The WMD Premium Center Bar w/Isolator Valve incorporates double O-ring seals known for their robust reliability. 180 mm size for 8.5-inch center to center spacing. Chromed Brass Construction - Nitrox ready. Modular barrel design w/double O-Ring seals.This doubles manifold isolation cross bar is the standard 180 mm size suitable for use with standard 8.5-inch center to center manifold spacing. It uses oxygen compatible materials and when sealed in the original factory packaging is also free of organic and particle contamination. The WMD Premium valves feature a nearly indestructible handwheel made from soft rubber formed around a stainless steel insert. The stainless steel insert ensures positive operation with long-lasting life. The large ribs make it easy to open or close the valve even while wearing gloves. The rubber with stainless steel insert handwheel design is the preferred choice of technical divers. Service Kits and Spare Parts available.

The WMD 225 bar Premium Modular Valve, Right (common Side) can be used as a stand-alone valve such as in sidemount diving or with a cross bar with an isolator valve in a doubles manifold. Standard 3/4 NPSM neck threads. DIN outlet can accept Yoke inserts (sold separately). Chromed Brass Construction - Nitrox ready. Valves have a recessed 357 bar/ 5250 psi burst disk.WMD Premium Valves are Nitrox Ready, using oxygen compatible materials and when sealed in the original factory packaging is also free of organic and particle contamination. The valves have DIN outlets that can accept optional removable inserts (sold separately) so the valves may be used with yoke connectors.  Inlets have imperial 3/4 NPSM neck threads for use with modern aluminum and steel SCUBA tanks manufactured for the North American market. Inlets also include a threaded 'dip tube' with hex opening suitable for easy dependable installation with a hex key. The valves feature a nearly indestructible handwheel made from soft rubber formed around a stainless steel insert. The stainless steel insert ensures positive operation with long-lasting life. The large ribs make it easy to open or close the valve even while wearing gloves. The rubber with stainless steel insert handwheel design is the preferred choice of technical divers. Service Kits and Spare Parts available.Note if using these as single tank valves, that plugs used on the modular valve with the right ( typical ) side handwheel are notched on the corners of the wrench flats. The notches indicate the screw threads are reversed, and must be rotated clockwise to remove and rotated counter-clockwise to install. This is the opposite of typical screw threads and attempting to remove the notched plug using counter-clockwise force will damage the valve.

The WMD 225 bar Premium Modular Valve, Left (uncommon Side) can be used as a stand-alone valve such as in sidemount diving or with a cross bar with an isolator valve in a doubles manifold. Standard 3/4 NPSM neck threads. DIN outlet can accept Yoke inserts (sold separately). Chromed Brass Construction - Nitrox ready. Valves have a recessed 357 bar/ 5250 psi burst disk.WMD Premium Valves are Nitrox Ready, using oxygen compatible materials and when sealed in the original factory packaging is also free of organic and particle contamination. The valves have DIN outlets that can accept optional removable inserts (sold separately) so the valves may be used with yoke connectors.  Inlets have imperial 3/4 NPSM neck threads for use with modern aluminum and steel SCUBA tanks manufactured for the North American market. Inlets also include a threaded 'dip tube' with hex opening suitable for easy dependable installation with a hex key. The valves feature a nearly indestructible handwheel made from soft rubber formed around a stainless steel insert. The stainless steel insert ensures positive operation with long-lasting life. The large ribs make it easy to open or close the valve even while wearing gloves. The rubber with stainless steel insert handwheel design is the preferred choice of technical divers. Service Kits and Spare Parts available.Note if using these as single tank valves, that plugs used on the modular valve with the Left side handwheel are notched on the corners of the wrench flats. The notches indicate the screw threads are reversed, and must be rotated clockwise to remove and rotated counter-clockwise to install. This is the opposite of typical screw threads and attempting to remove the notched plug using counter-clockwise force will damage the valve.