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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
  • Equal percentage and linear flow characteristics
  • Face-to-face flange dimensions per ANSI/ISA S75.03 standard
  • Sizes from 2-1/2 to 6 in.
  • Stainless steel trim standard for long life span
  • ANSI Class III or IV seat leakage
  • Steam inlet pressure up to 125 psig and 353 F maximum temperature
  • 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.
  • Not suitable for combustible gasses.

Product Specifications

Dimensions (in.)
17-3/4 in. lenght x 11 in. width x 12-3/8 in. height
Dimensions (mm)
451 mm lenght x 279 mm width x 314 mm height
Maximum Safe Operating Pressure (psi)
175 psig
Maximum Safe Operating Pressure (kPa)
1206 kPa
Used With
ML6421B; ML7421B; Q5001/Modutrol IV Motor; MP953
Comments
Direct acting
Connection Type
Flanged
Body Pattern
Two-way
Pipe Size (inch)
6 in.
Pipe Size (DN)
DN150
Fluid Temperature (C)
-7 C to +120 C, steam 180 C
Fluid Temperature (F)
20 F to 250 F, steam 353 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)
370 Cv
Capacity (Kv)
318 kvs
Valve Action
Stem down to close
Valve Type
Globe Valve
Controlled Fluid
Chilled or hot water with up to 50% Glycol or Steam. Not for use with fuels.
Materials (Body)
Cast Iron ASTM A126 Class B
Materials (Seat)
Stainless Steel
Materials (Stem)
Stainless Steel
Materials (Cartridge)
Stainless Steel
Flow Characteristic
Linear
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
0.05% of Cv
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