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 Areas
Natural Gas Pipeline
Crude Oil Pipeline
LPG Storage
Fuel Storage
Crude Oil Storage
FSRU
Water Works
Petrochemical Plant
Hydrogen
Functions
ESDV - LBV - SOV - BDV - SDV - MOV - MAN - Process Valve Systems
Vastas Figure E50D
Type
Through Conduit Double Expanding Gate Valve
NPS
4"-36"
DN
100-900
Class
150-1500#
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) & Underground (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