Basic standard:

API 6D, ASME B16.34, BS5351, API 608, MSS SP-72

Flange connection dimesion:

ASME B16.5

Butt welding connection dimension:

ASME B16.25

Face-to-face dimension:

MTD

Pressure-Temperature rating:

ASME B16.34

Test:

API 598, API6D, BS 6755, API 607

Size:

1/2" ~ 8"

Rating:

ANSI 150lbs-300lbs

Body Materials: 

Carbon steel, Stainless steel, Duplex

Trim:  

A105+ENP, LF2+ENP, 13Cr, F304, F316

Operation: 

Handwheel, Gear, Pneumatic operator