V48 Series Three-Way Water
Regulating Valve
Valves and Valve Accessories
Code No. LIT-1927345
V48 Series Three-Way Water Regulating Valve
Description
V48 Series valves are designed specifically
for condensing units cooled either by
atmospheric or forced draft cooling towers.
Refer to the V48 Series 3-Way Water
Regulating Valves for Cooling Tower Systems
Product Bulletin (LIT-121705) for important
product application information.
Selection Chart (Non-Corrosive Refrigerants)
Product
Code
Number
V48AB-1C 1/2 85 to 110
V48AB-2C 1/2 145 to 190
V48AC-1C 3/4 85 to 110
V48AC-2C 3/4 145 to 190
V48AD-1C 1 85 to 110
V48AD-2C 1 145 to 190
V48AE-1C 1-1/4 85 to 110
V48AE-2C 1-1/4 145 to 190
V48AF-1C 1-1/2 85 to 110
V48AF-2C 1-1/2 145 to 190
V48AJ-2C 1/2 30 in. capillary
V48EK-2C 3/4 30 in. capillary
V48AL-2C 1 320 psig
V48AM-2C 1-1/4 STT17A-617R
1. Standard capillary length on Style 45 elements is 30 inches
2. Replacement element supplied with 1/4 in. external SAE connector. Order SEC99AA capillary kit with two flare nuts separately if needed.
Use only on valves specified.
Pipe
Size, In.
Range Opening Point
of
Normally Closed Side
psi (kPa)
(586 to 758)
(1,000 to 1,310)
(586 to 758)
(1,000 to 1,310)
(586 to 758)
(1,000 to 1,310)
(586 to 758)
(1,000 to 1,310)
(586 to 758)
(1,000 to 1,310)
Applications
V48 Series valves are used on single or multiple
condenser hook-ups to the tower to provide the
most economical and efficient use of the tower.
Repair Information
If the V48 Series Three-Way Water Regulating
Valve fails to operate within its specifications,
replace the unit. For a replacement valve, contact
the nearest Johnson
Pressure
Element
Style
30 in. capillary
with 1/4 in. flare nut
1
(Style 45)
1/4 in. External Flare
Fitting (Style 5)
with 1/4 in. flare nut
(Style 45)
with 1/4 in. flare nut
(Style 46)
Controls®
Water
Supply
Pressure
150 psig
(1,034 kPa)
representative.
Inlet
and
Outlet
Ports
Threaded 230 psig
Union 320 psig
Max
Bellows
Overpressure
(1,586 kPa)
320 psig
(2,206 kPa)
230 psig
(1,586 kPa)
320 psig
(2,206 kPa)
230 psig
(1,586 kPa)
320 psig
(2,206 kPa)
230 psig
(1,586 kPa)
320 psig
(2,206 kPa)
230 psig
(1,586 kPa)
320 psig
(2,206 kPa)
(2,206 kPa)
370 psig
(2,551 kPa)
(2,206 kPa)
Seat Repair
Kit
STT15A-605R SEP91A-602R
STT16A-604R SEP91A-601R
STT17A-616R SEP91A-603R
STT17A-617R
STT17A-604R SEP81A-602R
STT15A-605R SEP77A-605R
STT16A-604R SEP127A-600R
STT17A-616R SEP107A-602R
Replacement
Sensing
Element
SEC99AA-36C
SEC99AA-36C
SEC99AA-36C
SEP81A-601R
2
2
2
Technical Specifications
V48 Series Factory Settings
Refrigerant (R) Factory Settings psig (kPa)
Low Pressure (R-12, R134a, etc.) 95 (655) 120 (896)
Medium Pressure (R-22, R404A, etc.) 165 (1,138) 215 (1,482)
The performance specifications are nomina l and con form to accep table ind ustry stand ards. For applicati ons at con ditions be yond these specification s, consult th
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc.
Opening Press.
Port 1 to Port 2
R-160
Closing Press.
Port 1 to Port 3