ISO Series - Bare Shaft Pumps - Malcolm Thompson Pumps

Casing – Standard cast iron AS1830 T260 grade. Alternative options include but are not limited to: - Austenitic iron AS1833 203 - Stainless steel AS2074/H6B - Zinc free bronze AS1565/C90250 - Duplex, Alloy 20, 27% chrome, cast steel
Mounting feet are incorporated into the casing casting.
Flanges – Dimensions are to AS2129 table E, optional drillings on request.
Pump Cover – Supplied in the same material as the casing, incorporates the mechanical seal and stuffing box.
Stuffing Box – Standard design for DIN 24960 seal bores. Cartridge type available on request.
Impeller – Standard cast iron AS1830 T260 grade. Alternative material options are as above in casing manufacture.
Wear Rings – Available as an option in standard leaded bronze. Alternative material options available on request.
O-rings – Reusable O-ring body seals in nitrial as standard and viton as an option.
Shaft – Rigid heavy duty design type stainless steel 590 Mpa UTS AS2837-431. Alternative materials are available, including type 316 or Duplex 2205.
Mechanical Seals: Single or double mechanical seals running on stainless steel shaft are available in balanced or unbalanced configuration of various types to suit particular applications. External clean water flushing and cooling can be supplied for high temperature, abrasive or toxic applications.
Packed Gland – Optional on request.
Bearings – Heavy duty deep groove ball bearings. Greasable and fitted with grease nipples. Available as sealed for life, or running in oil filled housing. Bearing housing is fitted with breather, oil level and drain plugs. Optional constant level oilers and oil cooling also available.
Bearing Housing – Cast iron, flanged to suit casing and cover, and incorporates large openings for access to stuffing box.
Bearing Covers – Cast iron and fitted with rubber “oil seals” to exclude dust and water from the bearings. Covers are held in place by high tensile hex head screws.

Suitable for pumping clean water, sea water, raw water, process water, waste water, sewage and hazardous as well as corrosive liquids.

Model Number	Suction (mm)	Discharge (mm)	Min Impeller (mm)	Max Impeller (mm)	Pump Frame Size	Pump Weight (kg)	Max Operating Speed (RPM)
STIB-50-32-160	50	32	146	182	1	42	3600
STIB-50-32-200	50	32	182	228	1	49	3600

STIB-65-50-160	65	50	146	182	1	44	3600
STIB-65-40-200	65	40	182	228	1	50	3600
STIB-65-40-250	65	40	222	278	2	69	3600
STIB-65-40-315	65	40	274	342	2	95	3000

STIB-80-65-160	80	65	146	182	1	49	3600
STIB-80-50-200	80	50	182	228	1	60	3600
STIB-80-50-250	80	50	222	278	2	70	3600
STIB-80-50-315	80	50	274	342	2	100	3000

STIB-100-80-160	100	80	146	182	2	72	3600
STIB-100-65-200	100	65	182	228	2	76	3600
STIB-100-65-250	100	65	222	278	2	88	3600
STIB-100-65-315	100	65	274	342	3	135	3000

STIB-125-80-400	125	80	350	438	3	176	2400

STIB-125-100-200	125	100	182	228	2	96	3600
STIB-125-100-250	125	100	222	278	3	140	3000
STIB-125-100-315	125	100	274	342	3	154	3000
STIB-125-100-400	125	100	350	438	3	183	2350
STIB-125-100-500	125	100	437	547	4	390	1800

STIB-150-125-250	150	125	222	278	3	148	3000
STIB-150-125-315	150	125	274	342	3	165	3000
STIB-150-125-400	150	125	350	438	3	206	2350

STIB-150-150-200	150	150	188	228	2	280	1800

STIB-200-150-315	200	150	282	342	4	300	2350
STIB-200-150-400	200	150	363	438	4	368	2350
STIB-200-150-500	200	150	447	547	4B	455	1800

STIB-250-200-315	250	200	282	342	4	410	2350

STIB-250-250-400	250	250	360	410	4A	450	2350

ISO Series - Bare Shaft Pumps

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