V401 Series Weir / V402 Straight Through Type Diaphragm Valves Ideally suited to be installed as a tight shut-off or control valve in lines particularly containing abrasive or corrosive chemicals, slurries, powders, gases and high viscosity liquids with suspended solids which tend to clog conventional valves. Face to face dimensions are according to BS 5156 (short-pattern) or DN3202-F1 (long-pattern). Available as unlined or lined with flanged or threaded end connections. Weir in the flow passage is designed to reduce the flexing of the diaphragm to a minimum, while providing a smooth and streamlined flow passage. Permits the use of a great variety of construction materials such as PTFE for the diaphragm. Unlike "Weir Type" diaphragm valves, valves with "Straight Through" flow passage require a more flexible diaphragm, therefore the construction material for diaphragms is restricted to elastomers. 0K Weir Type Diaphragm Valve with Threaded End Connections 0K Material List Grease Reservoir Grease Reservoir Part Name GGG40 Ductile Iron Body / Bonet Optional Accessories/Configurations • Threaded End Connections • Pneumatic Actuator Operated • Lockable Handwheel Dimensions(mm) Size (DN) Straight Through Type Stainless Steel Diaphragm Valve with Flanged Ends Weir Type Diaphragm Valve with Flanged Ends Pneumaticly Actuated Straight Through Type Diaphragm Valve