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

WXH Radially Split,
Multistage, High Pressure,
Ring Section

WDX and WD Radially
Split, Multistage,
Ring Section

NM Radially Split,
Multistage, Ring Section

Standards
• Flowserve
Operating Parameters
• Flows to 1160 m3/h (5100 gpm)
• Heads to 2750 m (9000 ft)
• Pressures to 310 bar (4500 psi)
• Temperatures to 200°C (400°F)
Features
• Cast suction and discharge heads
with integral nozzles
• Single or double suction first stage
impeller designs
• Investment cast diffusers and return
channel hydraulic passages
• Compression type interstage O-ring
• Separate, high strength sub-base
• Replaceable stationary wear parts
mounted in the diffusers
• Standard flanged balance drum with
serrated running clearances
– Optional straight balance drum
• Seal chamber accepts single, double
and tandem mechanical seals
• Large diameter shaft with staggered
impeller and balancing device keyways
• No pre-warming required
• Chrome steel nozzles
• Choice of bearings
Other Configurations
• WXL heavy-duty, radially split, high
pressure, ring section pump
• WXM heavy-duty, radially split, high
pressure, ring section pump
See Bulletin PS-30-1

Standards
• Flowserve
Operating Parameters
• Flows to 190 m3/h (800 gpm)
• Heads to 700 m (2300 ft)
• Pressures to 75 bar (1090 psi)
• Temperatures to 210°C (410°F)
Features
• Multivane diffusers
• Identical radially-split ring
section sets
• O-ring interstage sealing
arrangement
• Deep-groove ball bearing design
• Angular contact, double row
thrust bearing
• 360° machine registered bearing
housing fits
• Dynamically balanced, precision
machined enclosed impellers
• Packing or mechanical sealing
• Options
– Multiple flange orientations
– End suction design with product
lubricated sleeve bearing
– Radial suction design with product
lubricated sleeve bearing
– Inducer

Standards
• Flowserve
Operating Parameters
• 850 m3/h (3740 gpm)
• 700 m (2300 ft)
• Discharge pressures to 60 bar
(870 psi)
• Temperatures to 140°C (285°F)
Features
• Modular design
– 10 sizes
– 12 hydraulics
• Radial thrust balanced by diffusers
• Two to 12 stages, depending on
model and operating speed
• Cast iron EN-GJL 250 pressure
casings, with EN-GJS 400-15 optional
• Cast iron EN-GJL 250 impellers
and diffusers
• Steel grade C 35 E or stainless steel
X30Cr13 shaft, depending on size
and model
• Stainless steel X30Cr13 sleeves
• Packing gland or mechanical sealing
Other Configurations
• NM-V vertical model with supported
motor stand
• NM-Y vertical model with Cardan
transmission and upper level motor
mounting
• NM-S vertical wet pit suspended shaft