CALEFFI 24V 3/4" SWEAT 2-WAY N.C. ZONE VALVE, 7.5 Cv, 20 PSI
Technical specification
Valve body
Material: - body: forged brass (optional lead-free brass)
- seat: machined brass
- stem: stainless steel
- two o-ring seals and paddle: EPDM
Flow: 1 to 7.5 Cv (0.9 to 115°C)
Medium: water and glycol, low pressure steam
Maximum percent of glycol: 50%
Temperature range: 32 to 240°F (0 to 115°C)
Max. static pressure: 15 psi (1 bar) steam
300 psi (20 bar)
Max. closeoff ∆ pressure: 20 to 75 psi (138 to 517 kPa)
Connection: - sweat: 3/4”
Approvals: for lead-free brass Lead plumbing law compliance
(0.25% Max. weighted average lead content),
Lead plumbing law certified by IAPMO R&T
Actuator
Material: - base and cover: polycarbonate
- base plate: aluminum
Motor: - AC voltage: 24 V 50/60 Hz
Power requirements: 5.0 W, 7 VA
Power connections: - Terminal screws with auxiliary switch: 24 V only
- Wire lead length: 18” (45 cm), 24 V only
Auxiliary switch: 0.0 A min, 0.4 A max, 24 V (24V only)
0.25 A min, 5 A max, 250 V (Z111000 HCS)
0.25 A min, 5.0 A max, 250 V (120, 208, 230, 277 V actuators)
Ambient temperature range: 32 to 104°F (0 to 40°C) 24, 120 V
32 to 170°F (0 to 77°C) 208, 230, 277 V
Humidity: 95% non-condensing
Full Stroke Time: - On: <60 seconds
- Off: 6 seconds
Approvals: UL873, cUL Listed & CE
UL 1995 sec. 18 approved for air plenums and ducts,
Normally Open Actuators must be powered down during off-seasonREPLACES Z411537
Z111000 with auxiliary switch, 18 inch wire connection + Z200537 sweat body 3/4”
