Longhorn Support
Got a technical question? Need more information about a specific product, or some helpful advice on a difficult project? You’ve come to the right place. Download product technical materials here, or call one of our support specialists for one-on-one assistance. We’re here to help!
Technical Downloads
The charts and papers contained here are for reference only, it is up to the user to verify the accuracy of the information contained in these charts, it is always better for the designer to do his/her own calculations.Some of the information contained here is in Adobe Acrobat PDF format, you will need the Acrobat Reader installed on your computer to view them. If you don’t have Adobe Acrobat Reader, please click here to download it.
PVC Class 200 Friction Loss Chart
PVC Class 160 Friction Loss Chart
PVC Schedule 40 Friction Loss Chart
PVC Schedule 80 Friction Loss Chart
Type “K” Copper Pipe Friction Loss Chart
Pressure Loss in PVC Pipe Fittings
Zone Control Valves
Spray Heads
Thrust Blocking
Precipitation Rate
Trench Details
Pressure Surges
Barometric Readings and Atmospheric Pressure
Pressure Conversion Charts
Solvent Cementing PVC Pipe & Fittings
Hydro Zoning
Wire Sizing Techniques
Water Meters
Hydraulic Basics, Water Pressure
Pipe ID, OD and Wall
Table of Nozzle Discharge
Directory
| CORPORATE | L. H. “Lee” Evans Jr., CEO |  |
| Luke Evans, President | |
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| Lynn Evans, Executive Vice President | |
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| Tom Swor, Vice President Finance | |
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| Chad Fisher, Vice President Sales and Marketing | |
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| Joel Swor, Purchasing | |
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| Nikki Carper, Credit Manager | |
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| STATE WIDE SPECIALISTS | Lee Slater, South Texas Pump Sales | |
| Bob Martin, North Texas Pump Sales | |
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| Rich Swor, Outdoor Lighting Sales | |
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| Stephen McGee, North Texas Rain Bird Golf Sales | |
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| Drue Thompson, North Texas Rain Bird Golf Sales | |
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| Matt Swor, Specifier and Municipality Support | |
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| Jason Joseph, South Texas Operations Manager | |
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| Terry Shipman, North Texas Operations Manager | |
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| DALLAS | Larry Tally, Branch Manager | |
| Larry Teague, Irrigation Sales | |
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| David Thomas, Lawn Sales | |
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| PLANO | Bobby Carper, Branch Manager | |
| Larry Teague, Irrigation Sales | |
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| David Thomas, Lawn Sales | |
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| GRAPEVINE | Cristian Gallegos, Branch Manager | |
| Larry Teague, Outside Sales | |
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| SAN ANTONIO | Robert Ingram, Branch Manager | |
| John Valdez, Outside Sales | |
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| HELOTES | Ernesto Cadillo, Branch Manager | |
| Ben Keckler, Outside Sales | |
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| ROCKWALL | Justin Cox, Branch Manager | |
| Stephen Kelly, Outside Sales | |
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| DENTON | Mike Taylor, Branch Manager | |
| Mason Sartin, Outside Sales | |
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| FRISCO | Aaron Ricks, Branch Manager | |
| Mason Sartin, Outside Sales | |
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| FORT WORTH | Gil Arias, Branch Manager | |
| Garrett Evans, Outside Sales | |
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| AUSTIN | Tommy Ortegon, Branch Manager | |
| Brad Griffin, Outside Sales | |
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| WEATHERFORD | Raymond Martin, Branch Manager | |
| Cecil Blackmon, Outside Sales | |
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| TOMBALL | Jamie Maglalang, Branch Manager | |
| Ricky Waters, Outside Sales | |
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| NEW BRAUNFELS | Robert Ramirez, Branch Manager | |
| Ben Keckler, Outside Sales | |
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| HOUSTON | Korey Purcell, Branch Manager | |
| Ricky Waters, Outside Sales | |
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| SHERMAN | Brian Marshall, Branch Manager | |
| Stephen Kelly, Outside Sales | |
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| Killeen | Jim Ratliff, Branch Manager | |
| Brad Griffin, Outside Sales | |
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| Haslet | David Delay, Branch Manager | |
| Garrett Evans, Outside Sales | |
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| Mansfield | Kevin White, Branch Manager | |
| Drue Thompson, Outside Sales | |
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| Tyler | Kate Ingram, Branch Manager | |
| Cody Whittiker, Outside Sales | |
Conroe | Greg Overmyer, Branch Manager | |
| Ricky Waters, Outside Sales | |
