Description
Product Overview
Our SPB2 series cast iron v belt pulley is a professional 2-groove double flat transmission component, strictly manufactured in accordance with Chinese national standards (GB/T 13575.1). Covering 110mm to 200mm pitch diameters, it is widely used in various industrial power transmission systems, with stable performance and long service life.
Core Specifications
- Model: SPB2 (Double Flat, National Standard)
- Groove Quantity: 2 grooves
- Pitch Diameter: 110mm / 120mm / 130mm / 140mm / 150mm / 160mm / 170mm / 180mm / 190mm / 200mm
- Material: High-quality Gray Cast Iron (HT250)
- Standard: National Standard (GB/T 13575.1), interchangeable with international SPB series standards
- Application: Electric motors, fans, water pumps, conveyors, mining equipment, agricultural machinery
Product Advantages
✅ Double Flat Design: Perfectly matches SPB section V-belts, reduces belt wear, improves transmission efficiency (up to 95%)
✅ National Standard Quality: Strictly produced according to national standards, 100% dimensional inspection, stable and reliable
✅ Superior Durability: HT250 cast iron material, strong load-bearing capacity, corrosion and wear resistant, suitable for harsh industrial environments
✅ Full Size Range: 10 optional sizes (110-200mm) to meet different equipment power matching needs
✅ Customizable Service: Support custom bore size, keyway, taper lock bushing and surface treatment (black painting/galvanizing)
Pourquoi Nous Choisir
As a professional manufacturer with 10+ years of experience in power transmission parts, we strictly control each production process. All SPB2 pulleys undergo 100% quality inspection before shipment, with material certificate provided. We offer competitive factory price, fast delivery (15-30 days) and OEM/ODM service. Contact us for a free quote!