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FDU engineering plastic low-speed slurry pump

I.General introduction

The FDU series pump is developed on the basis of our FUH pump technology absorbing other advantages of the latest low speed pump in China. Compare with the FUH series pump, the advantages of the FDU series pump are:

1、The pump front cover and back cover are separated from the pump body. This design makes the maintenance much easier. This design also reduces the maintenance cost when you have to replace the eroded parts.
2、Because of the low speed, the service life of the impeller, front cover, back cover and casing is much longer. The service life of the seal is also prolonged significantly.
3、The FDU series pump is running at much lower noise and vibration level because of low speed of the pump.

All the wet parts of the FDU series pump are made of ultra-high molecular weight polyethylene (UHMWPE), which has excellent corrosion resistance, erosion resistance (best in plastic) and anti-impact property. There are different type of seals for selection, such as mechanical seal, dynamic seal and packing seal, which are able to meet for pumping different kind of acid or alkaline. The FDU pumps display its excellent properties when pumping hydro-fluoric acid, phosphoric acid, mixed acid, electrolytes, hydrochloride acid, diluted sulphur acid, concentrated alkaline, which contain high percentage of solid particles.

The working temperature of the FDU pumps is -50?100ºC. This temperature can be increased to 120 ºC if the impeller and the casing of the pump are replaced with the ones made of PVDF or CPE.

The FDU series pumps are horizontal single stage, single suction centrifugal pump with bearing frame.

II.Application　

The FDU series pumps are mainly used for pumping different kind of liquids such as acid, alkaline, salts, oil, beverages and wine. They are widely used in chemical industry for pumping acid, alkaline, salts, oil and different kind of liquids, whatever the liquids are clean or containing solid particles; used in nonferrous metal industry, especially in the factories producing lead, zinc, gold, silver, copper, cobalt, tungsten and rare earth etc for pumping various acids, ore magma, slurry (for pumping slurry to filter press) electrolytes, sewages; used in fertilizer industry for pumping diluted sulphur acid, parent liquid, hydrofluoric acid, fluoro-silicon acid, sea water and phosphoric acid slurry; used for water treatment or environment facilities for pumping different kind of sewages(sewage from food industry, electroplating industry, leather industry, medicine industry, paper making industry, textile plant and electronic industry etc.); used in the acid catalysed cleavage, settling, refrigeration, hydrologic, water washing, salts treatment process in titanium dioxide pigment industry; used in acid station in the chemical fiber industry; used in the fermentation, neutralizing, pressure filtration, water treatment in citric acid factories; used in manganese industry. The UHMWPE pumps are first selection of the alternatives of the imported pumps and other similar metal or non-metal pumps made in China.
The FDU pumps can be used in explosive condition by equipping with anti-explosive motor.

III.Demonstration of model

Performance curve Performance parameters Structure description Overall size and mounting size of the pump

FDU structure

This seal which add auxiliary impeller is made based on K-type dynamic seal, K1-type dynamic seal with the cooling water, C3-type non-standard mechanical seal and T-type packing seal mentioned above, due to the presence of auxiliary impeller, so that the pressure on the front of these seals is small, or somewhat negative, especially when the pump’s flow is small or even pressureout, the wear of seals can be reduced to improve the life of seals; at the same time, with the existence of auxiliary impeller, a higher solid content in the transportation of liquid, this seals can effectively prevent the solid particles into the stuffing box and improve the life of seals (Fig. 6 as KF-type dynamic seal with a auxiliary impeller, Fig. 7 as C3F-type non-standard mechanical seal with a auxiliary impeller).
The pumps equipped with the seals of this type, are for handling the liquids containing high percentage of solid particles, and particularly for supporting the use of filter press, the life of these seals are much longer than those wtinout auxiliary impeller.

Overall dimensions and installation dimension

Mo del	Overall dimensions and installation dimension (mm)																														Weig -ght (Kg)
	h	n3 × S3	A	B	C	E	H1	H2	L1	L2	L3	L4		L5	L6		D1	n1 × S1	D2	n2 × S2	M1	M2	N1	N2	H3	L7	L8	L9	L10	H4
	h	n3 × S3	A	B	C	E	H1	H2	L1	L2	L3	With -out asso -ciat - ed impe - ller	With ass -oci -ated impe -ller	L5	With -out ass -oci -ated impe - ler	With ass -oci -ated impe -ller	D1	n1 × S1	D2	n2 × S2	M1	M2	N1	N2	H3	L7	L8	L9	L10	H4
40 FDU -50	30	4-M 16 × 400	450	450	5 3 0	20 5	290	342	195	482	195	31 5.5	379	247	135 9.5	14 23	110	4× Φ 18	110	4× Φ 18	90	120	80	110	480	11 00	310	75 0	150	550	287
50 FDU -30	25	4-M 16 × 300	320	320	3 7 0	16 7	252	315	160	400	160	269	352	215	11 57	12 40	125	4× Φ 18	110	4× Φ 18	90	120	80	110	380	9 00	250	60 0	140	450	180
65 FDU -50	28	4-M 16 × 400	330	420	4 7 0	21 8	310	385	184	620	166	342	35 4.5	301	15 90	160 2.5	145	4× Φ 18	125	4× Φ 18	90	120	80	110	480	12 50	300	70 0	140	550	399
80 FDU -35	30	4-M 16 × 400	450	450	5 3 0	19 3	290	343	195	482	195	330	38 5.5	243	136 0.5	142 0.5	160	8× Φ 18	145	4× Φ 18	90	120	80	110	480	11 00	310	75 0	150	550	288
100 FDU -38	35	4-M20 ×400	460	460	4 6 0	220	335	408	161	680	167	308	/	263	15 46	/	180	8× Φ 18	160	8× Φ 18	120	150	100	130	470	1200	260	80 0	170	600	427
100 FDU -50-K,K1	30	4-M 20 × 400	385	510	5 7 0	23 1	335	425	200	660	314	347	413	298	17 46	18 12	180	8× Φ 18	160	8× Φ 18	120	150	100	130	470	13 50	300	90 0	195	600	556
100 FDU -50-C3,T ,T1	30	4-M 20 × 400	385	510	5 7 0	23 1	335	425	200	660	314	377	413	298	17 76	18 12	180	8× Φ 18	160	8× Φ 18	120	150	100	130	470	13 50	300	90 0	195	600	556

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Company:	Yixing Linggu Plastic Equipment Co., Ltd.
ADD:	Yixing porcelain DingShu Zhen Tong Li Industrial Park Road on the 1st
Zipcode:	214222
Contact:	Chen bosheng
Tel:	+86-510-87409633,87403572,87403345
Fax:	+86-510-87426968
E-mail:	pump-cbs@pub.wx.jsinfo.net
website:	http://m.0311-88899360.com/
Shopsales:	http://yxlgby.1688.com

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Model	*Inletoutlet**	Quantity of flowm3/h	Quantity of flow m3/h	Head of delivery m	Head of delivery m	Click
40FDU-50	40×32	15	3.3~20	50	52~20.4	Details
50FDU-30	50×40	20	3.3~20	30	37~6.2	Details
65FDU-50	65×50	30	13.5~70	50	57~9	Details
80FDU-35	80×65	40	13.3~60	35	41.5~6.6	Details
100FDU-38	100×80	60	14~90	38	45~10	Details
100FDU-50	100×80	100	47.5~14	50	57~6	Details

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