Features:
1.Standards
1)Design and manufaceture: API 6D API 608, ANSI B16.34 or BS 5351
2)Face to Face dimensions: ANSI B16.10
3)End flange dimensions: ANSI B16.5
4)Test: API 6D or API 598

2.Type of connection
1)RF and RTJ flange ends to ANSI B16.5 standard.
2)BW flange ends to ANSI B16.25 standard.

3.Type of operation
1)Lever, Worm Gear actuator, Electric actuator,
2)Pneumatic actuator to ISO 5211 standard.
3)Anti-static constructions "AS" and Fine-resistant constructions "FD".