Description
WATTS® Pressure Relief Control Valve, Lead Free Sustaining Backpressure Globe Pattern, Series: LFF116, 4 in Nominal, 300 psi, Ductile Iron Body, Stainless Steel Trim, Buna-N, Epoxy Coated, Domestic
Features:
- Permits flow when upstream pressure is above the adjustable set point of the control pilot
- When installed "in line" on the discharge of a pump, it acts as backpressure control valve
- When installed "off the main line" on the branch of a tee, the valve serves as a pressure relief control valve
- When installed "in line" connecting two distribution zones, the valve acts as a pressure sustaining control valve
- Opens when upstream pressure is above set point
- Closes when upstream pressure is below set point
- Stainless steel valve trim material
- Buna-N elastomer valve softgoods material
Standards/Approval:
- NSF 61 Fusion Bonded
- PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
Warranty:
Limited