Rancho Factory 878X Zero Differential Bronze Solenoid Valves w/FKM Seal, Threaded

Heavy-Duty Direct Lift Valves for Petroleum & Gravity-Feed Service

The Rancho Factory 878X Series delivers robust high-flow fluid control in environments where traditional diaphragm valves fail to perform. These heavy-duty, normally closed solenoid valves have a direct-lift piston design that requires zero differential pressure to operate, making them ideal for anti-siphon control on above-ground storage tanks and low-pressure gravity-fed systems. Made from industrial-strength cast bronze with high-performance FKM (Viton) seats, the 878X is engineered to handle demanding petroleum derivatives including gasoline, diesel, jet fuel, and bio-fuels at fluid temperatures up to 300°F. For maximum safety and reliability in hazardous industrial applications, these valves feature an explosion-proof housing that meets UL, CSA, and ATEX directives.

Key performance features include:

• Integrated Pressure Relief: Helps absorb thermal expansion within the fuel supply or transfer lines.
• Superior Flow Capacity: The piston assembly provides a significantly higher Cv (from 7 to 91) compared to standard diaphragm alternatives.
• Suitable for Data Center Liquid Cooling:
Zero differential operation allows for operation at zero PSI to suit low-pressure cooling loops. It also features built-in pressure relief to manage thermal expansion and high flow rates with a piston-style design.
• Extreme Environment Ready: Rated for a minimum ambient temperature of -42°F and capable of handling fluid temperatures up to 300°F, accommodating the high-heat demands of modern high-density server racks.
• Versatile Sizing: Available in female NPT threaded connections from 3/4" up to 3" to match your specific piping requirements.

Features

• Zero Differential-Direct Lift
• Pressure Relief Built in the Valve
• Industrial Grade Piston with Viton Seats
• Heavy Duty Cast Bronze
• Higher Flow than Diaphragm Valves
• Longer service life than Diaphragm Valves
• Explosion Proof Housing meet UL, CSA and ATEX
• Minimum Ambient Temperature -42°F
• Female Threaded NPT Connections

Specifications

• Pipe Size: 3/4 in., 1 in., 1 1/2 in., 2 in. or 3 in.
• Orifice size: 3/4 in., 1 in., 1 1/2 in., 2 in. or 3 in.
• 120 V
• Flow Factor: 3/4 in. =7 Cv, 1 in.= 12Cv, 1-1/2 in. = 19 Cv, 2 in. = 27 Cv and 3 in. = 91 Cv
• Operating Pressure Differential 0 PSI Min & 100 PSI Max.
• 300 ° F Max Fluid temperature
• Watt Rating/ Insulation: 3/4 in.= 30/H AC & 48/H DC, 1 in. = 30/H AC & 48/H DC, 1-1/2 in. = 30/H AC & 48/H DC, 2 in.= 30/H AC & 48/H DC, and 3 in.= 48/H AC
• 18" Flying Lead
• Lifetime Warranty

Downloads

Product Manual (PDF Download)

Instructions (PDF Download)