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Overview

VGF Flanged Globe Valves are used for 2-position or modulating control and can be operated by ML6984/7984, ML6420/6425, ML6421/7421 Actuators, MP953 Pneumatic Actuators, Modutrolâ„¢ Motors with Q5001 valve linkage, or MN/MS Direct Coupled Actuators.

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 Modutrolâ„¢ Motors and MN/MS Series direct coupled actuators.
  • Constant total flow throughout full plug travel (3-way diverting models).
  • Not suitable for combustible gasses.

Product Specifications

Dimensions (in.)
15-3/4 in. lenght x 10 in. width x 12-3/8 in. height
Dimensions (mm)
400 mm lenght x 254 mm width x 314 mm height
Maximum Safe Operating Pressure (psi)
175 psig at 130 F (66 C)
Maximum Safe Operating Pressure (kPa)
1206 kPa at 66 C (130 F)
Used With
ML6421B; ML7421B; Q5001/Modutrol IV Motor; MP953
Comments
Stem down to close AB-A
Connection Type
Flanged
Body Pattern
Three-way
Pipe Size (inch)
5 in.
Pipe Size (DN)
DN125
Fluid Temperature (C)
-7 C to +120 C
Fluid Temperature (F)
20 F to 250 F
Bonnet Size (in.)
1-7/8 in.
Maximum Differential Pressure Ratings (Close-off) (psi)
13 psi
Maximum Differential Pressure Ratings (Close-off) (kPa)
90 kPa
Capacity (Cv)
285 Cv
Capacity (Kv)
245 kvs
Valve Action
Diverting, stem down to close AB-A
Valve Type
Globe Valve
Controlled Fluid
Chilled or hot water with up to 50% Glycol. Not for use with steam or fuels.
Materials (Body)
Cast Iron ASTM A126 Class B
Materials (Seat)
Stainless Steel
Materials (Stem)
Stainless Steel
Materials (Cartridge)
Stainless Steel
Flow Characteristic
Linear (constant total)
Actuation
Must be purchased separately
Static Pressure Rating (psi)
Meets ANSI 125 Standard
Static Pressure Rating (kPa)
Meets ANSI 125 Standard
ANSI/ASME Rating
125
Stem Travel (in.)
1 1/2 in.
Stem Travel (mm)
38 mm
Bonnet Size (mm)
47.6 mm
Materials (Plug/Ball/Disc)
Stainless Steel
Materials (Packing)
Spring-loaded PTFE cone rings
Leakage
Port A seat leakage: 0.05%; Port B seat leakage 0.1%
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