3 Piece Double Block&bleed Ball Valve

3 Piece Double Block&bleed Ball Valve boasts a unique double-structure design, comprising three separate valve body components. Specifically, the valve body is constructed from two spheres, each independently managing a fluid channel. This innovative design not only enhances the valve's flexibility and reliability but also allows it to excel in scenarios requiring simultaneous control of two fluid channels. Additionally, the valve is equipped with a drain function, capable of releasing pipeline pressure when necessary, thereby ensuring the safe and smooth operation of the entire system.

VALVE DESIGN

API 6D, API 6A, ASME B16.34, ISO 14313, ISO 10423, ISO 17292

TEMPERATURE RANGE

-58 to 392°F (-50 to 200°C)

SIZE

NPS 1-12 (DN 25-300)

PRESSURE RATING

ASME 150 - ASME 2500

FACE-TO-FACE

As per API 6D standard

END CONNECTIONS

RF, RTJ as per B16.5 &B16.47
BW, Butt Welded as per B16.25
SW, Socket Welded as per B16.11

MATERIALS

Low Temperature and Low Alloy Carbon Steel

Stainless steel, Duplex and Super Duplex

Nickel alloys, Titanium

BODY DESIGN

Forged and casting bolted three-piece

SEAT DESIGN

Soft or metal seated with Hard facing on ball and seats
Double piston seats
Combination seats

MAIN APPLICATIONS

•Offshore oil & gas production
•Gas & oil terminals
•Chemical & Petrochemical
•Refining
•Fiscal Metering Skid Manufacturing
•LNG gas carrier
•Process/ Power industr y contractors

ADVANTAGES

•Space and weight saving
•Cost saving (product & installation)
•Minimized leak paths
•Increased line structural integrity
•ESDV+MOV or ESDV+XV configurations
•Increasesd reliability of the system

CHARACTERISTICS

•Anti blow out/low emission stems
•Fire safe & anti-static design
•Independent ball and stem
•Self aligning trims
•Self relieving/ Double piston effect
floating seats
•Soft or metal seated

OPERATOR

Manual: wrench or Gear with padlocking
Actuated: Pneumatic/ Hydraulic/Electric

TESTING & CERTIFICATIONS

Compliance with API 6D & ISO 5208 & API 598 inspection and testing
Fire safe and fire tested as per API 607
SIL 3 Certification as per IEC61508
Fugitive Emission as per ISO15848
PED 2014/68/UE

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