Install Instructions

MTC-04-0302
SF100 PRESSURE REDUCING VALVE (PRV)
Pressure reducing valve for automatic control of closed loop boiler make up fluid.
Specifications: Product Number: FM451
Size: ½” NPT Union
Body: brass
Inlet Connection: ½” NPT
Dimension (L x H): 4 1/8” x 5 5/16”
Weight (Lbs.): 1.8
Max. Temp continuous operation: 180°F
Min. Temp: 12°F
Max. pressure: 150 PSI
Adjustment range: 4-60 PSI
Factory set at: 12 PSI
Min. water temp: 40°F
Operation:
The SF100 PRV valve is factory set for 12 PSI. To change setting, loosen the jam nut
then turn hex head adjusting screw clockwise to increase the set pressure or
counterclockwise to lower the set pressure. When desired pressure is obtained, tighten
jam nut while holding adjusting screw stationary. CAUTION: The fast fill lever must
never be left in the horizontal position. The lever must be placed in the vertical position
to avoid over-pressurization and unnecessary relief valve discharge.
Features:
• Good for 12 story building
• Adjustable 4-60 PSI
• Fast-fill
• Built-in check valve
• Stainless steel filter
• Pressure balanced piston design
• Threaded union connections
• Complete bronze