Control Valve
VIV, which prioritizes quality, safety and technology management, provides Total Engineering Solution by applying proven technology based on international technical standards and performing its tasks in a systematic way.
control valve
Control Valve with Cylinder(Piston) Actuator


Major Technologies
- Application of 3D Multi-stage Trim developed newly for optimized control of high differential pressure.
- Equipped with Q-class actuator for nuclear safety grade valve
- Innovative manufacturing process and high economy
- Optimized structural design of valve trim and actuator
- Improved durability of valve trim and actuator
- Extended service life time of control valve for high differential pressure service
- Cost competitiveness through reduction of manufacturing cost
- Technology self reliance of control valve for high differential pressure service
- Certified in accordance with ISO 9001 to secure quality and observation thereto
- 3D Multi-stage Trim control valve certificated as a ‘NEP’(New Excellence Product) by Ministry of Knowledge and Economy(MKE)
Control Valve with Diaphragm Actuator


Major Technologies
- Application of 3D Multi-stage Trim developed newly for optimized control of high differential pressure.
- Equipped with Q-class actuator for nuclear safety grade valve
- Innovative manufacturing process and high economy
- Optimized structural design of valve trim and actuator
- Improved durability of valve trim and actuator
- Extended service life time of control valve for high differential pressure service
- Cost competitiveness through reduction of manufacturing cost
- Technology self reliance of control valve for high differential pressure service
- Certified in accordance with ISO 9001 to secure quality and observation thereto
- 3D Multi-stage Trim control valve certificated as a ‘NEP’(New Excellence Product) by Ministry of Knowledge and Economy(MKE)
Dimensions



Materials


Actuators
Diaphragm Actuator


Application
- Control valve and diaphragm actuator for pressure reducing
Distinguished Characteristics
- Highly reliable and durable with precise response characteristic Designed and verified in accordance with nuclear specification (J232A)
Cylinder(Piston) Actuator


Application
- Control Valve with Cylinder(piston) Actuator
Distinguished Characteristics
- Highly reliable and durable with precise response characteristic Safety proven by equipment qualification(seismic and environmental test) and performance qualification test (control capability, leakage and durability test) in accordance with applicable nuclear safety class requirements(J232B)
VIV ORDERING TABLE
(eg. VIV0634-GL2231PC)

FLOW COEFFICIENTS-RATED Cv
Ⅰ. ANSI 150~600 Class

Ⅱ. ANSI 900~2500 Class
