Stable & Durable SB330 Accumulator | 4L 10L | 330 Bar | CE Certified | SB330-4A1/112A9

Stable & Durable SB330 Series Bladder Accumulators (4L – 10L)

Product Overview:

The SB330 series is the reliable backbone for high-frequency energy storage, pulsation dampening, and emergency protection in the industrial hydraulic systems of 2026. As a high-performance Casing-type bladder accumulator, this range adheres to the rigorous $330 \text{ bar}$ high-pressure standard. This page features the core $4\text{L}$ and $10\text{L}$ specifications, including CE-certified models to ensure production safety and regulatory compliance worldwide.

Core Model Specifications:

• SB330-4A1/112A9-330A:

  • Volume: $4\text{L}$.

  • Feature: Equipped with the 112A9 reinforced synthetic rubber bladder, offering extreme fatigue resistance for high-frequency reciprocating applications.

• SB330-4A1/112U-330A:

  • Volume: $4\text{L}$.

  • Feature: Features the 112U universal NBR bladder, delivering excellent oil resistance and cost-efficiency.

• SB330-10A1/112A-330A-CE:

  • Volume: $10\text{L}$.

  • Safety Standard: CE Certified.

  • Specs: Designed specifically for European markets and export machinery, complying with PED 2014/68/EU pressure vessel codes for maximum safety.

Key Technical Advantages:

• High-Strength Steel Shell: Forged from premium seamless steel tubing and compliant with 2026 international safety standards, capable of enduring continuous pressure shocks up to $330 \text{ bar}$.

• Life-cycle Stability: Optimized bladder designs ensure ultra-low gas permeability even in extreme industrial environments ranging from $-15^\circ\text{C}$ up to $+80^\circ\text{C}$.

• Dampening & Efficiency: The low-inertia bladder instantly responds to fluctuations, significantly reducing pump noise and storing energy during unloading phases to boost machine efficiency.

• Standardized A1 Interface: Universal threaded port ensures $100\%$ physical interchangeability with mainstream global hydraulic systems, simplifying maintenance cycles.

Detailed Technical Specifications:

• Nominal Volumes: $4 \text{ L} / 10 \text{ L}$.

• Max Working Pressure ($P_{max}$): $330 \text{ bar}$ ($33 \text{ MPa}$).

• Certifications: CE / PED compliance.

• Bladder Material Codes: 112A9 (Premium), 112U (Standard), 112A (General).