Prayag Rubber Product

🟥 Compact DAS Seal – Overview

A Compact DAS Seal (also called DAS Compact Seal or DAS Piston Seal) is a double-acting piston seal designed for use in hydraulic cylinders. It’s a compact, integrated seal that combines multiple sealing and guiding elements in one unit. DAS seals are commonly used in heavy-duty, high-pressure hydraulic systems.

🔧 Description

• Structure:

  • Center sealing element: Usually made of NBR (Nitrile Rubber) or PU (Polyurethane)

  • Two back-up rings: Typically made from thermoplastic materials (e.g., POM) to prevent extrusion

  • Two guide rings: Located on the outer sides, made from filled thermoplastics or fabric-reinforced materials to guide the piston and absorb side loads

• Seal Type: Double-acting piston seal with integrated back-up and guide rings

• Installation: Fits in closed grooves, making it a space-saving solution

🧪 Technical Specifications ✅ Advantages

• Compact design – ideal for cylinders with limited installation space

• All-in-one sealing system – includes sealing, back-up, and guiding

• Prevents extrusion and side-load damage

• Smooth motion and long service life

• Handles high pressure and variable loads

🛠️ Applications

• Hydraulic cylinders in mobile and industrial machinery

• Construction equipment

• Agricultural machinery

• Steel mill hydraulics

• Injection molding machines

🆚 Compact DAS Seal vs. Conventional Piston Seal Set

Would you like a technical drawing, part number examples, or a list of standard groove dimensions for Compact DAS Seals?

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