Flowserve to Launch New SIHI KPHX Liquid Ring Compressor
Capable of pressures up to 12 bar, the KPHX also features low noise levels and reduced vibration running. Locating the bearings and mechanical seals outside the pump enables the pump to operate with higher reliability while reducing the need for maintenance.
"This modern compressor design meets customer requirements for a safer, more efficient liquid ring compressor that reduces the need for service and maintenance," said Erich Mohrdieck, Vice President, Sales CPI/GI, Flowserve. "Since the bearings and mechanical seals are arranged outside the pump, they can easily be replaced without having to dismantle the complete compressor. Special heavy-duty cranes or tools are not required, and pipework can usually remain connected to the unit."
The KPHX design has two impellers and uses three-stage compression. The first impeller is divided into two single-flow chambers enabling the impeller cell volume to adjust to the required compression ratio. The vanes are curved for optimum energy transfer and have been designed with an increased hub diameter to withstand maximum bending loads and inherent frequencies. Any axial loads are absorbed by oil-lubricated bearings. The bearing clearance is reduced to a minimum to prevent shafts bending under any operating conditions.
A double-shaft seal design, combined with the method of compression, offers the user maximum safety when compressing explosive mixtures as well as toxic and environmentally hazardous media. Any fluids within the gas flow can also be handled easily by a liquid ring unit.
The compressor is available in materials typically required in more demanding operating environments. The compressors comply with NACE Standard MR 0103 and ANSI/NACE MR0175/ISO 15156 on request, making them suitable for use with acid gases. The compressors also meet API 681 requirements.
Source: Flowserve Corporation