ST21A-B2

7/8-14 UNF • Q_max 140 l/min (37 GPM) • p_max 350 bar (5100 PSI)

• Hardened precision parts
• Fine low-torque adjustment
• Linear adjustment and positive seat overlap
• Optionally adjustable by hand screw
• Desired settings may be locked down
• In the standard version, the valve is zinc-coated for 240 h protection acc. to ISO 9227. Enhanced surface protection for mobile sector available for the steel parts (ISO 9227, 520 h salt spray)