pressure Switch Q Q Q Q Q Q Q Q Q Q Q NC NO C 0 20 40 60 80 Q Q Q Q Q Q Q Q Q Switching Element Set Point...

Page 10: ...m 23 16 55 6mm 51 4 133 4mm 41 4 108mm 33 16 81 0mm 11 2 38 1mm 21 8 54 0mm FRONT VIEW TOP VIEW Conduit Connection 3 4 NPT Female 1 4 Dia Thru Typical Pressure Port 1 4 NPT Female Figure 4 SG6541 Expl...

Page 11: ...returns such equipment freight prepaid to plant of manufacture THERE ARE NO EXPRESS WARRANTIES OTHER THAN THOSE SPECIFIED HEREIN NO WARRANTIES BY ADVANCED SPECIALTY GAS EQUIPMENT CORP OTHER THAN WARR...

Page 12: ...ipment Corporation 8 99 Snoop is a registered trademark of Nupro Co Teflon and Viton are registered trademarks of E I Du Pont de Nemours Co Specialty Gas Equipment ADVANCED 241 Lackland Drive Middlese...

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