SC Hydraulic Engineering L7 High Flow Liquid Pump

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SC Hydraulic Engineering L7 High Flow Liquid Pump
SC Hydraulic Engineering L7 High Flow Liquid Pump

SC Hydraulic Engineering L7 High Flow 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, DOUBLE AIR MOTOR
COMPATIBLE WITH MOST FLUIDS
STAINLESS STEEL WETTED PARTS
AIR OPERATED – NO ELECTRICITY NEEDED
PRESSURE UP TO 21,500 PSI

The SC L7 Series pump has a 7″ diameter air drive section and stainless steel wetted parts in the hydraulic section. This double acting pump is equipped with a double air motor drive section that roughly doubles the liquid outlet pressure compared to an equivalent single air motor design. It is capable of hydraulic pressures up to 21,500-psi at 100-psi drive air pressure.

SC Hydraulic Engineering L7 High Flow Liquid Pump
SC Hydraulic Engineering L7 High Flow Liquid Pump

This pump is ideal for high flow at relatively high pressure applications. Nominal outlet flow ranges between 0.5-gpm to 2-gpm depending on outlet pressure. Maximum air consumption is approximately 225-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. Typical applications include choke control operation, hydrostatic pressure testing and press applications.

L7 High Flow Liquid Pump Application

Hydrostatic pressure testing
High flow power units
Blowout preventer (BOP) systems
Sub-sea valve controls
Choke control operations
Bolt tensioing
Dimensions
DashActualMax PressureDisplacementNPT/LF4 (Std)SAE/LF4 (Optional)CDL
NumberRatiopsig @125 Pa (1)Per CycleA ThreadB ThreadA ThreadB ThreadB Thread
Cu. In.
-15202,250.273/8″1/4″-8 SAE-6 SAE7/16-20 *1.52.438.02
-25313,50.183/8″1/4″-8 SAE-6 SAE7/16-20 *1.52.438.02
-35404,3750.143/8″1/4″-8 SAE-6 SAE7/16-20 *1.52.438.02
-45556,1250.13/8″1/4″-8 SAE-6 SAE7/16-20 *1.52.438.02
-65798,8750.0691/4″1/4″-6 SAE-6 SAE7/16-20 *11.937.52
-105123140.0441/4″1/4″-6 SAE-6 SAE7/16-20 *11.937.52
-12513815,60.0441/4″7/16-20 *-6 SAE11.937.52
-19521324,3750.0383/8″9/16-182.242.718.75

Ordering

schydraulic-gas booster ordering

TABLE 1Gas Booster Series (1)
GBSingle Stage
TABLE 2Modification
BlankNo Modification
M402Remote Pilot
3EPR O-rings, Polyurethane Main Seal
TABLE 3Cylinder Modification
BlankSingle Head
TABLE 4Pressure Ratio Single or First Stage
5GB
15GB
30GB
75GB
TABLE 5Pressure Ratio Second Stage
BlankN/A on GB Series
TABLE 6Service Option
BlankStandard
2Oxygen Service (2)
H2Hydrogen 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

Performance Chart
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.chydraulic-m002mod
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.

 

Read more : SC Hydraulic Engineering 10-4 Liquid Pump

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