- Sizes: 10”, 12” and 14”
- Directly interchanges with old spool type prefill valves.
- Higher flow rates than other spool type valves.
- Faster response than the old-style spool type prefill valves.
- Less internal travel from full open to full close.
- Standard NFPA-style cylinder for actuation that is standard on all three sizes.
- Visual indication of prefill shifting.
- Electrical indication of prefill open/close optional.