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Welker® Analyzer Liquid Shutoff
The information in this manual has been carefully checked for accuracy and is intended to be used as a guide to
operations. Correct operating and/or installation techniques, however, are the responsibility of the end user. Welker
reserves the right to make changes to this and all products to improve performance and reliability.
® Copyright 2009, Welker, Inc.
Models
ALS-1
ALS-1HP
ALS-2
ALS-3
ALS-4HP
Installation,
Operation,
Maintenance
Manual
13839 West Bellfort
Sugar Land, Texas 77498-1671
Tel.: (800) 776-7267
Tel.: (281) 491-2331
Fax: (281) 491-8344
www.welkereng.com
&
U.S.A.
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Summary of Contents for Welker ALS-1
- Page 1 The information in this manual has been carefully checked for accuracy and is intended to be used as a guide to operations. Correct operating and/or installation techniques, however, are the responsibility of the end user. Welker reserves the right to make changes to this and all products to improve performance and reliability.
- Page 2 This page intentionally left blank...
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Page 3: Table Of Contents
Back purging ............................5 MAINTENANCE INSTRUCTIONS General ............................... 7 Instructions ............................8 ® ® Welker, Welker Jet , and WelkerScope are Registered Trademarks owned by Welker, Inc. IOM-077 Page 3 of 10 ALS-1; ALS-1HP; ALS-2; ALS-3; ALS-4HP Rev: B Last updated: 9/8/2009... -
Page 4: General
1.2 Product description and specifications The Welker Analyzer Liquid Shutoff is designed to be a final defense against liquid carryover into injection valves, columns of gas chromatographs, and other analytical equipment. If liquids should enter the device, it will push a ball against a seal, shutting off flow to the analyzer. -
Page 5: Installation Instructions
Claims for damages caused during shipment must be initiated by the receiver and directed to the shipping carrier. Welker is not responsible for damages caused from mishandling by the shipping . The ALS must be mounted vertically with the product outlet facing up (see Figure 1). The unit will function properly only in a vertical position. - Page 6 Any liquids and gases in the device will be forced back to the back purge drain valve. 2.3.6 Open the back purge drain valve to drain liquid from the system. IOM-077 Page 6 of 10 ALS-1; ALS-1HP; ALS-2; ALS-3; ALS-4HP Rev: B Last updated: 9/8/2009...
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Page 7: Maintenance Instructions
It would be advisable to have the following tools available for maintenance of the unit; however, tools used will vary depending on model. • 6" Crescent wrench (2) • Small screwdriver IOM-077 Page 7 of 10 ALS-1; ALS-1HP; ALS-2; ALS-3; ALS-4HP Rev: B Last updated: 9/8/2009... -
Page 8: Instructions
Reinstall the glass assembly inside the cap (Part 4). Not applicable for the ALS-4HP. 3.2.8 Hand tighten the cap (Part 4) to the body (Part 10). 3.2.9 Maintenance is complete. The unit is now ready for reinstallation. IOM-077 Page 8 of 10 ALS-1; ALS-1HP; ALS-2; ALS-3; ALS-4HP Rev: B Last updated: 9/8/2009... - Page 9 This page intentionally left blank...
- Page 10 13839 West Bellfort, Sugar Land, Texas 77498-1671 Phone: (281) 491-2331 Fax: (281) 491-8344 Toll Free: (800) 776-7267 Web Page: www.welkereng.com...
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