Features:
1) Bonnet designs:
A) Bolted bonnet, Class 150-1500
B) Pressure seal bonnet: Class 600-2500LB
2) End connection: Butt welded and flanged
3) Standards compliance
A) Design and manufacture: ANSI B16.34, BS1873
B) Face to face (end to end): ANSI B16.10
C) Flanged connection: ANSI B16.5
D) Test and inspection: API598
E) Butt welded end: ANSI B16.25