Mechanical Boosters

Increase pumping speed and reduce pumpdown times

The Stokes 6” Mechanical Booster pumps have been a staple in the industry, known for its exceptional performance in demanding environments. Its rugged design guarantees long-lasting reliability and minimal pump downtime, making it an excellent choice for any application. In addition to its reliability, they are engineered for exceptional versatility and ease of maintenance.

Configured with bare shift or direct drive with a range of 1800-3600 rpm
Available in vertical or horizontal gas flow orientation
Bypass variants eliminate the need of pressure switches
Durable, simplified design ensures reliable performance and longer lifetime
Large diameter shafts, ring feeder keyless gear locking system and dynamically balanced impellers
Enlarged oil sightless and magnetic drain plugs facilities easy viewing of oil and prolongs life

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PRODUCT DETAILS

Features

Proven Reliability
Full Adaptability
Optimized Design
Ease of Maintenance

Proven Reliability

For over 100 years, the Stokes mechanical booster pumps have offered time-tested, proven performance with experienced service and technical support you can rely on.

Full Adaptability

You can choose between bare shaft and direct drive with a range from 1800-3600 rpm. Depending on your industrial process you can opt for the vertical or horizontal gas flow orientation. The bypass variants eliminate the need of pressure switches making it one of the most versatile and flexible range of boosters.

Optimized Design

These boosters are simple, reliable with increased lifetime. The ring feeder timeless locking elements allows for superior timing retention. The Process Isolation version comes with five mechanical seal design on the Stokes 6” provides optimal process protection from any dust and particulate contamination in your process.

Ease of Maintenance

The mechanical shaft seal leads to improved life and ease of serviceability. The larger sight glass and magnetic drain plugs facilities easy viewing of oil and prolongs life.

Download our Brochure

Stokes 6″ Mechanical Booster Pumps Brochure

Filename: Document-Stokes-Vacuum-Booster-Overview-2025.pdf
Size: 170 KB
Format: pdf

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Supported Backing Pumps

Microvac series piston pumps
GV Drystar or Chemical Drystar dry pumps
EM or ES oil sealed pumps
Two stage LR series liquid ring pumps

Applications

Automotive
Chemical processing
Heat treatment
Leak detection
Metallurgy
PET processing
Pharmaceuticals
Thermal processing
Transformer drying and cable fluid conditioning
Vacuum coating
Vacuum melting
Pharmaceuticals

Product Specifications

	NOMINAL DISPLACEMENT								MAX PRESSURE DIFFERENTIAL		NOISE LEVEL	MOTOR POWER
		1800 rpm		2750 rpm		3000 rpm		3600 rpm				50 Hz @ 3000 rpm		60 Hz @ 3600 rpm
	m³/hr	cfm	m³/hr	cfm	m³/hr	cfm	m³/hr	cfm	mbar	Torr	dB(A)	kW	Hp	kW	Hp
607	1040	612	1589	935	1733	1020	2080	1224	506	380	65	7.5	10	“3.7 15”	15 20″
607 PIB (process isolation)	n/a	n/a	1589	935	1733	1020	2080	1224	506	380	70	7.5	10	7.5	10
615	2210	1300	3375	2000	3685	2170	4420	2600	506	380	75	7.5	10	“7.5×1800 0rpm 11@ 3600rpm”	“10×1800 0rpm 15@ 3600rpm”
615 PIB (process isolation)	n/a	n/a	3375	2000	3685	2170	4420	2600	506	380	75	11	15	11	15
615 BP (Bypass)	2210	2000	3375	2000	3685	2170	4420	2600	n/a	n/a	<85	18	25	“7.5×1800 0rpm 18@ 3600rpm”	“10×1800 0rpm 25@ 3600rpm”
615 BP PIB (Bypass) Process isolation	n/a	n/a	3375	2000	3685	2170	4420	2600	n/a	n/a	<85	18	25	18	25
622	n/a	n/a	5100	3000	5525	2350	6630	3900	333	250	<82	18	25	18	25
622 (process isolation)	n/a	n/a	5100	3000	5525	2350	6630	3900	333	250	<82	18	25	18	25