Vacuum Holding System Train Toilet Railway Vacuum Toilet System

Vacuum Holding System Train Toilet Railway Vacuum Toilet System

1. Product Overview

Vacuum Holding System Train Toilet is a professional sanitary device tailored for railway transit. As a core Railway Vacuum Toilet solution, it adopts vacuum negative pressure suction to replace traditional gravity toilets. This reliable Train Toilet features steady vacuum holding, ultra-low water consumption and anti-clogging performance, fully complying with international railway safety standards. It suits high-speed trains, EMU, DMU, passenger coaches, metros and other rail vehicles.

The built-in vacuum holding structure maintains stable negative pressure in the waste tank for fast, residue-free waste discharge. Featuring a simple electro-mechanical modular design, the system offers high durability, low failure rate and easy installation and maintenance, ideal for modern railway vehicle matching.

 2. Working Principle

The system operates in a simple, reliable cycle to deliver consistent flushing performance:

Vacuum Holding: Stable vacuum is generated and retained in the waste tank after each flush, ready for standby operation.

Bowl Rinsing: Flush trigger activates efficient bowl rinsing with minimal water usage.

Waste Discharge: Vacuum negative pressure quickly discharges all waste into the sealed tank without clogging or residue.

Vacuum Reconstruction: The ejector automatically restores standard tank vacuum after flushing for continuous cyclic use.

 3. Core Advantages

• Stable Vacuum Holding: Sustained tank vacuum ensures strong, consistent suction, avoiding weak flushing and adapting to long-duration vehicle operation.
• Ultra-low Water Usage: Only 0.3–0.5L per flush, reducing vehicle water load and extending refilling and sewage cleaning cycles.
• Anti-clog & Odor-free: High-speed vacuum suction achieves full cleaning with no residual dirt, solving common clogging and odor issues of traditional toilets.
• Railway-grade Safety: Manufactured with fire-resistant, corrosion-resistant materials, fully compliant with EN 45545, UIC 563 and other mainstream railway standards.
• High Reliability & Low Maintenance: Optimized modular structure with fewer vulnerable parts, low noise and low failure rate to cut long-term maintenance costs.
• Strong Compatibility: Customizable voltage and dimensions to fit various rail vehicles, supporting easy installation and system upgrade.

 4. Technical Specifications

Item	Technical Parameter
Product Name	Railway Vacuum Toilet / Vacuum Holding System Train Toilet
Working Voltage	24V DC (±30%) / Customizable
Working Power	2.2W (Standby) / 18W (Max Operating)
Vacuum Working Pressure	-0.25 ~ -0.4 bar
Single Flush Water Consumption	0.3–0.5L/time
Overall Dimension (No Seat)	490 × 380 × 450mm (Customizable)
Net Weight	15–17kg
Water Supply Pressure	2bar (Filter precision: 200μm max)
Interface Specification	Water inlet: Ø8mm; Waste outlet: Ø50mm; Vacuum line: Ø10mm
Duty Cycle	≥1 flush per minute (continuous stable operation)
Main Material	316L Stainless Steel + Fire-resistant Engineering Plastic
Compliance Standards	EN 45545, UIC 563, TB/T 3138, DIN 5510-2
Applicable Vehicles	High-speed Train, EMU, DMU, Railway Passenger Coach, Metro, Subway, Light Rail

 5. Application Scenarios

This railway vacuum toilet system is dedicated for all rail transit vehicles, suitable for new vehicle assembly and old equipment renovation. The modular integrated design supports batch installation and OEM/ODM customization, meeting the procurement and matching demands of global railway manufacturers and operators.