Summary of Contents for Armstrong SH-300
- Page 1 SH-300, SH-900, 111-EN SH-1500, SH-1600 and SH-1700 Bimetallic Steam T rap Installation and Operation Manual SH-900 SH-300 SH-1500 SH-1600 SH-1700...
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Page 2: Table Of Contents
Table of Content General Safety Information Product Information Product Installation Service and Maintenance Troubleshooting Repair Procedure Warranty Terms... -
Page 3: General Safety Information
SH-300, SH-900, SH-1500, SH-1600 and SH-1700 Bimetallic Steam Traps Selection or installation of equipment should always be accompanied by competent technical assistance We encourage you to contact Armstrong International or your local representative if further information is required ©2017 Armstrong International, Inc... -
Page 4: Product Information
Product Information 1. Product Information: Bimetallic type steam traps employ the temperature effect of a thermostatic bimetallic element At start up, the steam traps have the ability to handle large condensate loads while the system is heating up At this point the bimetallic element is contracted and the valve is fully open removing condensate and non-condensable gases from the system When the system reaches steam temperature, the high temperature causes the bimetallic element to expand, pulling the valve stem to close the valve The valve remains closed until enough condensate backs up cooling the... -
Page 5: Product Installation
Therefore, proper piping and drip legs of adequate size and diameter are essential for the successful operation of the Armstrong bimetallic traps, see Chart 2 1 and Figure 2 1 Isolation valves are needed before and after traps When starting a new trap, be sure to open the valve... - Page 6 2.1. Disassemble/Assemble Procedure for Welding SH-300, SH-900, SH-1500, SH-1600 and SH-1700 – If post weld heat treat is required by customers’ weld procedure. Remove 4 flange bolts and cap 2 Remove bimetallic element assembly using a 1” (38 mm) open end wrench on hex below the bimetallic...
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Page 7: Service And Maintenance
Service and Maintenance 3. Service and Maintenance Bimetallic type steam traps should be tested at least three times per year When the bimetallic steam trap is suspected of malfunctioning, it can be checked by observing the discharge of the trap Normal trap operation would be indicated by: •... -
Page 8: Troubleshooting
Troubleshooting 4. Troubleshooting Whenever a trap fails to operate and the reason is not readily apparent, the discharge from the trap should be observed If the trap is installed with a test outlet or discharges to atmosphere, this will be a simple matter - otherwise, it will be necessary to break the discharge connection 4.1. -
Page 9: Repair Procedure
Repair Procedure 5. Repair of SH-300, SH-900, SH-1500, SH-1600 and SH-1700 5.1. TRAP Caution: Superheat steam is invisible Take extra precaution while inspecting traps Caution: Superheat steam is invisible Take extra precaution while inspecting traps • Isolate the trap •... -
Page 10: Warranty Terms
Armstrong’s repair or replacement of the part or product, excluding any labor or any other cost to remove or install said part or product, or at Armstrong’s option, to repayment of the purchase price As a condition of enforcing any rights or remedies relating to Armstrong products,... - Page 11 Notes...
- Page 12 Armstrong provides intelligent system solutions that improve utility performance, lower energy consumption, and reduce environmental emissions while providing an “enjoyable experience ” Armstrong International North America • Latin America • India • Europe / Middle East / Africa • China • Pacific Rim...