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Installation, Operation, and
Maintenance Manual
®
Welker
Constant Pressure Cylinders
with Tracker Tube
(with Gravity Mixer)
Model
CP2GM & CP5GM
The information in this manual has been carefully checked for accuracy and is intended to be used as a guide for
the installation, operation, and maintenance of the Welker equipment described above. 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 in order to improve performance and reliability.
13839 West Bellfort St.
Sugar Land, TX 77498-1671
(281) 491-2331 - Office
(800) 776-7267 - USA Only
(281) 491-8344 - Fax
http://www.welkereng.com
© 2011 Welker, Inc. All rights reserved.
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Summary of Contents for Welker CP2GM
- Page 1 Welker equipment described above. 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 in order to improve performance and reliability.
-
Page 2: Table Of Contents
ISASSEMBLY AINTENANCE EASSEMBLY YLINDER LEANING AFTEY WARNING TROUBLE SHOOTING GUIDE ® ® ® Welker , Welker Jet , and WelkerScope are Registered Trademarks owned by Welker, Inc. IOM-013 Page 2 of 18 CP2 & CP5GM Rev: D Last updated: 4/14/2011... -
Page 3: Specifications
Warnings are alerts to a specific procedure or practice that, if not followed correctly, could cause personal injury. *The following procedures have been written for use with standard Welker parts and equipment. Assemblies that have been modified may have additional requirements and specifications that are not listed in this manual. -
Page 4: Important Information
Welker CP-2 & CP-5 Premium Purge model cylinders have valves built into the pre-charge and product end cap ports. They are also included with product purge and pre-charge purge valves. -
Page 5: Specifications
SPECIFICATIONS PECIFICATIONS The specifications listed in this section are generalized for this equipment. Welker can modify the equipment according to your company’s needs. However, please note that *the specifications may vary depending on the customization of your product. Table 1... -
Page 6: Installation & Operations
Claims for damages caused during shipping must be initiated by the receiver and directed to the shipping carrier. Welker is not responsible for any damages caused from mishandling by the shipping company. When sealing fittings with PTFE tape, refer to the proper sealing instructions for the tape used. - Page 7 INSTALLATION & OPERATIONS Connecting the cylinder pre-charge valve to the pipeline (pressurized gas pipeline only): 1. Use small diameter stainless steel tubing to connect from an available pipeline valve to the pre-charge inlet valve. (See Figure 3). 2. Make sure all valves are closed on the sample cylinder.
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Page 8: Installation
INSTALLATION & OPERATIONS 3. Using an auxiliary pre-charge gas: When using an auxiliary gas, the pre-charge side of the cylinder should be pressurized with a regulated gas supply (i.e., nitrogen or helium) and set 50-100 psi above pipeline operating pressure, not to exceed the maximum allowable pressure of the device. 1. -
Page 9: Spot Sampling
Figure 4) of the cylinder to the sampler outlet port. Open the product purge valve on the sample cylinder to purge the system of any contaminants. Close the purge valve. Welker recommends plugging the purge valve when not in use. -
Page 10: Mixing The Collected Sample
INSTALLATION & OPERATIONS Turn the sampler off when the cylinder is at 80% capacity. This allows a 20% margin for possible expansion due to temperature changes. When the desired amount of sample is extracted, close all valves on the cylinder. Close the sampler outlet valve. -
Page 11: Maintenance
MAINTENANCE MAINTENANCE ENERAL Prior to maintenance or disassembly of the unit, it is advisable to have a repair kit handy in case of unexpected wear or faulty seals. We recommend that the unit have annual maintenance under normal operating conditions. In the case of severe service, dirty conditions, excessive cycling usage, or other unique applications that may subject the equipment to unpredictable circumstances, a more frequent maintenance schedule may be appropriate. -
Page 12: Maintenance Parts Diagram
MAINTENANCE 3.2 M AINTENANCE ARTS IAGRAM IOM-013 Page 12 of 18 CP2 & CP5GM Rev: D Last updated: 4/14/2011... -
Page 13: Disassembly
MAINTENANCE 3.3 D (Refer to Diagram on Page 12) ISASSEMBLY Make sure the unit is depressurized prior to maintenance. Remove the two cylinder feet (Part 23). Remove the six nuts (Part 22) and carefully slide the product end cap (part 1) off the six tie bolts (Part 21). -
Page 14: Reassembly
Pressure up cylinder at one end with an inert gas supply and test for leaks. Repeat the process from the opposite end. Pressurize slowly to avoid the slamming the piston from one end to the other. Welker recommends using helium to test for leaks. IOM-013 Page 14 of 18 CP2 &... -
Page 15: Cylinder Cleaning
Any debris or residue that is not removed from the cylinder will contaminate the results of the next sample extracted from the cylinder. Welker recommends cleaning and leak testing of the cylinder after each use. Cleaning a constant pressure sample cylinder can be done one of three ways: Purging with helium ... -
Page 16: Saftey Warning
If you have any questions, please contact Welker at 1-800-776-7267 in the USA or 1- 281-491-2331. IOM-013 Page 16 of 18 CP2 &... -
Page 17: Trouble Shooting Guide
The following is a troubleshooting table of issues most commonly associated with the ® Welker Constant Pressure Cylinder models. If you are having a problem that is not listed, or if the solution provided does not repair the problem, please call Welker for service options. POSSIBLE PROBLEM... - Page 18 13839 West Bellfort St., 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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