SC Hydraulic Engineering L6 High Volume Liquid Pump is a leading manufacturer and designer of an ever growing line of high pressure, air-driven liquid pumps, as well as air and gas boosters which are being used in a variety of industries and applications.
Growing since 1953, we offer liquid pressures as high as 65,000 psig and can exceed 17,000 psig in gas pressures.
General Product Information
- HIGH FLOW CAPACITY
- DOUBLE ACTING, SINGLE STAGE
- COMPATIBLE WITH MOST FLUIDS
- STAINLESS STEEL WETTED PARTS
- AIR OPERATED – NO ELECTRICITY NEEDED
- THREE DIFFERENT PRESSURE RATIOS UP TO 11,200 PSI
- DIMENSIONALLY INTERCHANGEABLE WITH MOST COMPETITIVE MODEL PUMPS
The SC L6 Series Pump has a 6″ diameter air cylinder with stainless steel wetted parts. This double acting pump is capable of hydraulic pressures up to 11,200-psi and is available in three pressure ratios: 40:1, 60:1 and 100:1.
This pump is ideal for high flow at relatively high pressure applications. Nominal outlet flow ranges between 2-gpm to 1-gpm depending on outlet pressure and pump model. Maximum air consumption is approximately 200-SCFM at free flow (zero output pressure).
It is designed to operate with air drive pressures between 15-psi and 100-psi under normal conditions and is dimensionally interchangeable with competitive model pumps. Typical applications include choke control operation, hydrostatic testing and press applications.
L6 High Volume Liquid Pump Application
- Press applications
- Hydrostatic testing
- High flow power units
- Sub-sea valve controls
- Choke control operations
L6 High Volume Liquid Pump Dimensions
| Dash | Actual | Max Pressure | Displacement | NPT/LF4 (Std) | SAE/LF4 (Optional) | C | D | L | |||
| Number | Ratio | psig @125 Pa (1) | Per Cycle | A Thread | B Thread | A Thread | B Thread | B Thread | |||
| Cu. In. | |||||||||||
| -15 | 20 | 2,25 | 0.27 | 3/8″ | 1/4″ | -8 SAE | -6 SAE | 7/16-20 * | 1.5 | 2.43 | 8.02 |
| -25 | 31 | 3,5 | 0.18 | 3/8″ | 1/4″ | -8 SAE | -6 SAE | 7/16-20 * | 1.5 | 2.43 | 8.02 |
| -35 | 40 | 4,375 | 0.14 | 3/8″ | 1/4″ | -8 SAE | -6 SAE | 7/16-20 * | 1.5 | 2.43 | 8.02 |
| -45 | 55 | 6,125 | 0.1 | 3/8″ | 1/4″ | -8 SAE | -6 SAE | 7/16-20 * | 1.5 | 2.43 | 8.02 |
| -65 | 79 | 8,875 | 0.069 | 1/4″ | 1/4″ | -6 SAE | -6 SAE | 7/16-20 * | 1 | 1.93 | 7.52 |
| -105 | 123 | 14 | 0.044 | 1/4″ | 1/4″ | -6 SAE | -6 SAE | 7/16-20 * | 1 | 1.93 | 7.52 |
| -125 | 138 | 15,6 | 0.044 | 1/4″ | 7/16-20 * | -6 SAE | – | – | 1 | 1.93 | 7.52 |
| -195 | 213 | 24,375 | 0.038 | 3/8″ | 9/16-18 | – | – | – | 2.24 | 2.71 | 8.75 |
Ordering
| TABLE 1 | Gas Booster Series (1) | ||
| GB | Single Stage | ||
| TABLE 2 | Modification | ||
| Blank | No Modification | ||
| M402 | Remote Pilot | ||
| 3 | EPR O-rings, Polyurethane Main Seal | ||
| TABLE 3 | Cylinder Modification | ||
| Blank | Single Head | ||
| TABLE 4 | Pressure Ratio Single or First Stage | ||
| 5 | GB | ||
| 15 | GB | ||
| 30 | GB | ||
| 75 | GB | ||
| TABLE 5 | Pressure Ratio Second Stage | ||
| Blank | N/A on GB Series | ||
| TABLE 6 | Service Option | ||
| Blank | Standard | ||
| 2 | Oxygen Service (2) | ||
| H2 | Hydrogen Service (2) | ||
| Notes : | (1) Do not fill gap on a two digit description | ||
| (2) Not available on GBD-D75, GBT-D15/75 and GBT-D30/75 models. Contact factory for more information. | |||
Performance Chart
Modification
Remote Pilot : This option provides a 1/8″ NPT female port for remotely controlling the start/stop of the pump by connecting an external air signal to actuate the air cycling valve. This modification is built in as standard and no special number is needed when ordering.
M014 – Counter Port : This option provides a 5/8-18-UNF thread port on the air motor section of the pump for installing a mechanical cycle counter.
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