Best Rimless Wall Hung Toilet Factory
Best Rimless Wall Hung Toilet Factory
Rimless wall hung toilets eliminate the traditional inner rim, reducing hidden surfaces where bacteria and scale can accumulate. This design simplifies cleaning and improves hygiene in commercial restrooms.
Wall mounting conceals the cistern within the wall or a concealed frame, freeing floor space and facilitating floor‑cleaning routines. The combination of rimless bowl and wall‑hung installation addresses two key concerns for facility managers: maintenance efficiency and space utilization.
Design and Engineering Features
The bowl geometry is computed using CFD analysis to ensure a strong siphonic flush while maintaining a low water consumption of 4.5 L per flush. The absence of a rim eliminates turbulence traps, allowing water to sweep the entire interior surface uniformly.
Mounting brackets are fabricated from stainless steel grade 304, rated for a static load of 150 kg, and incorporate adjustable depth compensation to accommodate wall thicknesses from 100 mm to 200 mm.
- Hidden trapway with glazed interior surface reduces clogging risk.
- Soft‑close seat mechanism uses damping hinges rated for 30,000 cycles.
- Optional anti‑microbial glaze additive provides 99.9% inhibition of common bathroom bacteria after 24 h exposure.
Material Selection and Manufacturing Process
Vitreous china body is formed using high‑pressure casting molds with a feldspar‑silica‑kaolin ratio optimized for a flexural strength exceeding 30 MPa. The glaze is applied via spray‑coating and fired at 1240 °C to achieve a surface hardness of 6 Mohs.
Stainless steel brackets undergo CNC machining to tolerance ±0.2 mm, followed passivation in nitric acid bath to enhance corrosion resistance. All plastic components (seat hinges, flush actuators) are produced from POM‑C with a coefficient of friction below 0.2.
Assembly line incorporates automated torque‑controlled fastening stations ensuring each bracket bolt is tightened to 25 Nm ±2 Nm, verified by inline torque sensors.
Quality Control and Testing
Each finished unit undergoes a hydrostatic pressure test at 0.6 MPa for 5 minutes to verify seal integrity of the tank and connections.
Flush performance is measured using a standardized test rig: flow rate, flush volume, and bowl clearance are recorded; acceptance criteria require a minimum flush velocity of 1.2 m/s and complete removal of a 75 g test load in a single flush.
Surface durability is assessed via abrasion testing per ISO 10545‑7, with a target wear rating of Class 4 or better after 5000 cycles.
- Dimensional inspection: CMM verification of critical features (±0.5 mm tolerance).
- Glaze adhesion: cross‑hatch test per ASTM D3359, minimum rating 4B.
- Load test: seat and lid subjected to 150 kg static load for 10 minutes without deformation.
Applications and Benefits
Rimless wall hung toilets are specified in high‑traffic environments such as airports, hospitals, and office towers where cleaning frequency and infection control are critical.
The concealed cistern reduces visual clutter and permits flexible interior design, allowing architects to integrate toilet units into partition walls or behind decorative panels.
- Reduced cleaning labor: smooth interior eliminates hard‑to‑reach zones.
- Water savings: dual‑flush option averages 3.0 L for liquid waste and 4.5 L for solid waste.
- Improved accessibility: adjustable height mounting accommodates ADA‑compliant seat heights from 450 mm to 500 mm.
Technical Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Bowl Flush Volume (Full) | 4.5 | L |
| Bowl Flush Volume (Reduced) | 3.0 | L |
| Water Inlet Pressure | 0.1–0.5 | MPa |
| Maximum Static Load (Bracket) | 150 | kg |
| Seat Hinge Cycle Life | 30,000 | cycles |
| Glaze Hardness | 6 | Mohs |
| Adjustable Mounting Depth | 100–200 | mm |
Frequently Asked Questions
Yes. The vitreous china mold can be altered to adjust length, width, and height within ±15 mm of standard sizes, subject to tooling feasibility review.
Project specifications including required flush volume, wall thickness, seat type, any special glaze or antimicrobial additive, and quantity.
Standard brackets are 304 stainless steel; 316 grade is offered for corrosive environments such as coastal facilities.
Each unit passes hydrostatic, flush performance, dimensional, and visual inspections as outlined in our QC protocol; inspection reports are available upon request.
Toilet bowls are placed in double‑wall corrugated cartons with corner protectors; brackets and seats are packed separately in foam‑lined boxes to prevent impact damage.



