Danfoss USV-I DN 20 PN 16 — manual (static) balancing valve for the risers and branches of hydronic heating and cooling systems; the presetting and isolating partner valve — sets the design flow (setting scale), shuts off and drains the circuit. Presetting fixes the branch flow so design flow is distributed correctly across the network. Kvs 2.5 m³/h. Maximum differential pressure 150 kPa. Media temperature -20 °C to 120 °C. internal thread connection (Internal thread ISO 7/1; Rp ¾). Brass body, PN 16. OEM designation "USV-I, DN 20, Internal thread ISO 7/1; Rp ¾". OEM P/N 003Z2132. EAN 5702420055701. Technical data quoted verbatim from store.danfoss.com (code 003Z2132).