The Brass Ball Valve Lever Handle (Female) is a control component used to operate the opening and closing of brass ball valves. Featuring an internal hole connection design, it works in conjunction with the valve stem to enable the rotational operation of the valve.
Technical Specification
- Nominal Pressure: 1.6 MPa
- Working Medium: Water, Oil, Steam
- Working Temperature: -20°C ≤ t ≤ 120°C
- Thread Standard: Conforms to ISO 228
Material Specifications
Made from HPb59-1 premium brass with copper content ≥59%
Tensile strength ≥380 MPa, yield strength ≥180 MPa
Copper ion antibacterial rate >99.2%, effectively inhibiting E. coli, Staphylococcus aureus, and other pathogens
Manufacturing Process
Valve body precision forged + CNC machined
Surface passivation treatment forming dense oxide protective layer
Wall thickness uniformity ≤±0.15mm, ensuring consistent strength
Corrosion Resistance
Salt spray test ≥240 hours without corrosion
Acid-alkali resistance: No significant corrosion in pH 4-10 environments
Application Environment
Operating temperature: -20℃ to 120℃
Service life in humid, acidic, and alkaline environments reaches 1.8 times the industry average
Suitable media: Water, oil, weak acid-alkali liquids
Sealing Performance
Floating ball automatic compensation design achieving bidirectional zero leakage
Shell test pressure: 25 bar (2.5 MPa)
Seat test pressure: 18 bar (1.8 MPa)
Airtightness: Leakage rate ≤10⁻⁶ mbar·L/s
Service Life
Equipped with elastic compensation ring, automatically adapting to ±50℃ temperature variations
Switching cycles ≥50,000 times without significant wear
Sealing performance retention rate >95% (10-year service cycle)
Opening and Closing Performance
The ball uses a 1/4-turn (90°) rotation structure
Opening and closing torque ≤ 2.8 N·m
Opening and closing efficiency improved by 60% compared to gate valves
Fluid Performance
Flow resistance coefficient as low as 0.04
Reduces fluid transportation energy consumption by 20%
Wear Resistance
Ball surface nitrided, hardness HRC 45-50
Pollution Prevention Design
Integrated impurity trap intercepts particles ≤ 0.3 mm
Prevents damage to sealing surfaces, reducing maintenance frequency
Product Customization
Surface Treatment: Polished / Chrome Plated / Nickel Plated / Plastic Sprayed
Handle Type: T-Type / L-Type / Butterfly / Ball
Connection Type: Square Hole / Hexagonal Hole / Octagonal Hole / Spline Hole
Size Specifications: DN15 / DN20 / DN25 / DN32 / DN40 / DN50
Color Options: Natural / Red / Blue / Black / Grey
Locking Function: With Lock Hole / Without Lock Hole
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