Mahek Exports

Symbol	Outside dia. of Bowls in mm.	Minimum dia. of tube in mm.	Range of head in Mts./Stage	Range of Capacity in L.P.M.	Speed in R.P.M.	Pump parts	Material Construction
16 DN -2	388	400	17.13	7600-11370	1440	Top shaft adjusting nut	Steel
14 DN-2	338	350	13-8	4800-7600	1440	Top Gland	Bronze - IS:318
12 DN-2	288	300	10-6	4000-6800	1440	Enclosed line shaft bearing	Bronze IS:318
10 DN-3	240	250	8-4	2000-4000	1440	Shaft Enclosing Tube	Steel IS:1239( Part 1) 1968 or IS:1978 1971
10 DN-2	240	250	7-3	1500-3100	1440	Column pipe coupling	Closed grained cast iron - IS:210 grade 20
9 DN-2	220	240	7-4	900-1800	1440	Guide Spider	Closed grained cast iron - IS:210 grade 20
7 DN-1	192	200	5-2	600-1500	1440	line Shaft	Steel - EN:3B
6 DN-2	172	200	4-2	400-1000	1440	Line Shaft Coupling	Steel
5 DN-12	142	150	11-6	500-1050	2880	Column pipe	Steel-IS:1239( Part-1) 1968 of Is : 1978 1971
5 Dn-14	142	150	3-1.5	200-550	1440	Bowls	closed Grained Cast iron - IS:210 Grade20
5 Dn-22	142	150	10-4	600-150	2880	Impellers	Bronze/Cast Iron - is318 is210 Grade 20
5 Dn-24	142	150	2.5-1	350-700	1440	Impeller Shaft	Stainless Steel - AISI-410 12% chromium
4 DN-2	130	150	10-4	250-650	2880	Suction case Send Collar	Bronze IS:318
4 DN-1	130	150	6-2	400-500	2880	Line shaft bearing Sleeve	Stainless Steel AISI-410
4 Dn-15	118	125	6-2	100-500	2880	Opening Line Shaft bearing	Neoprene


Capacity	Ranging from 70 to over 10,000 LPM capacity from deepwell and tubewell of 150m.mm to 500 m.m. diameter and up to 92 to meters depth. Driven either by oil engine, or electric motor. Conforming to IS : 1710.	Top
Bowl	Made of close-grained cast iron. Houses bronze bowl baring, impller shaft, impller. Has hydraulically profied guide vanes for higher effficiency.	Top
Impeller	Made of close-grained cast iron or bronze. Single suction, enclosed or semi-enclosed type. Dynamically balanced. Clamped by draw-out type collet and locknut to stainless steel shaft.	Top
Discharge Case	Made of close-grained cast iron. Houses bronze bearing. Guided water flow column assembly. The discharge case in oil lubricated turbine pumps has intermediate bearing, lantern ring , asbestos-plaited yarn seal ( gland packing ) and discharge case bearing for line shaft tube. Prevents water from entering the line shaft tube as the high pressure water in bypassed through relief ports in the lantern ring.	Top
Lubrication	For oil lubricated turbine pumps, manual lubricator of automatic electric oil lubricator available.	Top
Suction Case	Made of close-grained cast iron. House bronze bearing and sand collar which prevents entry of sand into suction case bearing. Guides flow of water into the eye of the lowest impeller.	Top
Casing Pipe/ Line Shaft Tube	Made of steel. Concentrically threaded for line shaft bronze bearings provided at intervals of1.5m.	Top
Column Pipe	Made of steel. Concentrically threaded as per Indian standards.	Top
Line Shaft	Made of high carbon steel. Concentrically threaded at both ends. The line shaft in oil lubricated pumps rotates in bronze bearing fitted at 1.5 m. intervals. The line shaft in Water Lubricated pumps has a stainless steel sleeve which rotates cutless rubber bearing fitted in C.. bearing retainer (spider).	Top
Discharge Head	Robust construction. Has an integral smooth discharge elbow. In water lubricated pumps, the discharge head houses a stuffing box and gland nut. in oil lubricated pumps, it houses a tension nipple and gland nut. Standard discharge outlet flange is as per BS: 10 table D or E. The discharge case in water lubricated turbine pumps has a sand collar which prevents entry of sand into the discharge case bearing.	Top
Pre-Lubrication	For water lubricated turbine pumps, pre-lubrication tank and pipe connections with cock available for pre-lubrication of pump shaft, hush bearings and stuffing box before starting the pumps.	Top