Garlock® ONE-UP® Pump Diaphragms Technical Information
Field Testing
GARLOCK® ONE-UP® pump diaphragms have been extensively field tested in a wide variety of industries including chemical processing, paint, solvent and detergent manufacturing, and wastewater treatment. Documented case histories show that the average service life is 3.5 times longer than conventional PTFE diaphragms.
Long Service Life
The superiority of the PTFE technology developed by Garlock ensures that pump diaphragms will provide extended service life.
| Property | ASTM Method | Sample Dimensions (Thickness) | Conventional PTFE (Literature) | Gore PTFE (Test Data) |
| Flex Life (MM cycles) |
ASTM-D-2176 | 0.020in 0.600in | 4.1 | 70+* |
| Impact Strength (ft lbs/in) |
ASTM-D-256 | 0.220 in | 2 – 3.5 | 30.4 |
| Tensile Strength (psi) | ASTM-D-638 | 0.220 in | 4000-5200 | 14920 |
| Mullins Burst (psi) | ASTM-D-3786 | 0.020 in | 180** | 540 |
| Tensile Creep (1000 hr, 1000 psi) |
ASTM-D-2990 | 0.100 in | 20%-30%** | 9%-10% |
* Test was stopped over time
** Actual test results for conventional PTFE film.
Easy Installation
Since the GARLOCK® ONE-UP® pump diaphragm is a one-piece design, it is simple to install. Whether it incorporates bolt holes or a perimeter sealing bead, it fits easily into the pump housing without the difficulties associated with installing two-piece diaphragm sets.
Satisfication Guaranteed
We guarantee your satisfication. If, on your initial order, you are not completely satisfied with the performance-in-use of the diaphragms, return them to us for a full refund of the purchase price.
Availability
GARLOCK® ONE-UP® pump diaphragms are available for the following makes of air operated diaphragm pumps: ALMATEC, ARO, DEPA, BLAGDON, FLOTRONICS, GRACO, UNITEC, VERDER, VERSAMATIC, WARREN RUPP, WILDEN, YAMADA.
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