  Sprague
Products offers a variety of industrial Hydraulic Pumps for various liquid output pressure up to 33,500 psi (2311 bar). Sprague Products pumps service water, oil and most corrosive chemicals. Sprague Products pumps are rugged, service-proven and virtually maintenance-free.
The Sprague Products positive-displacement type pump converts air inlet pressure to hydraulic output pressure. The pump uses low pressure air to act on a large area piston to produce high hydraulic pressure with a small area piston.
The Sprague Products Gas Booster, like Sprague Product air-driven hydraulic pumps, employ the piston differential areas principle - a large area air piston, driven at  low air pressure to drive a small area compression piston which converts input gas to higher pressure, lower volume output gas. The booster gas output or discharge pressure developed by the compression piston is determined by the ratio between the area of the air piston, the operating air pressure and the available precharge pressure. The function of the precharge pressure to the booster is to charge the high pressure cylinder inside the booster with gas, reducing the time required to reach higher pressures, and the time to return the compression piston and the air piston for the next compression cycle.
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  For over 60 years, Farris
Engineering has been a leader in the design and manufacture of spring loaded and pilot operated pressure relief valves. Used as safety devices, our valves protect processes, personnel and the environment against process disruption. Farris Engineering is recognized as a pressure relief solution provider to the energy, oil & gas production, petrochemical, chemical process, defense and industrial markets worldwide.
Valve solutions include the 2600
Series. The 2600 Series valves are ASME certified
for air, steam and water use. With Steel body and bonnet
with stainless steel trim the 2600 is available in sized
from 1' x 2" to 20" x 24". Effective orifice areas from 0.110 to 159 square inches, pressures from 15 psig to 6000 psi, an temperature range from 450 °F to
+1500 °F. Optional materials of construction include
complete 316 stainless steel, Monel and Hastelloy C, compliant
with NACE standards. Other industrial valve solutions include
the 2700 Series and the 3800 Series.
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