I am from Australia and am having problems sourcing plastic check valves and three way valves which are suitable for 8 x 5 hose. I am using these components for a dosing system whereby the three way valve will allow me to divert flow from two different source tanks (each with a different pump)...
We are currently planning to attach a supply hose to an existing pipeline through a three way valve (in combination with non-return valves to avoid cross-contamination). We purchased a solenoid metering pump with a capacity of 2 bars @ 32 l/h and connector size 12x9 to supply a 40% nitric acid...