Graco 15B729 Coupling

Graco 15B729 Coupling – High‑Pressure Adapter

The Graco 15B729 Coupling is a robust, OEM-grade fluid adapter engineered for plural‑component and high‑pressure spray systems. Designed to maintain integrity under extreme operating conditions, it provides a reliable seal and connection between mixing tubes and manifolds.

Technical Specifications

Features & Benefits

• High‑pressure rating - Supports up to 7,250 psi fluid pressure, ensuring safe operation in plural‑component systems.
• Secure connection - The 3/8 NPSM × 3/8 NPT configuration provides a tight, leak‑resistant seal.
• Durable construction - Crafted from stainless steel and engineered for long-lasting performance under aggressive fluid conditions.
• OEM compatibility - Designed specifically for Graco plural‑component mixers and manifolds, ensuring proper fit and performance.
• Corrosion-resistant materials - Wetted parts are built with corrosion-resistant metals and PTFE to handle a variety of coating materials.

Applications & Usage

The 15B729 coupling is commonly used in Graco’s high-pressure plural-component systems, especially for mixing tubes, inlets, and manifolds. It ensures a strong, leak-free interface in systems that handle abrasive or reactive coating materials. It is typically found in:

• Graco XM series plural‑component sprayers
• Mixing manifold assemblies
• High-pressure fluid supply lines in two‑component (2K) systems
• Service and repair kits for Graco mixing equipment