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Toyo Valve 10L1-N-U Butterfly Valve | Reliable Flow Control for Industrial Systems
- Luis Alberto Fing
- Nov 7
- 2 min read
Welcome to Nichiboku's industrial Blog
Introduction
The Toyo Valve 10L1-N-U Butterfly Valve embodies the precision and durability that define Japanese industrial engineering. Designed for compact installation and smooth operation, this lever-operated wafer-type valve ensures dependable flow control in diverse industrial applications such as water treatment, HVAC, and process systems.
Key Specifications: Toyo Valve 10L1-N-U Butterfly Valve
Item | Specification |
Type | Lever operated, Wafer type |
Applicable Standards | JIS B2032 46 Series (End connection: JIS 5K, 10K) |
Body Material | Ductile Iron (A536 Gr. 65-45-12) |
Stem Material | Stainless Steel (A276 Type 410) |
Seat Material | NBR Rubber |
Size Range | 2”–6” (50–150 mm) |
Operating Temperature | 0°C to 70°C |
Test Pressure (MPa) | Body: 1.75 (50–150 mm), Seat: 1.08 (50–150 mm) |
Design Standard | Manufacturer Standard |
End to End Standard | JIS B2032 46 Series |
Connection Type | Wafer Type (JIS 5K/10K) |
Dimensional Data
Size (inch/mm) | L (mm) | L1 (mm) | H (mm) | D1 (mm) | Weight (kg) |
2 (50) | 43.0 | 0.0 | 191.0 | 180.0 | 0.00 |
2½ (65) | 46.0 | 0.0 | 199.0 | 180.0 | 0.00 |
3 (80) | 46.0 | 0.0 | 217.0 | 180.0 | 0.00 |
4 (100) | 52.0 | 0.0 | 227.0 | 180.0 | 0.00 |
5 (125) | 56.0 | 0.0 | 265.0 | 230.0 | 0.00 |
6 (150) | 56.0 | 0.0 | 277.0 | 230.0 | 0.00 |
Material List
Name of Part | Material | Specification |
Body | Ductile Iron | A536 Gr. 65-45-12 |
Stem | Stainless Steel | A276 Type 410 |
Seat Rubber | NBR | – |
Performance and Quality
Each Toyo 10L1-N-U valve undergoes rigorous pressure and performance testing under manufacturer standards. Its ductile iron body ensures high mechanical strength, while the stainless-steel stem resists corrosion and deformation. The NBR seat guarantees a tight seal, maintaining performance even under fluctuating pressure and temperature conditions.
Applications
Water treatment facilities
General plant pipelines
HVAC systems
Industrial process lines
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