Polyhydron
We supply Polyhydron: valves and pumps. Send the model or part number, or a photo of the part, and we reply with a quote.
Polyhydron products
3 products
Valves and controls Cartridge valves and covers High-flow logic and slip-in cartridge valves with covers for relief, direction and flow control in a manifold. 
Valves and controls Counterbalance valves Valves that hold a load in place and let it down under control, so it cannot run away. 
Pumps and motors Pump bell housing and extension bracket The housing and coupling that joins a pump to an electric motor on a power pack. Brand names belong to their owners. HLA is an independent supplier and is not an authorised dealer of Polyhydron.