PRESSURE RELIEF MODEL 108FC and 108FCA

Manufacture: INGESCO
Product code: 108FC and 108FCA

Fire Pump Relief Valve, An automatic, pilot controlled, pressure relief valve actuated by the pipeline pressure. The valve modulates to maintain a steady, predetermined pressure in the network. Should the upstream pressure exceed the required set point, the valve opens, releasing the excessive pressure. When the pressure falls below the set value, the valve closes drip tight.

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Consulting hotline: 0944934114
Product information

FEATURES & BENEFITS

Limits maximum pump discharge pressure

Opens quickly; maintains pressure within close limits

Adjustable: 60psi – 180psi (4.1 – 12.4 bar) or 100psi – 300psi (6.9 – 20.7 bar)

Pilot operated main valve

Simple field adjustable pressure setting, requiring no special tools or system down time

Factory tested & preset to requirements

UL listed & Factory Mutual Approved for both split case centrifugal & vertical turbine pumps

Wide range of materials available

Applicable for water, seawater & foam

CERTIFICATION & COMPLIANCE

PRESSURE RELIEF MODEL 108FC and 108FCA

• ANSI FCI 70-2 Class VI seat leakage class

• UL listed under QXZQ category

• Factory Mutual Approved

• ABS type approval

TYPICAL APPLICATIONS

Pump & Water Tanks

Fire Suppression Systems

Petrochemical, Oil & Gas Installations

Tunnels

Power Generation, Transformer & Transmission Plants

Onshore / Offshore

Mining

OPERATION

The normally closed, spring loaded pilot, sensing pump discharge pressure, opens when pressure exceeds the spring setting, allowing the main valve to open. As the pump pressure increases the pilot controls the main valve to open further. Pressure is maintained at the controlled set point over a wide range of flows regardless of back pressure in the downstream piping. The valve closes gradually as pressures decrease below the set point.

The Model 108FC consists of the following components, arranged as shown on the schematic diagram:

[1] Model 65 Basic Control Valve (angle pattern shown), a hydraulically operated, diaphragm actuated, globe or angle valve which closes with an elastomer-on-metal seal.

[2] Model 1330FC Pressure Relief Pilot, a 2-way, normally closed pilot valve which senses upstream pressure under its diaphragm and balances it against an adjustable spring load. An increase in upstream pressure tends to make the pilot open.

[3] Model 126 Ejector, a “tee” fitting with a fixed orifice in its inlet port. It provides the proper pressure to the diaphragm chamber of the main valve, depending on the position of the pressure relief pilot.

[4] Model 141-1 Check Valve, prevents the valve opening under a vacuum condition that may occur with a vertical turbine pump.

[5] Model 159 Y-Strainer, protects the pilot system solid contaminants in the line fluid.

[6] Pressure Gauge

[7] Model 155 Visual Indicator, (optional) provides indication of the valve’s position at a glance.

PRESSURE RELIEF MODEL 108FC and 108FCA

TYPICAL MATERIALS

PRESSURE RELIEF MODEL 108FC and 108FCA

PRESSURE RELIEF MODEL 108FC and 108FCA

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