Description
The Browning 1VP34X3/4 is a single-groove, variable-pitch sheave engineered for reliable power transmission in HVAC and industrial drive applications. Constructed from durable cast iron, this sheave delivers long service life and consistent performance under demanding operating conditions.
Key Specifications
- Outside Diameter: 3.15″
- Bore Size: 3/4″ Fixed Bore
- Number of Grooves: Single Groove
- Variable Pitch Range: 1.7 – 3.3
- Construction: Cast Iron
- Series: VP (Variable Pitch)
Compatible Belt Types
- 3L – Light-duty fractional horsepower V-belt
- 4L – Standard fractional horsepower V-belt
- A / AX – Classical and cogged A-section V-belt
- 5L – Heavy fractional horsepower V-belt
- B / BX – Classical and cogged B-section V-belt
Features & Benefits
- Variable pitch design allows on-the-fly speed ratio adjustments without changing belts or sheaves
- Cast iron construction provides superior strength, wear resistance, and dimensional stability
- Fixed 3/4″ bore for straightforward installation on standard motor and fan shafts
- Wide belt compatibility makes this sheave ideal for HVAC blower drives, fan systems, and general industrial applications
- Browning quality manufacturing ensures precise balance and extended service intervals
Applications
The Browning 1VP34X3/4 sheave is well-suited for use in HVAC air handling units, commercial blower assemblies, exhaust fan drives, and other belt-driven power transmission systems where adjustable speed ratios are required.







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