Royal SMOOTH 137 is a new sensor flush valve launched by Sloan Company. It has the characteristics of low noise, surface-mounted, diaphragm structure, etc., and is suitable for rear-fed squatting toilets. The product adopts PERMEX™ synthetic rubber diaphragm, battery-powered OPTIMA® SMOOTH™ infrared sensor and other materials and technologies, and has the characteristics of saving water, anti-destruction, and no need for external additional adjustment.
This manual describes the Sloan Royal SMOOTH 137 flush valve, a battery‑powered, infrared‑sensor valve designed for rear‑entry water supply. It outlines the product’s low‑noise membrane design, dual‑filter system, and compliance with US ADA, ASTM, ASSE 1037 and CJAT standards.
Key information includes operating pressure, selectable flush volumes, battery configuration, LED indicators, and adjustable installation components. The document also notes that the valve can be paired with compatible toilet models and provides contact details for further assistance. This manual is written in Chinese.
| Operating pressure | 25‑80 Psi (172‑552 kPa) |
|---|---|
| Flush volume options | 6.0 L, 9.0 L, 13 L |
| Power source | 4 high‑performance alkaline batteries (pre‑installed) |
| LED indicator | Weak‑current LED status light |
| ADA compliance | Meets US ADA specifications |
| Other standards | Meets ASSE 1037 and CJAT 194‑2004 |
The valve operates between 25 Psi and 80 Psi (172 kPa to 552 kPa).
It offers three selectable flush volumes: 6.0 L, 9.0 L, and 13 L.
The valve is battery‑driven, using four high‑performance alkaline cells that are pre‑installed at the factory.