With the introduction of water-saving sanitary ware standards, there are now clear guidelines for products that help conserve water. From faucets to bathtubs, a wide range of water-efficient options have become available in the market. But how can you choose the right sanitary ware? How do you assess its water-saving performance? Let’s explore this with our guide.
**1. Water-Saving Faucet**
**1. Main Application Technology – Air Injected Bubbler**
A key feature of water-saving faucets is the use of an air-injected bubbler. This technology allows air to mix with the water flow, creating a foamy effect that enhances the cleaning power while using less water. It not only improves efficiency but also provides a more comfortable and controlled water flow.
**2. Limited Flow Rate and Water Supply Time**
According to the latest national standard (GB/T 31436-2015), water-saving faucets must meet specific flow rate requirements. For basin, bidet, and non-contact nozzles, the flow rate should be between 2.0 and 7.5 liters per minute. Additionally, the water supply time when the faucet is turned on should be between 4 to 6 seconds. When purchasing, make sure to check these specifications.
**3. Check the Spool and Water Effect**
Water-saving faucets often use ceramic cartridges, which offer better sealing and durability. These faucets also produce a soft, mist-like spray due to the bubbler, making the water feel more pleasant and reducing splashing. This makes them both efficient and user-friendly.
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**2. Water-Saving Shower**
**1. Main Application Technology – Air Injection**
Most modern water-saving showers use air injection technology. By mixing air with water, they reduce the amount of water used while maintaining a strong and comfortable spray. This can save between 10% to 30% of water. Look for air injection holes on the shower head or handle.
**2. Water-Saving Performance Grading**
The national standard GB/T 31436-2015 classifies water-saving shower heads into three levels: Level I (best), Level II (good), and Level III (basic). Always check the rating on the product before buying.
**3. Feel the Soft and Comfortable Spray**
Due to the air injection, the water from a water-saving shower feels lighter and softer, creating a more pleasant experience. The spray is less harsh and more enjoyable than traditional showers.
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**3. Water-Saving Toilet**
**1. Main Application Technology – Pressure-Assisted Flushing**
Pressure-assisted toilets are one of the most common types of water-saving toilets. They use a pressurized system to enhance flushing power while using less water. Other methods include waterless designs and wastewater reuse, though these are less common.
**2. Water Consumption ≤ 5 Liters**
According to the new standard, water-saving toilets must use no more than 5 liters per flush. Some models even use as little as 4 liters. This standard was officially implemented on December 1, 2015, giving water-saving toilets a clear “identity certificate.â€
**3. Check the Flushing Clarity and Water Exchange Rate**
A good water-saving toilet should clean effectively without compromising comfort. To test, place 100 floating resin balls in the toilet bowl. After one flush, the fewer balls remaining, the better the performance. A qualified toilet should leave no more than 15 balls behind.
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**4. Water-Saving Bathtub**
**1. Main Application Technology – Adjustable Volume**
Water-saving bathtubs are designed with specific shapes to reduce water usage. Unlike traditional rectangular bathtubs, water-saving models often have a pyramid shape, with a wider top and narrower bottom. This design helps save about 20% of water compared to regular bathtubs.
**2. Inclined Angle of 110° ± 25°**
The rear wall of the bathtub is typically inclined at 110°, and the front wall at 120°. This angle helps optimize water distribution and improve efficiency.
**3. Check the Circulating Water and Volume**
These bathtubs are generally smaller in size, with a length of 1.2m to 1.7m and a height of 0.5m to 0.7m. Their compact design makes them easier to stand in, especially for the elderly and children.
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**Tags:** Bathroom Accessories, Sanitary Ware, Bathrooms, Home Improvement
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