390 Series
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390 Series

A high pressure, severe service control valve used in various demanding applications.

  • 1 to 8x6 inch NPS (25 to 200x150mm DN)
  • Globe and Angle Body Styles
  • RF |  RTJ  |  BWE  Available End Connections
  • ASME B16.34 Class 900 & 1500 Pressure Rating
  • ANSI/FCI 70.2 and IEC 60534-4 Class II to V Shutoff
More Details

390 Series control valves are heavy-duty globe style valves used in a variety of demanding applications, including oil and gas, chemical/ petro-chemical, power generation, water distribution and/or treatment, and general industries.  

Overview

390 Series

MODELDESCRIPTIONPLUG TYPESIZESSHUTOFF CLASS





390High Pressure
General Purpose
Balanced
 Cage Guided
1 to 8 Inch NPS 
(25 to 200 mm DN)
IV / V / VI





391High Pressure
High Temperature
Balanced
Cage Guided
2 to 6 Inch NPS
(50 to 150 mm DN)
II / III / IV





392Low Flow
High Pressure
Unbalanced
Top Guided
1 and 2 Inch NPS
(25 and 50 mm DN)
IV / V





Sizes

1", 1½", 2", 3", 4", 6", and 8"

ASME Ratings as per B16.34

150 / 300 / 600

End Connection Style

Raised Face (RF),

Ring Type Joint (RTJ),

NPT (FNPT) (1" - 2")

Available Body Styles

Globe, Angle

Characteristics

Equal Percent, Linear, Quick Opening, Low-Noise, Anti-Cavitation

Available Shut-off Class

II, III, IV

  • Reduced Port, Anti-Cavitation and Low-Noise Trim Available

  • Metal Seating Standard

  • Live Loaded Packing Available

  • NACE Options Available

  • Other Material Options Available

Product Specifications

390 Available ConfigurationsOpen arrow
AVAILABLE CONFIGURATIONS
BODY SIZE END CONNECTION
RF AND RTJ (FLANGE CONNECTION) BWE
ASME CLASS 900/1500 ASME CLASS 900 ASME CLASS 1500
GLOBE 2" NPS (50mm DN) ü û û ü
3" NPS (80mm DN) û ü ü ü
4" NPS (100mm DN)
6" NPS (150mm DN)
ANGLE 2" NPS (50mm DN) ü û û ü
3" NPS (80mm DN) û û ü ü
4" NPS (100mm DN)
6" NPS (150mm DN)
390 Available Shutoff ClassificationsOpen arrow
AVAILABLE SHUTOFF CLASSIFICATION
VALVE TRIM SEAL OPTION PORT DIAMETER SHUTOFF CLASS
ALL SPRING-LOADED SEAL 1-7/8" TO 5-3/8" (47.6 mm TO 136.5 mm) STANDARD CLASS V - UP TO 450°F (232°C)
OPTIONAL CLASS IV
SPRING-LOADED SEAL WITH PEEK ANTI-EXTRUSION RINGS 1-7/8" TO 5-3/8" (47.6 mm TO 136.5 mm) STANDARD CLASS V - UP TO 450°F (232°C)
OPTIONAL CLASS IV
NOTES: In accordance with ANSI/FCI 70.2 and IEC 60534-4
390 Standard Body MaterialsOpen arrow
  • LCC
  • WCC
  • CF8M
  • WC9
390 Available Flow CharacteristicsOpen arrow
CHARACTERISTIC PREFERRED FLOW DIRECTION
EQUAL PERCENTAGE (STANDARD) FLOW DOWN
MODIFIED EQUAL PERCENTAGE FLOW DOWN
LINEAR FLOW DOWN
LOW-NOISE III (LINEAR) FLOW UP 
ANTI-CAVITATION 1-STAGE (LINEAR) FLOW DOWN
ANTI-CAVITATION 2-STAGE (LINEAR) FLOW DOWN
391 Available ConfigurationsOpen arrow
AVAILABLE CONFIGURATIONS
BODY SIZE END CONNECTION
RF AND RTJ (FLANGE CONNECTION) BWE
ASME CLASS 900/1500 ASME CLASS 900 ASME CLASS 1500
GLOBE 2" NPS (50mm DN) ü û û ü
3" NPS (80mm DN) û ü ü ü
4" NPS (100mm DN)
6" NPS (150mm DN)
ANGLE 2" NPS (50mm DN) ü û û ü
3" NPS (80mm DN) û û ü ü
4" NPS (100mm DN)
6" NPS (150mm DN)
391 Available Shutoff ClassificationsOpen arrow
AVAILABLE SHUTOFF CLASSIFICATION
VALVE TRIM SEAL OPTION PORT DIAMETER SHUTOFF CLASS
ALL DOUBLE PISTON RINGS 1-7/8" (47.6 mm) ONLY CLASS II
2-7/8" TO 3-3/58" (73.0 mm TO 92.1 mm) STANDARD CLASS II
OPTIONAL CLASS III
DOUBLE PISTON RINGS 4-3/8" (111.1 mm) AND LARGER STANDARD CLASS III
TRIPLE PISTON RINGS 4-3/8" (111.1 mm) AND LARGER OPTIONAL CLASS IV
NOTES: In accordance with ANSI/FCI 70.2 and IEC 60534-4
391 Standard Body MaterialsOpen arrow
  • LCC
  • WCC
  • CF8M
  • WC9
391 Available Flow CharacteristicsOpen arrow
CHARACTERISTIC PREFERRED FLOW DIRECTION
EQUAL PERCENTAGE (STANDARD) FLOW DOWN
MODIFIED EQUAL PERCENTAGE FLOW DOWN
LINEAR FLOW DOWN
LOW-NOISE III (LINEAR) FLOW UP 
ANTI-CAVITATION 1-STAGE (LINEAR) FLOW DOWN
ANTI-CAVITATION 2-STAGE (LINEAR) FLOW DOWN
392 Available ConfigurationsOpen arrow
AVAILABLE CONFIGURATIONS
BODY SIZE END CONNECTION
RF AND RTJ (FLANGE CONNECTION) BWE SWE
ASME CLASS 900/1500
GLOBE 1" NPS (25mm DN) ü ü ü
2" NPS (50mm DN) ü ü ü
ANGLE 1" NPS (25mm DN) ü ü ü
2" NPS (50mm DN) ü ü ü
392 Available Shutoff ClassificationsOpen arrow
AVAILABLE SHUTOFF CLASSIFICATION
VALVE TRIM CHARACTERISTIC PORT DIAMETER SHUTOFF CLASS
ALL EQUAL PERCENTAGE / MODIFIED EQUAL PERCENTAGE / LINEAR / DYNA-FLUTE / DYNA-FORM / LOW-NOISE III ALL STANDARD CLASS IV
OPTIONAL CLASS V
ANTI-CAVITATION ALL STANDARD CLASS V
NOTES: In accordance with ANSI/FCI 70.2 and IEC 60534-4
392 Standard Body MaterialsOpen arrow
  • LCC
  • WCC
  • CF8M
  • WC9
392 Available Flow CharacteristicsOpen arrow
CHARACTERISTIC PREFERRED FLOW DIRECTION
EQUAL PERCENTAGE (STANDARD) NORMALLY FLOW UP 
MODIFIED EQUAL PERCENTAGE NORMALLY FLOW UP 
LINEAR NORMALLY FLOW UP 
DYNA-FORM FLOW UP ONLY
LOW-NOISE III (LINEAR) FLOW UP 
ANTI-CAVITATION 1-STAGE (LINEAR) FLOW DOWN
ANTI-CAVITATION 2-STAGE (LINEAR) FLOW DOWN

390 Series Control Valve Documentation

390 & 391 Sales Bulletin
Brochures, Dynaflo, DynaFlo, Sliding Stem Valves
392 Sales Bulletin
Brochures, Dynaflo, DynaFlo, Sliding Stem Valves
390 391 392 Instruction Manual
Brochures, Dynaflo, DynaFlo, Sliding Stem Valves
Refer to our FloSpec software for product selection, sizing and ordering

Refer to our FloSpec software for product selection, sizing and ordering

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