Fig no.
HSC-III 

Pressure rating
? / ? lbs
 

Size range
A - C (1 ~ 11 sizes)  

Features
Design: Straight, Angle
Service: Low-Flow, High ΔP, Cavitating Erosion protection near seat
Leakage class: IV, V
Cv range: 0.20 - 10.0
Flow characteristic: Unique
Rangeability: 200:1 (Maximum)