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sand pumps

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Category： Solid Control Equipment

Key words：Solid Control Equipmentsand pumps

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The series sand pumps have been developed and manufactured as supporting pumps based on the characteristics of petroleum & natural gas drilling equipment。With axial-suction structures and wear-resistant cast iron for flow-passing parts employed，these pumps are suitable for delivering corrosive drilling liquid that contains suspended pellets and other

similar liquids，and also the best supporting pumps for sand removers，mud removers and mixing funnel，and ideal pouring pumps for mud pumps as well。During design of their parameters，that supporting equipment can run under the best operating mode has been fully considered。As a result，these pumps have the advantages of high universality & exchangeability，little shaft leakage, high reliability，long service life and convenient maintenance，etc。

The series sand pumps include two types：clockwise pumps and anti-clockwise pumps。Clockwise pumps and anti-clockwise pumps have basically the same outline dimensions and installation dimensions except tha：when seeing from suction end，for clockwise pump，the volute discharge pipe is on left，and pump shaft revolves in clockwise direction;for anti-clockwise pump，the volute discharge pipe is on right， and pump shaft revolves in anti-clockwise direction。We recommend that the 6“8” sand pump is used for drilling machines of 3,200m drilling depth or above and the 5“6”is used for those of 2,500m or below 。

There are two models of seals in the series sand pumps，i.e. mechanical seal and compound seal。The compound seal uses auxiliary impeller，special oil seal and packing seal。Main seal of machine seal is mechanical seal that is with a long service life，and auxiliary seal of machine seal is packing seal to prevent occurrence of accidents。The practice demonstrates that the seals of SB series sand pumps are reliable，and convenient for maintenance。

The shaft seals of series sand pumps are lubricated with grease，and bearings are lubricated with machine oil。Since bearing covers at two ends of bearings are equipped with grease injectors，bearings can be lubricated with grease as well。

Both inlet flanges and outlet flanges of series sand pumps are with two series standard dimensions， in metric system for domestic customers and in English system for foreign customers。

Our series sand pumps have been used for land and offshore drilling platforms in more than 20 countries over the world，and the result shows that these pumps requires very little maintenance expenses other than the normal replacement of sealing components。

( Table 1: The Metric System )

Model	Flow	Head (m)	Speed (rpm)	Efficiency (%)	NPSH (m)	Power (kW)
Model	Flow	Head (m)	Speed (rpm)	Efficiency (%)	NPSH (m)	Shaft Power	Motive Power
SB6 × 8J-13	240	37	1480	67	2.5	36	75
SB6 × 8J-12	200	36	1480	66	2.5	31	55
SB6 × 8J-12	200	33	1480	64	3	28	45
SB5 × 6J-12	200	33	1480	64	2.5	28	45
SB5 × 6J-12	180	31	1480	63	2.5	25	37
SB5 × 6J-11	160	28	1470	62	2.5	18	30
SB5 × 6J-11	140	22	1470	62	2.5	16	22
SB4 × 5J-10	100	28	1470	61	2.8	13	22
SB4 × 5J-9	93	20	1460	58	2.8	8.8	15
SB3 × 4J-10	85	26	1460	61	2.8	10	15
SB3 × 4J-9	80	23	1460	61	2.8	8.6	11
SB3 × 4J-9	54	18	1460	60	2.8	5.1	7.5
SB2 × 3J-10	30	25	1460	60	2.5	8.6	11
SB2 × 3J-8	30	14	1440	54	2.5	3.2	5.5
SB2 × 3J-7	25	11	1440	50	2.5	2.3	4

( Table 2: The English System )

Model	Flow	Head (m)	Speed (rpm)	Efficiency (%)	NPSH (m)	Power (kW)
Model	Flow	Head (m)	Speed (rpm)	Efficiency (%)	NPSH (m)	Shaft Power	Motive Power
SB8×6-13	244 320 416	43 40 35	1750	68 65 64	4.0	41.7 53.63 61.9	75
SB8×6-12	209 290 377	41 33 28	1750	67 64 65	4.5	30.8 40.7 44.2	55
SB8×6-11	200 270 351	38 38 26	1750	67 64 67	4.5	30.8 32 37.1	45
SB6×5-13	160 220 260	43 31.8 33	1750	61 62 51	3.2	30.7 31 38.3	55
SB6×5-12	144 180 202	37 25.2 35	1750	57 55 64	3.0	30.4	45
SB6×5-11	177 164 208	32 32 25	1750	59 58 57	3.0	25 24.3 24.8	37 30
SB6×5-10	141 200 260	31 21 20	1750	59 62 62	2.5	20.2 18.5 22.8	30
SB6×5-8	128 160 208	13 12 10	1750	55 58 59	3.0	8.2 9.02 9.6	15
SB5×4-13	96 120 156	43 40 34	1750	51 56 57	4.6	22 23.3 25.3	37
SB5×4-12	72 90 117	42 40 37	1750	53 56 60	4.5	15.5 17.5 19.6	30
SB5×4-11	72 90 117	32 30 27	1750	56 56 55	4.5	11.2 13.1 15.6	22
SB5×4-10	72 90 117	26 24 21	1750	55 56 53	4.5	9.3 10.5 12.6	18.5
SB5×4-9	68 85 110.5	24 20 15	1750	56 56 40	4.2	7.9 8.4 11.2	15
SB5×4-8	46 80 104	23 19.5 16	1750	56 54 47	4.5	7.2 7.9 9.6	15
SB4×3-12	40 78 81	30 29 25	1750	48 58 56	4.5	6.8 10.9 10	15
SB4×3-11	36 45 58.5	26 24 21	1750	50 50 54	4	5.1 5.9 6.2	11
SB4×3-10	32 40 52	21 20 17	1750	49 49 51	4	3.7 4.5 4.7	7.5
SB3×2-12	20 25 32.5	26 25 21	1750	39 40 39	3	3.6 4.3 4.7	7.5
SB3×2-11	18.4 23 30	22 20 17	1750	39 39 42	3	2.8 3.2 3.3	5.5
SB3×2-12	16 20 26	22 18 14	1750	38 39 38	3	2.5 2.5 2.6	4