1. Product Enfored Standard:
Design & manufacture std. :ISO4126, API RP520, JIS 8210, DIN 3320
Face to face std. : API 526, JIS B2001, DIN 3202
End connection std. : ANSI B16. 5, JIS B 2212-2216, DIN 2546-2551
Test standard: API 527

2. Major Parameter:
Size: 1/2-12
Pressure: 150LB-2500LB
Material: A216WCB, A217WC6, A217WC9, A351CF8, A351CF8M, A351CF3, A351CF3M, A352 LCB, A352LCC