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this 1/4 inch regulator orifice must be torqued to 50-60 ft-lbs using a thin-wall hex socket to maintain a gas-tight seal and prevent seat damage
ensuring immediate shut-off if the flame fails
Conversions between HSI and DSI are not recommended without full system retrofitting
What causes a bypass flame to extinguish on this model
Corrosion Resistance: Equipped with a stainless steel spring and stick-resistant non-metallic disc for consistent performance in harsh water conditions
Trane VAL12835 Valve 318518-761 this 1/4 inch regulator orificeThe Trane VAL12835 Thermal Expansion Valve (TXV) is a critical metering component designed for high capacity 20 ton commercial refrigeration and HVAC systems. Built for precision in R 410A refrigerant applications, this balanced port valve features a 15% bleed and handles system pressures up to 660 PSI. Its primary function is to regulate the flow of liquid refrigerant into the evaporator coil, maintaining precise superheat and protecting the HVAC
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