We can’t speak for all Kunkle 218s, but we can account for quite a few of them because they are in our warehouse, ready to ship. Shhhh, don’t tell the other distributors.
When your customers need a Kunkle liquid relief valve, model 218, you can be their source. That’s a hero moment for you since not all distributors stock them and the manufacturer’s lead time is running 6 to 8 weeks out.
What’s so Special About This Valve?
Generally, Kunkle’s model 218 is used in fire suppression systems and for anything that has a motor-operated fire pump to protect against dead heading. Liquid relief valves are suitable for overpressure relief, pressure regulation and protection of pumps, tanks, lines and hydraulic systems.

Features:
- Quality cast iron body and bonnet with bronze trim
- Available with optional stainless steel insert and disc
- Spring is steel with plating for corrosion protection
- High-lift, wing-guided disc offers high relieving capacity
Service:
- Pressure regulation
- UL 1478 listed
- FM approved for fire pump installations
Kunkle 218 Lead Times:
- NASVI: 1 day
- Kunkle: 6-8 weeks
