Full lift safety valve:
Design standard: ISO 4146, API RP 520, JIS 8210, DIN 332O
Face to face: API 526, JIS B2001, DIN 3202
Pressure: 150LB-----600LB
Size: NPS 1/2"-------20"
Flange standard: ANSI B16. 5a, JIS B 2212-2216, DIN 2546-2551
Test pressure: API 527