- Valves meet MSS-SP67 & API 609
- Flange drilling to: ANSI B16.1 Class 125/150
- Testing to: API 598
Note: Please refer to “Numbering System” sheet to obtain detailed figure numbers.
* Caution: All 2000 series valves must be installed in the partial open position. Installing in the full closed position may damage the seat during start up and void any warranties.
Detailed Product Information (PDF)
BW & BL-1000/2000/4000/5000 numbering system
Cv Values for 1000/2000/4000/5000 Series
Seating & Unseating Torques for 1000 & 2000
Studs & Bolts for Mounting Butterfly Valves