Parker Sporlan transcritical valves & controllers

Sporlan Division of Parker Hannifin Corporation has released a new range of Parker Sporlan valves and controllers rated 140 bar for transcritical CO2 (R-744) high-pressure systems.

The product range is designed to satisfy equipment manufacturers’ control needs in the field of CO2 transcritical systems using a high-pressure flash tank. The line features five Gas Cooler valves (GC-10, -20, -30, -40, and -50) for system capacities from 25kW to 700kW. These valves offer the flexibility to be applied in flash gas bypass applications as well. In order to extend the range of Flash Gas Bypass valves, two additional FGB valves are offered (FGB-60 and -70).

The gas cooler/flash gas bypass valves allow for fine pressure tuning in transcritical operation. The gas cooler/flash gas bypass valves can also be applied in heat reclaim applications to modulate the flow to subsequent reclaim coils. Systems will benefit from the high-resolution actuators and rapid full stroke actuation, in addition to excellent full range flow control. Synthetic seats are utilised for tight seating capability.

The PSD4 interface board can be paired with the valves, along with an optional backup power module. The remotely mounted interface is designed to accept a standard 0V–10V or 4mA–20mA analogue input. When powered through the PSS4B backup power module, each control can drive one valve closed upon loss of primary power.

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