Key Features

The FSB series, tested and conform to the API 607 4^th or 5^th edition standard, is available in full port and standard port. Threaded, socket weld and butt weld end connection are offered as standard, and custom connections are offered upon request.

The FSB series features live-loaded stem seals, redundant body seal and stem seal, investment cast stainless steel bodies and carbon steel bodies.

An integrally cast actuator mounting pad complied with ISO 5211 standard.

Features  :  
Applications for Hydraulic, Chemical, Steam, Oil/ Gas, Oxygen, Vacuum.
Extremely R ed 3-Piece Design Withstand Extremes In Piping Enclose Bolt Design, Stress And Thermal Shock.
Direct-mounting of actuator to valves, low cost and easy automation.
Integral twin pattern ISO 5211 mounting pad for double & spring return actuator. 
Self-adjusting stem packing assembly with Belleville spring for temperature fluctuations, vibration, and is secured.
Thrust washer prevents galling, reduces torque and provides secondary stem seal.
Long cycle life, Low uniform torques.
Bottom Entry Blow-Out Proof Stem design Provides Maximum Safety.
Wide range of seat & seal materials is available.
Thread & Socket-Weld Overall Length to DIN 3202 M3
Investment cast body construction.
EN 10204-3.1 Certificate is Available.

Safety/Quality Approvals  :  
Female pipe Threaded to NPT, DIN 259/2999, BS21..
Inspection & testing according to API 598.
API 607 4th Edition Fire-Safe Test approved.
PED 97/23/EC; ISO 9001.