LFF114-3

Rate-of-Flow Control Valve with Hydraulic Check

Series LFF114-3, LFF1114-3 Rate of Flow Control Valve with Hydraulic Check Feature is designed to automatically limit flow rate to a constant, adjustable, maximum, and close drip-tight when downstream pressure becomes greater than upstream pressure. The throttling action of the valve is controlled by an externally mounted modulating control pilot, which senses differential pressure across a remote mounted orifice plate (field installed). The Orifice Plate is factory calibrated based upon minimum, maximum, and continuous flow rate requirements.

Features

Automatically limits flow rate to a constant adjustable maximum
Flow control throttling action is controlled by an externally mounted Flow Control pilot
Orifice Plate is factory calibrated based to meet requirements
Body and cover are constructed of strong and durable ductile iron (ASTM A536)

Literature

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Approval/Certification Information

For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:

ASSE	CSA	FM Approvals	NSF
UL	ULC	USC	WQA