• 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.2 1/2" MIX VLV 3 WAY CV63 250= 0Fluid Temperature Range (F) | 20 F to 250 F |
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Fluid Temperature Range (C) | -7 C to +120 C |
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Overview | 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 closed loop 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. |
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Comments | Stem up to close A-AB |
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Flow Characteristic | Equal Percentage (A-AB) |
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Controlled Fluid | Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels. |
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Pipe Size (inch) | 2 1/2 in. |
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Flow Capacity (kvs) | 60 kvs |
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Maximum Safe Operating Pressure (psi) | 400 psig |
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Maximum Safe Operating Pressure (kPa) | 2758 kPA |
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Valve Action | Mixing, step up to close A-AB |
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Actuation | Must be purchased separately |
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Maximum Differential Pressure Ratings (Close-off) (psi) | 87 psi |
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Maximum Differential Pressure Ratings (Close-off) (kPa) | 599 kPa |
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Maximum Differential for Quiet Water Service (psi) | N/A |
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Maximum Differential for Quiet Water Service (kPa) | N/A |
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Static Pressure Rating | ANSI 250 |
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Leakage Rating | Port A seat leakage: 0.5%; Port B seat leakage 1.0% |
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Materials (Body) | Cast Iron ASTM A126 Class B |
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Materials (Seat) | Stainless Steel |
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Materials (Stem) | Stainless Steel |
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Materials (Plug/Ball/Disc) | Stainless Steel |
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Materials (Packing) | Spring-loaded PTFE cone rings |
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Materials (Cartridge) | Stainless Steel |
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Dimensions (in.) | 11-12 in.L x 7-1/2 in.W x 8-3/16 in.H |
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Dimensions (mm) | 298 mmL x 191 mmW x 322 mmH |
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Bonnet Size (in.) | 1-3/8 in. |
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Used With | ML6984/ML7984; ML6420/21A/25; ML7420/21A/25; Q5020/DCA; Q5001/Modutrol IV Motor; MP953 |
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