Graco 189742 Plate Diaphragm

The Graco 189742 Plate Diaphragm ensures reliable diaphragm support and sealing in fluid pump assemblies, maintaining stable pump performance.

OEM diaphragm plate
Supports diaphragm operation
Durable and precision‑fit component
Fits diaphragm pump model assemblies

$178.43

Based on 0 reviews

Description

Graco 189742 Plate Diaphragm for Pump Fluid Sections

✔ Compatible Machines

Graco diaphragm pumps requiring this diaphragm plate

Overview

The Graco 189742 Plate Diaphragm is a precision‑manufactured support plate used with pump diaphragms to maintain correct motion and sealing of the diaphragm during pump cycles. It ensures stability and prevents premature wear of the diaphragm. :contentReference[oaicite:0]{index=0}

Key Features

Part Number	189742
Component Type	Plate diaphragm
Material	Reinforced metal/polymer
Application	Diaphragm pump assemblies

Installation & Usage Tips

Install with the diaphragm surface clean and free of debris.
Ensure correct orientation to prevent uneven diaphragm wear.
Replace when diaphragm damage or misalignment occurs.

Frequently Asked Questions

It supports the diaphragm and helps maintain stable motion and sealing.

Replace it when the diaphragm begins to wear or when performance drops.

It may be reused if undamaged, but inspection before reinstallation is recommended.

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