Product Description

HYDAC 353621 Hydraulic Accumulator Seal Kit

Ensure the optimal performance, safety, and longevity of your hydraulic systems with the genuine HYDAC 353621 Hydraulic Accumulator Seal Kit. Specifically engineered for the SB330 and SB400 series bladder accumulators, this premium NBR (Nitrile Butadiene Rubber) replacement kit is fully compatible with accumulator volumes ranging from 10 to 50 liters. Manufactured to strict OEM standards by HYDAC, this comprehensive service kit provides a reliable sealing solution to prevent fluid leaks and maintain critical system pressure.

This complete repair kit (Part No. 353621) includes all essential components required for a standard seal replacement: precision-molded NBR O-rings, a durable chamber ring, a 1/4″ screw plug, and a robust support ring. Utilizing authentic HYDAC replacement parts for routine maintenance guarantees precise fitment, minimizes unexpected downtime, and extends the operational lifespan of your hydraulic infrastructure in demanding industrial environments.

Technical Specifications:

  • Brand: HYDAC

  • Model/Part Number: 353621

  • Seal Material: NBR (Nitrile Butadiene Rubber)

  • Compatible Accumulator Series: SB330 / SB400 Bladder Accumulators

  • Compatible Volume Range: 10 to 50 Liters

  • Included Components: 1x O-Ring (7.5×2, PN: 626488), 1x Chamber Ring (10-50, PN: 237820), 1x O-Ring (80×5, PN: 613041), 1x Screw Plug (1/4″, PN: 3080737), 1x Support Ring (330-10-50, PN: 238848), 1x O-Ring (48×3.15, PN: 6236652)

HYDAC 353621 Hydraulic Accumulator Seal Kit Description

HYDAC 353621 Hydraulic Accumulator Seal Kit

Genuine HYDAC 353621 NBR seal kit designed for SB330 and SB400 series hydraulic bladder accumulators (10-50L capacity). This complete OEM repair kit includes high-quality O-rings, a chamber ring, a support ring, and a screw plug to ensure reliable leak prevention and restore peak hydraulic system performance.