Garlock 4NBGZ 4″ 150# NBG Bolt Gasket Set with Zinc Hardware

Description

Garlock 4NBGZ — 4″ 150# NBG Bolt Gasket Set with Zinc Hardware

The Garlock 4NBGZ is a complete bolt gasket set engineered for 4-inch, Class 150 (150#) flanged pipe connections. Featuring a non-asbestos blue gasket (NBG) and zinc-plated hardware, this set delivers dependable sealing performance in a wide range of HVAC, hydronic, and industrial piping applications.

Product Highlights

• Designed for 4″ Class 150 (150#) flanged connections
• Non-asbestos blue gasket (NBG) material for safe, compliant sealing
• Zinc-plated bolt hardware for corrosion resistance
• Complete set includes gasket and all required bolts and nuts
• Suitable for HVAC, hydronic heating, and general piping systems
• Trusted Garlock quality for long-lasting flange integrity

Application

The 4NBGZ is ideal for use in mechanical rooms, boiler plants, chilled water systems, and other piping installations requiring a reliable, code-compliant flange seal at 150# pressure ratings. The non-asbestos construction meets modern safety and environmental standards, while the zinc hardware resists corrosion in demanding environments.

Specifications

• Brand: Garlock
• SKU: 4NBGZ
• Pipe Size: 4 Inch
• Flange Class: 150# (Class 150)
• Gasket Material: Non-Asbestos Blue Gasket (NBG)
• Hardware Finish: Zinc-Plated
• Set Includes: Gasket, bolts, and nuts