VAC-CENT Services has introduced the Vectra Series of liquid ring pumps and compressors to South Africa.
Manufactured by GD Nash, features of the Vectra range include low operating speeds, lobe purges and one moving part, low maintenance costs, with external mechanical seals and bearings and greater efficiency thanks to a variable conical port design and patented gas scavenging
According to the company, its compact design and single point connections requires less floor space and no manifolds reducing installation costs. It’s available in ductile iron or stainless steel.20
“The Vectra, which is a single Cone Liquid Ring Vacuum Pump, makes maintaining the pump an absolute pleasure,” the company said in a statement,
“Reliability, efficiency and flexibility, coupled with the comprehensive Vac-Cent Services expertise, service and technical support, provide you with unmatched value in liquid ring pumps and compressors. The Vectra XL ranges from the XL 35- XL 950.”
The stuffing box sealing arrangement on the Vectra units are normally gland packed, however are available with single or double mechanical seals. It is specifically designed for the higher pressures and performance found in many process applications, including vapor recovery, flare gas recovery, corrosive gas recovery (e.g. VCM and chlorine) and hydrogen compression.
Some of the claimed benefits include:
- Single, conical port design
- Fully supported rotor/shaft assembly
- Single pressure boundary sealing point
- Bolted head/body joint
- API-681 compliance
- 316 stainless steel construction
- Longer bearing life
- Horizontal, self-draining inlet/discharge nozzles