ANSI Standard Threaded End Safety Valve (A28Y) (A28Y)
SAFETY VALVE General specification:
Manufacture standard accord to ASME SEC VIII API std 526 API RP 520; Flange standard accord to ANSI B16.5.
YOY Model Type: YFA41C, A42C, A44C, A47C, A48C
Open /Closed bonnet, non-lever, lifting lever, full ... - Update: 2012-05-24