GRACO Santoprene 1.5 Diaphragm for Husky 1590 Series - (SKU: 189426)The GRACO 189426 is a Santoprene diaphragm designed for use in Husky 1590 series air operated diaphragm pumps. It is made from Santoprene, a durable thermoplastic elastomer, and serves as a critical sealing and pumping component within the pump assembly. Key Features: Diaphragm 1. 5 (for Husky 1590 series) Santoprene (thermoplastic elastomer) Husky 1590 series air operated diaphragm pumps Exceeds 72 hour salt spray test Dirt excluding check ball

Always inspect the O-Ring for damage before installation

Test operation after installation

Flanged head for increased load distribution and secure fastening

constructed for durability and reliable performance in demanding painting and coating applications

POSIPAK is a sealing component made from UHMWPE (Ultra High Molecular Weight Polyethylene)

Check for proper inflation (if applicable) and inspect for wear regularly

The GRACO L145CP is a lower pump assembly designed for use in GRACO Xtreme series equipment

Supports proper alignment and sealing

Ensure the handle is securely attached to the cart frame

Store spare kits on hand for quick replacement during maintenance cycles

but similar fittings are typically made from durable metals such as brass or stainless steel

Inspect valve and surrounding components regularly for wear or damage