McFarland-Tritan, LLC offers Series MAC-J-5 hydraulically actuated diaphragm pumps. These pumps have maximum pressures of 1000 PSIG, a maximum capacity simples rating of 28 GPH, and a maximum capacity duplex rating of 56 GPH. Other features include: leak-proof metering, a built-in hydraulic relief valve, a heavy-duty gear reducer, an easily automated stroke rate, etc. Pumps are made from the following materials: Hastelloy-C, PVC, stainless steel, PTFE, and Carpenter Alloy 20.