Brochure

80 63-8702
Motorized Zone Valves
V8043 Low Voltage Normally Open Zone Valves
Sweat Connection Inverted Flare Flare Connection NPT Connection
On-off and two-way low voltage valves consist of an actuator and
valve assembly for controlling the flow of hot water.
• All models may be installed without disassembling the valve.
• Compact construction for easy installation.
• Complete powerhead may be removed or replaced without breaking
plumbing line connections or draining the system.
• Actuator motor may be replaced without removing the valve body or
draining the system.
• No Manual opener
Application: Hydronic Control
Valve Type: Zone Valve
Body Pattern: Two-way, Straight-through
Valve Action: Spring return to open
Voltage: 24 Vac; Power Consumption – 7.7 VA
Capacity (Cv): 3.5 Cv
Capacity (Kv): 3 Kv
Actuation: Two position
De-energized Position: Normally Open
Electrical Connections: 18 in. leads (457 mm leads)
Ambient Temperature Range: 125°F Maximum (52°C Maximum)
Fluid Temperature: 40°F to 200°F (5°C to 93°C)
Maximum Differential Pressure Ratings (Close-off) (psi): 20 psi
Maximum Differential Pressure Ratings (Close-off) (kPa): 138 kPa
Static Pressure Rating (psi): 125 psi
Static Pressure Rating (kPa): 862 kPa
Materials (Body): Brass
Materials (Seat): Brass
Materials (Stem): Stainless Steel
Materials (Plug / Ball / Disc): Buna-N (NBR) Rubber Ball
Materials (Packing): EPDM rubber
Timing: Nominal Open – 15 sec
Operating Humidity Range (% RH): 5 to 95% relative humidity,
non-condensing.
Manual Opener: No
Approvals, Underwriters Laboratories Inc.: UL Component Listed: File
MH11826 Vol. 1
Approvals, CSA: CSA Certified: File 1322
Comments: Use this valve in closed loop hydronic systems that do not
contain dissolved oxygen in system water, such as fresh water from
frequent source of makeup water. Valve designed for cycling (not
constantly powered on) applications.
Current Draw: 0.32A
Dimensions in inches (millimeters). See page 73.
Material Number Pipe Size
(inch)
Pipe Size (DN) Connection Type Frequency Auxiliary End
Switch
End Switch Rating Includes
V8043B1019/U 1/2 in. DN15 Sweat 60 Hz
V8043B1027/U 3/4 in. DN20 Sweat 60 Hz
V8043B1076/U 3/4 in. DN20 NPT 50 Hz; 60
Hz
V8043D1031/U 3/4 in. DN20 NPT 50 Hz; 60
Hz
V8043D1049/U 3/4 in. DN20 Sweat 50 Hz; 60
Hz
With 1/16 in. bypass hole
V8043D1064/U 3/4 in. DN20 Sweat 50 Hz; 60
Hz
V8043D1080/U 3/8 in. DN10 Flare 50 Hz; 60
Hz
With 2 straight 3/4 in. sweat adapters.
V8043D1156/U 1/2 in. DN15 Sweat 50 Hz; 60
Hz
V8043D1197/U 3/8 in. DN10 Flare 50 Hz; 60
Hz
Less Adapters Order separately - 272704A
(1/2 in. sweat), 272704B (3/4 in. sweat)
V8043D1205/U 1/2 in. DN15 Inverted Flare 50 Hz; 60
Hz
Order adapters separately - 272708A (1/2
in. inverted flare to 1/2 in. sweat adapter),
272708B (1/2 in. inverted flare to 3/4 in.
sweat adapter). Valve designed for cycling
(not constantly powered on) applications
V8043D1239/U 1/2 in. DN15 Inverted Flare 50 Hz; 60
Hz
N.C. SPST 2.2 A @ 120Vac 60Hz Less Adapters