Danfoss USV-I DN 32 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 6.3 m³/h. Maximum differential pressure 150 kPa. Media temperature -20 °C to 120 °C. internal thread connection (Internal thread ISO 7/1; Rp 1 ¼). Brass body, PN 16. OEM designation "USV-I, DN 32, Internal thread ISO 7/1; Rp 1 ¼". OEM P/N 003Z2134. EAN 5702420082509. Technical data quoted verbatim from store.danfoss.com (code 003Z2134).