Watts LFF115-3 3 THD DI Lead-Free Pressure Reducing Valve, Ductile Iron, NPT

The Watts LFF115-3 3 THD DI is a 3" lead-free globe-pattern pilot-operated pressure reducing & check control valve with NPT connections. It features a ductile iron body and a epdm seat. Rated to up to 300°F. This model is certified lead-free for potable-water installations.

This 3" Watts pressure reducing and check valve, model 115-3, is designed to automatically reduce a fluctuating higher upstream pressure to a constant lower downstream pressure regardless of varying flow rates, and close drip-tight when downstream pressure becomes greater than upstream pressure. It has threaded connections.

Features

• Globe pattern
• NPT threaded
• Epoxy coated
• Copper tubing/brass fittings

Common Questions

What fluid temperature can the EPDM trim handle?

This valve is built with EPDM elastomers, good to about 300°F. Watts offers the same body with Buna-N (to 160°F), FKM/Viton (to 250°F) or EPDM (to 300°F) — pick the elastomer for your fluid temperature, not the body.

Is this valve certified lead-free for potable water?

Yes. The "LF" prefix denotes Watts lead-free construction, compliant with the weighted-average 0.25% lead requirement of the Safe Drinking Water Act (NSF/ANSI 372) for potable-water service.

Specifications

• Type: Pressure Regulator
• Size: 3"
• Inlet Size: 3"
• Outlet Size: 3"
• Connection: NPT
• Body Material: Ductile Iron
• Seat / Seal Material: EPDM
• Operation: Pilot-Operated Diaphragm
• Country of Origin: United States
• Warranty: 1 Year Limited
• MPN: LFF115-3 3 THD DI
• Temperature: up to 300°F
• Lead-Free: Yes
• Item Type: Valve
• Control Function: Pressure Reducing & Check
• Valve Platform: Classic (F-Series)
• Body Pattern: Globe
• End Connection / Pressure Class: THD (NPT Threaded)
• Coating: Fusion-Bonded Epoxy