Kunkle Iron Relief Valves for Liquid Service
Model #91, 218, 228

Features:

• Quality cast iron body and bonnet with bronze trim (insert and disc)
• 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:

• Over pressure relief and protection of pumps, tanks, lines and hydraulic systems
• Pressure regulation
• Fire Pump Service, UL and FM approved

Specifications:

• Sizes: 1-1/2 thru 6 inch
• Pressure Limits: 400 PSIG – 300°F