Photographs of the B/Mc spray valve, the trucks it runs on, and the company that has been building it in the USA since 1971.
The valve
The B/Mc spray valve — cast lid, banded clamp, grooved inlet.The same valve photographed in the shop.From the side, showing the clamp band and control fitting.The mark is cast into the lid, not applied afterwards.Machined inlets on a batch of bodies.Grooved inlets, looking down the row.The cast mark on a lid, among a batch of grooved inlets.
In the shop
Valves are built, assembled and tested in Kelso, Washington.
A batch on the bench.Assembled and lined up.Bodies and components staged for assembly.Finished valves waiting to ship.Assembly under way.Bodies, lids and finished valves together.Couplings and clamps, ready to go out.Machined couplings, close up.
On the truck
The valve as it is actually used — mounted, plumbed and working.
Mounted at the rear of a finished truck.Valve and control plumbing on the body.The valve sits close to the spray head it feeds.Hose routing into the valve.On a truck ready for delivery.Fitted and in service.Plumbing along the body.A water truck fitted with B/Mc spray equipment.Valve and plumbing at the rear of a finished truck.Mounted on the tank, outdoors.Valve and control plumbing against the body.
Tankers and trailers
Spray heads either side of the tailgate.Rear spray head, plumbed and ready.Mounted beneath the tank.Delivery pipe running out to the head.Below the frame.A finished trailer with spray equipment fitted.A finished truck, rear view.
Looking for a part rather than a photograph? Start with the parts diagrams.