Through Conduit Double Expanding Gate Valve - E50D

Cast Steel Type

This type is designed and produced for pipelines. It should be preferred for On-Off services. Emergency Shutdown, Line Break and Remote Control types provide sound operation of the line.

They are manufactured with a full bore section equals to pipeline cross section. Opening without decreasing the differential pressure is not recommended.

Disc is designed as two-pieces and may be tightened in both open and closed position. It is possible to use these type with fixed rings.

Application Area

Natural Gas Pipeline
Crude Oil Pipeline
LPG Storage
Fuel Storage
Crude Oil Storage
FSRU
Water Works
Petrochemical Plant

Functions

ESDV - LBV - SOV - BDV - SDV - MOV - MAN - Process Valve Systems

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Vastas Figure E50D

Type
Through Conduit Double Expanding Gate Valve

NPS
4"-36"

DN
100-900

Class
150-1500#

Gate Valves - E50D Technical Drawing - Vastas

Features

Bolted Bonnet (BB)
Outside Screwed & Yoke (OSY)
Rising Stem (RS)
Double Block & Bleed (DBB)
Anti Static Device (ASD)
Fire Safe Design (FSD)
Above Ground (AG) & Under Ground (UG)
Full Bore(FB)
Drain & Vent Connection
Injection Sealant (optional)

Standards

» Design API 6D, ISO 10434, ASME B16.34
» Face to Face size ASME B16.10
» End Type ASME B16.5 & B16.47 RF/ RTJ (Series A, Optional Series B), ASME B16.25 BW
» NACE MR0175, MR0103 (optional)
» Fire safe valve design, according to API 6FA and ISO 10497 standards.
» Test Standard API 598

Operators

» Manual Operated (Handwheel or Gearbox)
» Motor Operated (Rotork, Auma or others)
» Pneumatic Actuators
» Hydraulic Actuators