Functional data Flow media Cold and hot water, Refrigerant (R12, R22, R134a, R202),
water with max. 50% volume of glycol, Hydrazine,
Phosphate
Temperature of medium 0°C…+180°C
Rated pressure P 2500kPa (PN25)
Flow characteristic Control path A – AB: equal percentage (to VDI/VDE 2173)
n(gl) = 3, optimised in the opening range
Rangeability S See «Type overview»
Leakage rate Max. 0.02% of kvs value
(DIN EN 1349 and DIN EN 60534-4)
Pipe connection Flange to ISO 7005-2 (PN25)
Stroke See «Type overview»
Valve closing point Up (▲)
Installation position Upright to horizontal (in relation to the stem)
Maintenance Maintenance-free
Materials Body Ductile iron GGG40
Valve cone Stainless steel SS304
Valve stem Stainless steel SS630
Valve seat Stainless steel SS304
Stem gland seal Teflon
Dimensions / Weights Dimensions and weights See «Dimensions and weights»