Model MBF

Operation

Model MBF Manual Balancing Valve features a cast steel venturi flow element. The precision machined throat provides measurement accuracy of ± 3% of flow rate. Mounted on the discharge is a ductile iron lug type butterfly valve with adjustable flow positioning plate. ANSI 125/150 flanged end connections. Dual extended length Pressure/Temperature ports. Hanging I.D. Tag.

Specifications

Size Range: 2.50″ thru 12.00″
Pressure Ratings: 200 PSIG (1380 kPa)
Temperature Ratings: 225ºF (107ºC)
Accuracy: ± 3% of flow rate
Body Material (Venturi): Carbon Steel ASTM A-120
Butterfly Valve: Ductile Iron A536 65-45-12
End Connections: ANSI Class 125/150# Flanged
Flow Element (2.5-6″): Brass Venturi, Permanently installed
Disc (8-12″): Aluminum Bronze B148 C954
Seals: EPDM
Seats: EPDM with Phenolic Backing
Stem: Stainless Steel 416 A582
Bushing: Teflon/Fiberglass Backed
Metering Ports: Extended Length Pressure/Temperature test ports
Available Options: “PTV” combination PT & Air Vent

SUBMITTAL DATA: Model MBF 2.5-6
SUBMITTAL DATA: Model MBF 8-12