Product

DC SERIES
DC Series control valve is designed to control the flow rate of liquids such as LNG, Oxygen, Nitrogen at cryogenic temperatures (-196℃) according to the characteristic curve.
These valves are extremely durable and can be used to special applications.

GENERAL SPEC.

Actuator Type Diaphragm Actuator Cylinder Actuator
Valve Body Type & Style Single seated globe body with cage guided throttling trim
Pressure Rating ASME 125 ~ 2500 (JIS 5 ~ 63K)
Valve Size 1" ~ 16" (25A ~ 400A)
Body & Bonnet Material ASTM A351 CF8M or CF3M (SCS14 or SCS16)
Packing Material Laminated Graphite
Flow Coefficient (Rated Cv) 3.8 to 980
Flow Characteristics Equal Percentage, Linear, Parabolic
Leakage Class ANSI Class Ⅳ, Ⅴ, Ⅵ
Rangeability 30 : 1 ~ 50 : 1
Actuator Size 35 in2, 55 in2, 85 in2, 135 in2, 180 in2 ∅280, ∅420, ∅520
Actuator Action Direct (Air to Close) / Reverse (Air to Open)
*Double acting is available in cylinder actuator type.
Spring Range 3 ~ 15 psi (0.2 ~ 1.0 kg/cm2)
6 ~ 30 psi (0.4 ~ 2.0 kg/cm2)
25 ~ 50 psi (1.7 ~ 3.4 kg/cm2)