NIBCO NLH801H WD-3510 Series 4 In. 250 Psi Ductile Iron Wafer Butterfly Valve Gear Operator Switch

Product Description

The NIBCO NLH801H is a ductile iron wafer butterfly valve designed for fire protection applications. This valve operates effectively under 250 psi working pressure. Its unique features include a molded-in EPDM seat liner and ductile iron disc, which contribute to a bubble-tight shutoff. The internal geometric drive design eliminates the need for pins or bolts, reducing potential leak paths. The design allows easy installation and removal from pipings, such as in automatic sprinkler systems.

• Bubble-tight shutoff at 250 psi working pressure
• Geometric drive design with no pins or bolts
• Extended neck accommodates insulation up to two inches

Product Highlights

This valve is MF Approved and Underwriters Laboratories listed, ensuring its reliability in critical fire protection systems.

Product Information

Standard Information

• Brand: NIBCO
• MPN: NLH801H

Technical Specifications

• Nominal Size: 4 in
• Body Material: Ductile Iron
• Disc Material: Ductile Iron
• Stem Material: 416 Stainless Steel
• Pressure Rating: 250 psi WWP
• Dimensions: 15.38 in L
• Seal Material: EPDM
• Actuator Type: Manual Gear Operator