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Actuated Butterfly Valve
Selection Guide

About Gate Valves

Gate valves are a common valve type used for basic on/off service. Manual Gate Valves are operated with a simple hand wheel that causes the stem and gate to rise. When closed, the gate seats against a seat ring, both of which have a special treatment to provide reliable shut-off.

gate valve construction diagram

Series Body Material
Trim Material
Gasket Material
Conn. Type
Size Range
Max.
Pressure
Max.
Temp.
EWG
Body & Bonnet: Carbon Steel (A216 WCB)
Gate & Seat: API Trim 8
Body Gasket: Graphite / SS
150# ANSI Flange
2" to 36"
300#, 600#, 900#, 1500# also availablw
285 PSIG
1000°F
DSI-WG Body & Bonnet: Carbon Steel (A216 WCB)
Gate & Seat: API Trim 8
Body Gasket: Graphite / SS
150# ANSI Flange
2" to 36"
300#, 600#, 900#, 1500# also availablw
285 PSIG 1000°F
EWG Series

Economy Wedge Gate Valves

Applications
  • Water and Wastewater
  • General On/Off service for liquids and gasses
  • Applications that DO NOT require manufacturers to be on an approved manufacturer list

Specifications

Materials

  • Body & Bonnet: Carbon Steel (A216 WCB)
  • Seat Ring and Gate Facing: Cr13

End Connections

  • ANSI RF 150# Flange: 2" to 36"
  • other ANSI classes available

Temperature and Pressure

  • Max. Tempurature: 1000°F
  • Max. Pressure:
    150#: 285 PSIG
  • see Pressure/Temperature curve
INFO
BUY
DSI-WG Series

Wedge Gate Valves

Applications
  • Petroleum refining
  • Chemical processing
  • Power generation
  • Applications that require manufacturers to be on an approved manufacturer list (AML)

Key Features
  • Low Emission: < 100 ppm
  • Stem straightness and roundness
  • Stem surface finish to max. 32 Ra
  • Stuffing box surface finish to max. 125 Ra
  • Stuffing box and gland cylindricity
  • Self centering gland design
  • Gland packing: Die-formed graphite rings with braided graphite top and bottom rings
  • Corrugated SS and graphite bonnet gaskets

Specifications

Materials

  • Body & Bonnet: Carbon Steel (A216 WCB)
  • Seat Ring: RPTFE

End Connections

  • ANSI RF 150# Flange: 2" to 36"
  • other ANSI classes available

Temperature and Pressure

  • Max. Tempurature: 1000°F
  • Max. Pressure:
    150#: 285 PSIG
  • see Pressure/Temperature curve
INFO
BUY
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Please contact us to verify any information that is critical to your application.