| Вид документа | Каталожна сторінка |
|---|---|
| Виробник | JCI |
| Код документа | av-8020-av-8122-electric-brass-flare-valves-1-2-in-two-way-and-three-way-metal |
| Група обладнання | AV-8020 |
| Сторінок | 1 |
| Мова документа | англійська |
| Розмір файлу | 0.0 МБ |
Текст документа
Controls Group 507 E. Michigan Street
P.O. Box 423, Milwaukee, WI 53202
Code No. LIT-1924200
av8020_ p;w 1924200 9thcc:4-122 Valves Electric Valves and Actuators Rev:
071897
logo:
AV-8020, AV-8122 standard
left ft:
undefnd
Electric Brass Flare Valves, 1/2 in. Two-Way and Three-Way, right ft:
standard
Sect# = 2
seQ# = 293
Metal-Seated
av8020.tif To Order
Description
These 1/2 in. two-way and three-way flare valves Specify the code number from the selection
accurately regulate the flow of hot and cold water chart shown below. For available
in small HVAC terminal units, including fan coils, combinations, refer to Electric Valve and
perimeter radiation, and reheat coils. Actuator Selection Charts, Electrically
Actuated 1/2 Inch Flare Valves.
Features
Repair Parts
• available with a factory coupled VA-8x2x
Series Electric Actuator. This actuator can Unit replacement only except for
also be field mounted wtihout requiring any replacement packing. For replacement
extra parts packing, order V-520-650.
• contains a modulating plug that provides an
equal percentage relationship between valve
travel and flow at a constant pressure drop for
two-way operation, linear for three-way mixing
Specifications
Metal-Seated Electric-actuated Flare Valves
Service Hot and Cold Water
VB-5239 Refer to VB-5239, VB-5839 Series Brass Flare Valve Bodies, 1/2 in. Two-Way and
Valve Bodies
VB-5839 Three-Way, Metal-Seated
VA-8020-1
Actuators Refer to VA-8x2x Series Electric Actuators
VA-8122-1
0.5 Cv 0.1% of Maximum Cv
Maximum Seat Leakage
1.2 and 2.4 Cv 0.05% of Maximum Cv
Maximum Recommended Operating Differential Pressure Drop for
Valve Sizing 35 psi
Valve Stroke Length (Travel) 5/16 in.
Maximum Allowable Pressure 232 psi
Maximum Allowable Closeoff Pressure Refer to Electric Valve and Actuator Selection Charts.
Maximum Operating Temperature 195°F
Stem Stainless Steel
Trim Brass Complete
Materials
Body Forged Brass
Packing Non-adjustable EPR (Ethylene Propylene Rubber) Ring Packs
Body Style and Size Offset Globe for 1/2 in. SAE Flared Connections
Dimensions Valve Body End-to-End 3 inches
Selection Chart
Factory Coupled
Size (in.) Valve Body Style Maximum Cv (kv) Actuator Application
Assembly Number
VB-5239-1730 0.5 (0.43) AV-8020-1001
VB-5239-1750 Two-Way PDTC 1.2 (1.0) AV-8020-1002
VB-5239-1770 2.4 (2.0) AV-8020-1003
VA-8020-1 Floating / Incremental
VB-5839-1730 0.5 (0.43) AV-8020-1004
VB-5839-1750 Three-Way Mixing 1.2 (1.0) AV-8020-1005
VB-5839-1770 2.4 (2.0) AV-8020-1006
1/2
VB-5239-1730 0.5 (0.43) AV-8122-1001
VB-5239-1750 Two-Way PDTC 1.2 (1.0) AV-8122-1002
VB-5239-1770 2.4 (2.0) AV-8122-1003
VA-8122-1 Proportional
VB-5839-1730 0.5 (0.43) AV-8122-1004
VB-5839-1750 Three-Way Mixing 1.2 (1.0) AV-8122-1005
VB-5839-1770 2.4 (2.0) AV-8122-1006
The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson
Controls office. Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 10/00 Johnson Controls, Inc
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