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F6250HD+SY4-24 | Belimo | Control Valves

10" 2-WAY DI BFV, SS DISC, CV 5340, COP 200 PSI




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product family specifications


2″ thru 20″


115 thru 27908 (See ordering)

Mounting Flange

ANSI Class 125/150 lug style flanges

Maximum Closeoff Pressure

Undercut Models (HDU) 50 psid (345 kPa)

Full Disc (HD) 200 psid (1380 kPa)

Pressure Rating

200 psig (1379 kPa) @ -30° to 275℉

ASME/ANSI Class 125/150

Materials Of Construction

Valve Body Ductile iron ASTM A536 (with epoxy powder finish)


Shaft 416 stainless steel

Disc 304 stainless steel

O-ring EPDM

Bushings RPTFE

Media Compatibility

Hot or chilled water, up to 60% glycol

Media Temperature

-22° to 250℉ (-30° to 120℃)

Supply Voltage

24 VAC/VDC (Belimo direct-coupled); 24 VAC or 120 VAC (SY Series)

Control Signal

Two-position, floating or proportional 0-10 VDC, 4-20 mA

Actuator Type

Spring Return/Fail Safe (SR), Non-Spring Return (NSR)

Manual Override

All models have manual override

Operating Temperature

-22° to 122℉ (-30° to 50℃)

Enclosure Rating

NEMA 2 and NEMA 4 enclosed (Belimo direct-coupled actuators); NEMA 4/4X (SY Series industrial actuators)


2 years

product family features

  • Advanced seat and disc design provide bubble-tight shutoff while maintaining a low seating torque
  • Standard rotary actuators, or industrial grade NEMA 4 actuators for a variety of application requirements
  • Internal valve body five bushing design isolates the valve body from the shaft resulting in better control
  • Standard stainless steel disc and shaft for strength, durability and long-lasting operation

more information & related documents

Family Description

The Belimo F6, F7 Series butterfly valves fulfill the requirements of commercial and industrial HVAC applications requiring positive shutoff for water. Applications include chiller isolation, cooling tower isolation, change-over systems, large air handler coil control and bypass, and various water distribution and storage systems. The F6 assemblies are two-way and the F7 are three-way flow patterns. Undercut disc assemblies, designated by "HDU" in the part number have a maximum close-off of 50 psid, and full-cut models, designated by "HD" part number, have full 200 psid close-off rating. Small size valves are available with economical Belimo rotary actuators and all sizes are available with industrial grade, NEMA 4 actuators, to meet most application requirements. Other sizes, assembly combinations, connection types, and materials of construction are available.

Kele Description

10" 2-WAY DI BFV, SS DISC, CV 5340, COP 200 PSI



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