Brochure

Parker Hannifin Corporation
Climate & Industrial Controls Group
Cleveland, OH
Flo-Con Pressure Regulators and Valves
298
Catalog CIC-2003-1/US
A8 Pressure Regulators
Features and Benefits
• Dual range spring for flexibility in application.
• Highest capacity commercial regulator in the
industry.
• Molded Class H coil construction.
• Internally pilot operated.
• Manual opening stem.
• Interchangeable capacity cartridges.
• Inlet, outlet, or differential control capability.
• Sweat-in place without disassembly.
• Inlet access fitting as standard.
• Electric shut-off and electric wide open variations.
• Excellent regulation at light loads.
• DIN coil assemblies available.
Specifications
• Control range: 10" Hg to 400 psig (250mm Hg to
27.6 bar).
• Minimum fluid temperature: -40°F (-40°C).
• Design Pressure (M.R.P.): 450 psig (31.0 bar).
• UL listed (except 50 Hz version), file # SA5473.
• CSA certified, file LR20991-14.
A8 Valve Nomenclature
A8 Port/Connection Size Combinations
Valve Types: A8A, A81, A82. All are inlet pressure regulators.
Optional adapter functions are as follows:
Technical Information A8 Pressure Regulators
Standard Voltages
• 120V/60Hz, 110V/50Hz
• 240V/60Hz, 220V/50Hz
• 208V/60Hz
• 240V/60Hz, 220V/50Hz (DIN)
• 240V/50Hz (DIN)
Port Size
in Inches
7/8"
Body
Size
A
Valve
Family
A8
Optional Variation
(see chart)
BL
Connection Size
in Inches
1 1/8"
“ S” Suffix Inlet Regulator with Electric Shut-Off
“ B” Suffix Inlet Regulator with Electric Bypass Feature
“ L” Suffix Differential Pressure Regulator
“ BL” Suffix Differential Regulator with Electric Bypass Feature
“ OE” Suffix Outlet Pressure Regulator
“ OES” Suffix Outlet Pressure Regulator with Electric Shut-Off
Valve Type Port Size Available Connection Sizes
A8A 3/8" (9mm) 5/8", 7/8", 1-1/8" (15mm, 22mm, 28mm)
A8A 5/8" (15mm) 5/8", 7/8", 1-1/8" (15mm, 22mm, 28mm)
A8A 7/8" (22mm) 7/8", 1-1/8" (22mm, 28mm)
A81 5/8" (15mm) 1-1/8", 1-3/8" (28mm, 35mm)
A81 7/8" (22mm) 1-1/8", 1-3/8", 1-5/8", 2-1/8" (28mm, 35mm, 42mm, 54mm)
A81 1-1/8" (28mm) 1-1/8", 1-3/8", 1-5/8", 2-1/8" (28mm, 35mm, 42mm, 54mm)
A81 1-3/8" (35mm) 1-1/8", 1-3/8", 1-5/8", 2-1/8" (28mm, 35mm, 42mm, 54mm)
A82 1-5/8" (42mm) 1-5/8", 2-1/8", 2-5/8" (42mm, 54mm, 66mm)
A82 2-1/8" (54mm) 1-5/8", 2-1/8", 2-5/8" (42mm, 54mm, 66mm)
A82 2-5/8" (66mm) 1-5/8", 2-1/8", 2-5/8" (42mm, 54mm, 66mm)