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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. © 2015 Johnson Controls, Inc. www.johnsoncontrols.com
R-187
V248 Series Three-Way Pressure-Actuated Water-Regulating Valves for
High-Pressure Refrigerants (Continued)
Valves and Valve Accessories
Materials
Technical Specifications
North American V248 Materials
Nominal Valve Size: 3/8 in. to 3/4 in.
(Commercial)
1 in. to 1-1/2 in.
(Commercial)
Maritime (All Sizes)
Material
Body Cast brass Cast iron/rust resisting finish Cast bronze
Seat Aluminum bronze Aluminum bronze Monel
Disc BUNA-N BUNA-N BUNA-N
Disc Cup Brass Brass Monel
Disc Stud Brass Brass Monel
Stem/Extension Sleeve Brass Brass Monel
Diaphragms Nylon reinforced BUNA-N Nylon reinforced BUNA-N Nylon reinforced BUNA-N
Refrigerant Contact
Pressure
Element
Cup 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel
Bellows 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel
Bellows Ring Steel/nickel plated Steel/nickel plated Steel/nickel plated
European V248 Materials
Nominal Valve Size: 3/8 in. to 3/4 in.
(Commercial)
1 in. to 1-1/2 in.
(Commercial)
Maritime (All Sizes)
Material
Body Hot forged brass Cast iron/rust resisting finish Cast bronze
Seat Aluminum bronze Aluminum bronze Monel
Disc BUNA-N BUNA-N BUNA-N
Disc Cup Brass Brass Monel
Disc Stud Brass Brass Monel
Stem/Extension Sleeve Brass Brass Monel
Diaphragms Nylon reinforced BUNA-N Nylon reinforced BUNA-N Nylon reinforced BUNA-N
Refrigerant Contact
Pressure Element Cup 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel
Bellows 300 Series stainless steel 300 Series stainless steel 300 Series stainless steel
Bellows Ring Steel/nickel plated Steel/nickel plated Steel/nickel plated
V248 Series Pressure-Actuated Water-Regulating Valves for High-Pressure Refrigerants
Maximum Working Pressure 630 psig (43.4 bar)
Factory-Set Opening Point (Port 1 to
Port 2)
275 psig (19.0 bar)
Opening Point Adjustment Range
(Port 1 to Port 2)
200 to 400 psi (13.8 to 27.6 bar)
Throttling Range 120 psi (8.3 bar) for 1/2 in. size
100 psi (6.9 bar) for 3/4 in., 1 in., and 1-1/4 in. sizes
140 psi (9.6 bar) for 1-1/2 in. size
Media 150 psig (10.3 bar) maximum,
-4F to 170F (-20C to 77C) glycol/water or liquids with low freezing points that are compatible with valve materials