Dopak has developed a spring return handle to serve the markets growing demand for more safety and ergonomics. A spring return handle ensures a normally closed position of the 2-way valve when valve is not being operated. 

Features: 

• Normally closed position of valve when not being operated
• Handle torque is adjustable with specific range
• Handle has an adjustable damper to provide controlled closing of the valve and to prevent damage on the stem seals
• Position of handle can be change 180°
• Designed for ISO 5211 topworks 

Specifications: 

• Material : Stainless steel for externals. Plastic handle cover.
• ISO 5211 topwork : F03, F04, F05 and F07.
• Stem extensions : 40 mm (standard), 80 or 120 mm.
• Torque : 15, 25 or 35 Nm.

In order to generate the correct code for the Dopak Spring Return Handle, suited for pipe spec ball valves with ISO 5211 Topworks, please measure the items of A, B and C in mm: 

• A Stem width
• B Stem actuating height
• C Total height 

and select one of the options of D, E and F:

• D ISO 5211 Topworks type: F03, F04, F05 or F07
• E Torque: 15, 25 or 35 Nm
• F Stem Extension: 40 (standard), 80 or 120 mm