Browning 1VP25X1/2 Sheave 320788-703 What does 'OLOY' signify for

What does 'OLOY' signify for this element

the metallurgy and internal gasket materials are rated for commercial HVAC refrigerant types and their associated synthetic oils

the 1012244 collector box ensures a precision seal against the inducer housing and heat exchanger assembly

Maintaining the crankcase temperature is vital for system reliability in cold climates

Factory Calibrated: Precise -

Browning 1VP25X1/2 Sheave 320788-703 What does 'OLOY' signify forThe Browning 1VP25X1 2 Sheave is a rugged, cast iron variable pitch sheave engineered for fractional horsepower (FHP) applications, supporting systems up to 25 HP. This single groove sheave features a 2. 50" outside diameter and a 1 2" fixed bore, designed specifically for use with 3L v belts. With an adjustable pitch range of 1. 6" to 2. 4", this component allows for precise fan speed adjustment and mechanical fine tuning of air handling units. Its