Edwards STOKES 6 inch Mechanical Booster Pump

Edwards STOKES 6" Mechanical Booster Pumps

Models: STOKES 607, 615, 622 | Manufacturer: Edwards

The Edwards STOKES 6" Mechanical Booster Pump Series is designed for robust and reliable operation across industrial vacuum processes. Available in configurations ranging from 607 through 622, with process isolation and bypass options, plus bare-shaft or direct-drive arrangements, operating speeds from 1,800 to 3,600 rpm, and vertical or horizontal gas flow options.

Quick Reference

Models Available

STOKES 607, 615, 622

Max Displacement @ 3600 rpm

Up to 6,630 m³/h

Operating Speed

1,800 to 3,600 rpm

Max Pressure Differential

Up to 506 mbar (380 torr)

Inlet/Outlet

6" or 8" ASA/ANSI

Gas Flow Orientation

Vertical or Horizontal

Configurations

Bare-Shaft / Direct-Drive / PIB / BP

Recommended Oil

V Lube H

Product Specifications

Specification	STOKES 607	STOKES 615	STOKES 622
Displacement @ 1800 rpm	1,040 m³/h	2,210 m³/h	N/A
Displacement @ 2750 rpm	1,589 m³/h	3,375 m³/h	5,100 m³/h
Displacement @ 3000 rpm	1,733 m³/h	3,685 m³/h	5,525 m³/h
Displacement @ 3600 rpm	2,080 m³/h	4,420 m³/h	6,630 m³/h
Inlet / Outlet Connection	6 inch ASA/ANSI	8 inch ASA/ANSI	8 inch ASA/ANSI
Max Pressure Differential	506 mbar / 380 torr	506 mbar / 380 torr	333 mbar / 250 torr
Max Temperature Rise	135°C / 275°F	135°C / 275°F	121°C / 250°F
Max Discharge Temp	191°C / 375°F	191°C / 375°F	177°C / 350°F
Bare-Shaft Weight	215 kg / 475 lb	234 kg / 515 lb	335 kg / 740 lb
Oil Capacity (Horizontal)	1.9 L / 0.51 gal	1.9 L / 0.51 gal	1.9 L / 0.51 gal

The STOKES 6" series also includes PIB and bypass configurations depending on the model.

STOKES 6" Design and Features

Rugged design for robust and reliable operation

Large-diameter shafts support increased lifetime and reliability

Ring feeder keyless gear locking system

Dynamically balanced impellers

Five mechanical seal variants for protection against dust and particles

Bare-shaft or direct-drive configurations

Operating speeds from 1,800 to 3,600 rpm

Vertical or horizontal gas flow orientation

Bypass versions available

Process Isolation (PIB) versions available

Horizontal-flow oil capacity of 1.9 L / 0.51 gal

Vertical-flow oil capacity of 4.1 L / 1.1 gal

V Lube H recommended oil

Applications

Automotive

Chemical Processing

Heat Treatment

Leak Detection

Metallurgy

PET Processing

Pharmaceuticals

Thermal Processing

Transformer Drying and Cable Fluid Conditioning

Vacuum Coating

Vacuum Melting

STOKES 6" Configuration Options

The STOKES 6" range includes 607, 615, and 622 models, with selected configurations available with Process Isolation (PIB) and By-pass (BP) options. The product range also includes vertical and horizontal gas flow versions, bare-shaft configurations, and direct-drive arrangements.

Model	Available Configurations
607	607, 607 PIB
615	615, 615 PIB, 615 BP, 615 BP PIB
622	622, 622 Process Isolation

Get STOKES 6" Booster Pump Support

Looking for a STOKES 6" configuration for your vacuum system? ACFM, the official Edwards industrial vacuum pump supplier in Houston, can provide product information and help with availability and configuration requirements.