AMOT 4103D Manual Download Page 1

Temperature Valve for Static Bearings

Models 4103D/M

Datasheet_4103_Temperature_Valve_FEB18_Rev2

Page 1

www.amot.com

Typical applications

•  Monitors medium to large stationary  

bearings

•  Responds to high temperatures caused by:

 

- Tight, worn or out-of-round bearings

 

- Cracked or broken shafts

 

- Power or compressor cylinder overload

 

- Tight packing glands

 

- Torsional vibration

 

- Lack of lubrication

•  Can be applied to liquid systems by installing in 

an AMOT 6721L Well

•  For larger moving bearing applications,  

refer to model 4102 temperature detectors 

datasheet located at www.amot.com

Key features and benefits

•  Provides early warning of problems - avoids high 

cost bearing failures 

•  Instant response to excessive bearing 

temperatures

•  Use with oil, air or gas
•  Compact design - easy, low cost installation
•  Minimal maintenance - low cost of ownership

Model 4103D 

Temperature Valve

Accreditations available

•  PED 

Suitable for Group 1 & 2 liquids 

 

 

(Ensure materials are compatible)

Model 6710X Spare 

Fuse Rod

Model 4103M Miniature 

Temperature Valve

Model 7280X Spare 

Fuse Rod

Summary of Contents for 4103D

Page 1: ...installing in an AMOT 6721L Well For larger moving bearing applications refer to model 4102 temperature detectors datasheet located at www amot com Key features and benefits Provides early warning of...

Page 2: ...fuse rod length 6 How to Order 7 Specification 8 Dimensions 8 Maintenance and Service Parts 9 How to order replacement fuse rod assemblies 9 Replacement fuse rod assembly model number structure 11 Con...

Page 3: ...e sensor which will trip upon temperature rise The valves have a stainless steel body containing a normally closed valve sealed with a Viton ball The temperature sensing portion is a thin film of eute...

Page 4: ...mbly and the valve ball 7 Installed depths Table 1 on page 6 are available in increments from 1 to 9 and must be held to within 1 16 when the unit is installed To accomplish this setting use one or bo...

Page 5: ...08 38 1 1 Example 6721L 1 15 Code description Comments Basic model A Basic model A 6721L Stainless steel 3 500 psi 9859L 416 Stainless steel 8 000 psi Thread B X Z Thread B 0 20 UNF NPT 6721L 20 UNF 1...

Page 6: ...7 15 187 3 7 196 9 7 16 200 0 7 209 6 8 17 212 7 8 222 3 8 18 225 4 8 235 0 9 19 238 1 9 247 7 9 20 250 8 9 260 4 10 Table 2 4103M Code Installed depth and fuse rod length Minimum Maximum mm inches m...

Page 7: ...A 4103D ONLY K M14 X 2 BSP Tr Basic model A 4103D ONLY UK ONLY L 20 NF BSP Tr M 5 16 24 NF NPT Installed depth fuse rod length code C Installed depth fuse rod length code C For installed depth and fus...

Page 8: ...teel Sensing material Eutectic alloy Valve ball material Viton or stainless steel Rod body Brass Trip temperature range 79 C 173 C 174 F 343 F Maximum allowable temperature 173 C 343 F Maximum control...

Page 9: ...mbly Look for cracks in the brass A stable fuse rod assembly moves slightly showing no wear Fuse rod assemblies 5 7 Model 4103D and Model 4103M respectively should be replaced if the crimp section bec...

Page 10: ...Temp Valve for Static Bearings Models 4103D M Datasheet_4103_Temperature_Valve_FEB18_Rev2 Page 10 Maintenance and Service Parts Continued How to order replacement fuse rod assemblies continued...

Page 11: ...od length code B For fuse rod lengths available refer to Tables 1 2 on page 6 Type C Type C T Temperature Trip temperature F D Trip temperature F D 174 174 F 79 C 197 197 F 92 C 217 217 F 103 C 228 22...

Page 12: ...19 Email customer service amot com AMOT UK Western Way Bury St Edmunds Suffolk IP33 3SZ England Tel 44 1284 715739 Fax 44 1284 760256 Email info amot com AMOT Germany Rondenbarg 25 22525 Hamburg Germa...

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