Ingenieria Grupo Empresarial Actual S.A. De C.V.

VPC Cryogenic (VS6)
Vertical, Double Casing,
Multistage

WUC-LNG Cryogenic (VS6)
Vertical, Double Casing,
Multistage

VKW and TKW Cryogenic
Liquid Expander (VS6)
Double Casing, Multistage,
Electric Generator

Standards
• API 610 (VS6), latest edition
• ASME Sections VIII and IX
Operating Parameters
• Flows to suit site requirements
• Heads to suit site requirements
• Discharge pressures to 148 bar
(2160 psi)
• Temperatures from -200°C (-325°F)
to -45°C (-50°F)
Features
• Designed for use in a cold box
• Nozzle head with integral
warming chamber
• Metal backed PTFE coated bearings
• Close clearance for high efficiency
• LOX and LIN compatible materials
conforming to industry standards
• High pressure breakdown bushing
• Stand pipe bellows
• Optional below grade suction flange
• Sealing options
– Dual wet seals
– Dry gas seals
– Gas injection labyrinth seal
• Reinforced motor stand

Standards
• API 610 (VS6), latest edition
• ASME Sections VIII and IX
• German Pressure Vessel
Association (AD)
• British Standard BS 5500
• Compliance with Pressure Equipment
Directive 97/23/EC
Operating Parameters
• Flows to 3000 m3/h (13 000 gpm)
• Heads to 2000 m (6500 ft)
• Pressures to 200 bar (3000 psi)
• Temperatures from -200°C (-325°F)
to -45°C (-50°F)
Features
• Coffer dam system
• Radial or mixed flow hydraulics
• Low suction velocity can design
• Optional axial thrust tilting pad
bearing configuration
• Stiff shaft design
• API 682 compliant mechanical
seal chamber
• Flanged spacer type coupling
• Screen-type, non-sparking
coupling guard
• Inside drain line
• Casing and impeller wear rings
• Reinforced motor stand
• Optional inducer
Other Configurations
• WUC (VS6) double casing, multistage
See Bulletin PSS-40-9.1

Standards
• API 610 (VS6), latest edition
• ASME Sections VIII and IX
• Shell DEP
• NEMA MG1, latest edition
• Hazardous area classification (EExe)
to the site country
Operating Parameters
• Expander flows to 1800 m3/h
(7900 gpm)
• Inlet pressures to 65 bar (940 psi)
• Temperatures to -170°C (-275°F)
• Power to 1750 kW (2350 hp)
• Runaway speed to 8300 rpm
Features
• Variable (TKW) or fixed (VKW)
geometry
• Externally driven remote and local
controlled variable wickets
• Optimal isentropic efficiency
• Overall improvement of compressor
power efficiency
• Air cooled generator
• Temperature reduction through
liquid expansion
• Additional electric generation
• Low vibration
• Low noise level
• State-of-the-art gas seal
• Optimum specific speed selection
See Bulletin PSS-50-3.1