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Description
VGF Flanged Globe Valves are used for 2-position or modulating control of hot water or chilled water-glycol solutions up to 50% concentration in heating, ventilation and air conditioning (HVAC) systems. They can be operated by ML6984/7984, ML6420/6425, ML6421/7421 Electric Linear Actuators, MP953 Pneumatic Actuators, Modutrol Motors with Q5001 valve linkage, or MN/MS Series Direct Coupled Actuators with Q5020 or Q5022 valve linkages. Three-way bodies are available in mixing or diverting style with equal percentage and linear flow characteristics, respectively. For boiler/chiller bypass applications requiring tight close-off, use VGF31/32LD diverting valves. For outdoor temperature compensation of building supply water, or modulating control of heat exchangers, use VGF31/32EM mixing valves.

Features
  • ANSI Class 125 and Class 250 cast iron bodies with flanged end connections.
  • Face-to-face flange dimensions per ANSI/ISA S75.03 standard.
  • Sizes from 2-1/2 to 6 inches.
  • Stainless steel trim standard for long life span.
  • Self-adjusting packing.
  • Accurate positioning with equal percentage and linear flow characteristics to ensure precise temperature control.
  • Universal bonnet for direct-coupled electric and pneumatic actuators for easy mounting, or linkage coupled Modutrol Motors and MN/MS Series direct coupled actuators.
  • Constant total flow throughout full plug travel (3-way diverting models).
  • Not suitable for combustible gasses.
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Specs
Application:
Mixing
Size:
6"
Max Pressure (PSI):
400
Fluid Temperature Range:
20 to 250 F
Connection Method:
Flanged
Connection Type:
Flange x Flange
Material:
Cast Iron
Flow Capacity (Cv):
370
Length:
18-5/8"
Height:
12-9/16"
Width (Inches):
12-1/2"
Bonnet Size:
1-7/8"
Valve Action:
Mixing
Step up to close A-AB
Stem Travel:
1-1/2"
Max Differential:
13 psi
Static Pressure:
ANSI 250
Leakage Rating:
Port B seat leakage 1.0%
Port A seat leakage: 0.5%
Valve Type:
Globe
Controlled Fluid:
Chilled or hot water with up to 50% Glycol
Body Pattern:
3-Way
Flow type:
Equal Percentage
ANSI/ASME Rating:
250
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