Plastic Steel Pressure Tank 4.5 Gallon (14 liter)

The BG-SP55 Water Storage Tank is a premium-grade, pressurized RO tank designed to store clean, purified water efficiently and safely. Ideal for residential and small commercial reverse osmosis systems, this tank ensures a steady supply of water on demand—delivered with reliable pressure and consistent quality.

Product Overview

The BG-SP55 is a pressurized water storage tank that works in tandem with reverse osmosis systems to hold filtered water until it's needed. Using a sealed air chamber and internal bladder, it delivers water instantly to your faucet or appliance while keeping it fresh and contaminant-free.

Key Features

• High Storage Capacity
  With a total capacity of approximately 4.5 gallons (14 liters), the BG-SP55 holds more purified water than standard RO tanks—making it perfect for homes, offices, or light commercial use.
• Durable, Food-Grade Construction
  Made from Plastic coated corrosion-resistant steel with a food-grade butyl rubber bladder, this tank ensures that your stored water remains clean, odor-free, and safe to drink.
• Pre-Pressurized for Easy Installation
  The BG-SP55 comes pre-charged with air pressure for a hassle-free setup. Simply connect it to your RO system using standard 1/4" or 3/8" tubing.
• Consistent Water Pressure
  Thanks to its air-charged design, this tank delivers consistent flow and pressure to your RO faucet—even when your RO system is not actively filtering water.
• Leak-Proof and Maintenance-Free
  The internal bladder keeps water separate from the air chamber, eliminating waterlogging and reducing maintenance needs.

Specifications

• Model: BG-SP55

• Total Capacity: ~4.5 gallons (14 liters)

• Working Pressure: Up to 100 psi

• Connection Size: 1/4" NPT

• Material: Plastic coated Steel tank body, food-grade internal bladder

• Orientation: Vertical with stand; horizontal options available

Applications

• Under-sink reverse osmosis water systems

• Drinking water dispensers and faucets

• Coffee machines and ice makers

• Office or small business RO systems

• Anywhere clean, pressurized water is needed