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The GRACO DB4311 is a stainless steel air-operated double diaphragm (AODD) pump with PTFE diaphragms
The GRACO 121433 is a high-pressure bushing fitting designed to connect or adapt fluid lines within GRACO equipment
Used in spray foam and polyurethane application equipment
Regularly inspect the ceramic ball for wear and replace as needed to maintain equipment performance
GRACO Quick Connect Coupling, 1/8" NPT Male x 1/8" Flow - (SKU: 80503) The GRACO DB4311 is aThe GRACO 80503 is a quick connect coupling designed for fluid transfer applications. It features a 1 8" NPT male thread and a 1 8" flow connection, typically used to join hoses or tubing in lubrication and fluid handling systems. The material is not specified, but GRACO couplings are commonly made from durable metals or engineered plastics for reliability in industrial environments. Key Features: Quick Connect Coupling 1 8" NPT Male x 1 8" Flow
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