Electropneumatics makes pneumo-hydraulic booster pumps with pressure rating up to 15,000 psi and hydro-hydraulic booster pumps with pressure rating up to 35,000 psi. Double acting models are also available. They are suitable for water, oil and other fluids and find application in pressure testing of valve seats and bodies, pressure vessels, fittings, hoses, pipes, etc. They can also be used as a source for power clamp heads, hydraulic actuators and expansion of AC condenser coils.