Design features
Norminal size:1/2" through 8" full port
Pressure Class: ASME 150-600
Basic Design: API 608
Face to face dimension: ASME B16.10
Standard materials such as: carbon low alloy,
stainless steel Special alloys, exotic metals and
trims(Hastelloy, Inconel, Monel, Duplex, etc)

Conditions Requiring Severe service Solution
High temperature and large thermal transients
Cryogenic operations
Abrasive media, catalyst, coking, fines, etc.
Ultra high pressure or vacuum
High cycling than 10000 times per year
Severe Corrosion
Rapid and emergency shutdown
Lethal materials, category "M"

Option
High pressure valve and seat design.
Purge ports
Extended bonnet and stem
Safet lock-out
Fugitive emissions control
Arcitron ball opening shape to minimize seat erosion