NFS-429099 REPLACEMENT VALVE STEM ASSEMBLY COMPATIBLE W/ ANSUL

Description

The NFS-429099 AFTERMARKET VALVE STEM ASSEMBLY is a replacement internal valve component designed to restore proper sealing and discharge function in stored-pressure fire extinguishers. This aftermarket unit replaces OEM part number 429099 and performs the same operational role by maintaining a pressure seal and enabling controlled agent release when the handle is actuated. It is engineered for compatibility with Ansul-style valve bodies used in dry chemical, clean agent, and wet chemical extinguisher systems.

Model/SKU: NFS-429099
Brand: National Fire Supply
Function: Internal valve stem that seals pressurized agent and opens during handle actuation to allow controlled discharge
OEM Cross Reference: Replaces Ansul OEM Part #429099
Type: AFTERMARKET replacement part (NOT OEM)
Compatibility: Designed for use with Ansul Sentry, Cleanguard, and K-GUARD stored-pressure extinguisher valve assemblies (verify before installation)
Material: Machined metal stem with elastomer sealing components
Dimensions: Approx. 1-5/8 in overall length (typical for 429099 style stems)
Additional Specs: Includes integrated sealing surface and spring-actuated design for automatic reseating after discharge
Why It Matters: Ensures proper pressure retention and reliable extinguisher discharge during operation or emergency use