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VGF31LD30

3-way divert Flange globe valve, linear

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Product Info
Literature

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, Modutrol™ 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 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.

Product Specifications

Dimensions (in.): 11-3/4 in. lenght x 7-1/2 in. width x 12-3/4in.H
Dimensions (mm): 298 mm lenght x 191 mm width x 322 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: ML6984/ML7984; ML6420/21A/25; ML7420/21A/25; Q5020/DCA; Q5001/Modutrol IV Motor; MP953
Comments: Stem down to close AB-A
Connection Type: Flanged
Body Pattern: Three-way
Pipe Size (inch): 3 in.
Pipe Size (DN): DN80
Fluid Temperature (C): -7 C to +120 C
Fluid Temperature (F): 20 F to 250 F
Bonnet Size (in.): 1-3/8 in.
Maximum Differential Pressure Ratings (Close-off) (psi): 34 psi
Maximum Differential Pressure Ratings (Close-off) (kPa): 234 kPa
Capacity (Cv): 120 Cv
Capacity (Kv): 103 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.): 3/4 in.
Stem Travel (mm): 20 mm
Bonnet Size (mm): 35 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%