Z20A – Z30A General features
Female threaded connections ISO 7/1.
Suitable for hot and cold water, antifreeze up to 50% of the volume.
Valve body in stamped nickel-plated brass.
Stainless steel ball and pin.
PTFE seals.
Pin sealing in EPDM.
TEFZEL regulation disc.
Equal percentage regulation feature, no leakage, sealed closing (ports A-AB).
By-pass B-AB linear feature, flow rate consists 70% of the Kv, leakage of about 1 ÷ 2% of the Kv according to the standards DIN 3230 (ports A-AB) (3 ways).
Servocontrol cover in thermoplastic material.
Manual operation through the handle and manual/automatic control button.
Position indicator with reversible scale.
Protection class: I.
Fluid temperature: 5 ÷ 100°C.
Maximum differential pressure: 3.5 bar.
Rated torque: 10 Nm.
Electric features
Power supply: 230V 50/60Hz.
Power consumption: 3.5VA.
Power supply cable 1m – 3 x 0.5 mm².