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Precision Flow Control with Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve | Nichiboku Ltd.
- Luis Alberto Fing
- Nov 7
- 3 min read
Welcome to Nichiboku's industrial Blog
Introduction
The Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve embodies Japanese engineering excellence, combining high-quality materials with precise manufacturing standards. This model offers reliable flow control performance suitable for industrial systems such as water treatment, process piping, and general plant utilities. Built with durability and operational ease in mind, it’s ideal for applications requiring consistent and accurate flow regulation.
High-Performance Design and Technical Specifications of the Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve
The Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve is a gear-operated, wafer-type valve that features a 10K ductile iron body for superior mechanical strength and corrosion resistance. The valve’s internal components, made from stainless steel and NBR rubber, ensure excellent sealing performance and long-term operational reliability.
Detailed Technical Specifications
Body Material: Ductile Iron – ASTM A536 Gr. 65-45-12
Stem Material: Stainless Steel – A276 Type 410
Seat Material: NBR (Nitrile Butadiene Rubber)
Nominal Sizes: 2 to 12 inches (50–300 mm)
Operating Pressure: 1.0 MPa
Operating Temperature Range: 0°C to 70°C
End to End: JIS B2032 46 Series
End Connection: Wafer Type (JIS 5K, 10K)
Wall Thickness: Manufacturer Standard
Test Standard: Manufacturer Standard
Dimensions Table
Size (inch/mm) | L (mm) | L1 (mm) | H (mm) | D1 (mm) | Weight (kg) |
2 / 50 | 43.0 | 122.0 | 194.0 | 80.0 | 0.00 |
2 1/2 / 65 | 46.0 | 122.0 | 202.0 | 80.0 | 0.00 |
3 / 80 | 46.0 | 135.0 | 236.0 | 110.0 | 0.00 |
4 / 100 | 52.0 | 150.0 | 274.0 | 110.0 | 0.00 |
5 / 125 | 56.0 | 150.0 | 274.0 | 110.0 | 0.00 |
6 / 150 | 56.0 | 150.0 | 274.0 | 110.0 | 0.00 |
8 / 200 | 60.0 | 180.0 | 325.0 | 170.0 | 0.00 |
10 / 250 | 68.0 | 180.0 | 381.0 | 170.0 | 0.00 |
12 / 300 | 78.0 | 180.0 | 406.0 | 170.0 | 0.00 |
Material List
Part Name | Material | Specification |
Body | Ductile Iron | A536 Gr. 65-45-12 |
Stem | Stainless Steel | A276 Type 410 |
Seat Rubber (3) | NBR | — |
Seat Rubber (4) | NBR | — |
Engineered to Japanese Standards
Every Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve is designed and manufactured according to JIS B2032 46 Series standards. Its wafer connection type simplifies installation between flanges (JIS 5K or 10K) and reduces space requirements. The gear-operated mechanism ensures controlled opening and closing, enabling fine adjustment of flow with minimal torque.
The NBR seat rubber provides excellent resistance to water, air, and mild chemicals, maintaining a secure seal even under variable temperature and pressure conditions. Combined with the stainless steel stem, this construction ensures long service life and reduced maintenance costs.
Applications Across Industries
The Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve is widely applicable in:
Water supply and wastewater management systems
Chemical and process industries
HVAC and cooling systems
General industrial flow control applications
Its robust construction and dependable sealing performance make it suitable for both clean and slightly contaminated fluids.
Why Choose Toyo Valve
Toyo Valve is a leading Japanese manufacturer recognized for innovation, reliability, and precision in valve engineering. The Toyo Valve 562-UNSG / 10L2-N-U Butterfly Valve exemplifies Japan’s dedication to quality and industrial performance. Each valve is built to provide long-lasting durability, stable operation, and exceptional sealing performance under demanding conditions.
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