Bladder Accumulator ASME U Stamp W/Certs Welltrol Accumulator is the hydraulic equivalent of a spring in that it can store energy and dampen an impulse or force. The main uses of accumulators are: Energy savings by reduction of pump capacity requirements Pulsation dampening and noise reduction from pumps and water hammer Maintaining system pressure during system demand or leakage Thermal expansion compensation Storage of fluid power for emergency back-up Bladders are available in nitrile and cold-weather nitrile. Other elastomers are available by special order. The shell is chrome-molybdenum seamless non-welded construction, ASME U stamped. Top repairable and bottom load configurations are available. Working Pressure up to 3000Psi and also carry 5000Psi. We stock 1-15 Gallon Bladder Accumulators 1- 1/4 to 2 Bladder Repair Kits Port Assembly Kits Plug and Poppet Assembly Kits Gas Valve Assembly Kits Control Valves Regulators Manifolds Pumps Transmitters BOP Closing Unit Parts.. Visit the WebSite: www.welltrolaccumulators.com Click the Request for Quote Option to email me