HHV offers pneumatically operated Right Angle Valve of 25mm and 50 mm in Aluminium and other models Stainless Steel. These Right Angle Valves are fitted with neoprene "O" rings as standard and optionally viton "O" rings are offered. These valves are used as "in-line" chamber isolation valve. Right Angle Valves are leak tight to the sensitivity of 10-9 m.bar litsec.