3-way flanged motorized globe valves(ZL31AA-ZL31AB-ZL31AC-ZL31AD-ZL31AE-ZL31AF-ZL31AG-ZL31AH-ZL31AI)


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Globe valves for water flow rate control, with equal percentage feature, in ventilation, air-conditioning and heating systems.



General Features: Controlled fluid: cold and hot water with max 50% glycol volume; Controlled fluid temperature 5 ÷ 120 ° C; High closing point (▲); Stainless steel shutter; Stem in stainless steel; EPDM O-ring stem seal; Flow rate characteristic: – regulation port A – AB: equal percentage (VDI / VDE 2173) n (gl) = 3, bypass B – AB: linear (VDI / VDE 2173); Leakage rate: adjustment port A – AB: max 0.05% Kvs, bypass B – AB: max. 1% of the value of kvs.

PN 16 flanges (according to ISO 7005-2); GG25 valve; Nominal pressure 1600 kPa; Differential pressure ∆pmax 400 kPa.

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