VF-L Series Light Duty Slurry Pumps

Light-to-Medium Duty | Energy-Saving Design | Meets Warman® L Standards

✔ Specially engineered for light-duty medium-concentration slurry transport. Wet-end components are lined with high-chromium alloy (Metal) or natural rubber (Rubber), perfectly balancing premium wear performance with operational economy.

✔Comprehensive size coverage from 20A-L to 650TUL-L，delivering flow rates up to 5,400 m³/h, a maximum head of 63 meters, and power configurations from 7.5 kW up to 1,200 kW.

✔ Available in both L (metal-lined) and LR (rubber-lined) double configurations，Optimized for low-abrasion, fine-particle media and water mixtures, ensuring smooth, highly stable, and energy-efficient operations.

Warman® Equivalent	V-Flu Model	Max. Power (kW)	Material	Flow Q (m³/h)	Flow Q (l/s)	Head H (m)	Speed (r/min)	Eff. (%)	NPSHr (m)
20A-L	VF-20A-L	7.5	M/M	2.34~10.8	0.65~3	6~37	1400~300	39	3~5
20A-LR	VF-20A-LR	7.5	RU/RU	2.69~9	0.6~2.5	7~32	1600~300	33	3~5
50B-L	VF-50B-L	15	M/M	16.2~76	4.5~20	9~44	1400~280	62	3~5
50B-LR	VF-50B-LR	15	RU/RU	12.6~60	3.5~17.6	6~38	1200~260	48	3~5
75C-L	VF-75C-L	30	M/M	18~151	5~42	7~40	900~2400	57	3~5
75C-LR	VF-75C-LR	30	RU/RU	25~144	7~40	9~43	1000~2200	60	3~5
100D-L	VF-100D-L	60	M/M	50~252	14~70	7~46	800~1800	65	2~5
100D-LR	VF-100D-LR	60	RU/RU	61~252	17~70	8~38	800~1600	65	2~5
150E-L	VF-150E-L	120	M/M	115~486	32~135	12~51.5	800~1500	65	2~6
150E-LR	VF-150E-LR	120	RU/RU	137~486	38~135	10~36.5	800~1300	65	2.5~5.5
10/8E-M	VF-10/8E-M	120	M/M	446~1325	124~368	14~63	600~1100	73	3~14
10/8E-MR	VF-10/8E-MR	120	RU/RU	277~1088	27~322	11~43	500~900	79	3~10
12/10F-M	VF-12/10F-M	260	M/M	468~1386	130~385	9~47	500~1000	73	3~10
12/10F-MR	VF-12/10F-MR	260	RU/RU	522~1278	140~355	10~39	500~900	73	5~10
300S-L	VF-300S-L	560	M/M	468~2538	130~705	8~60	400~950	79	2~10
300S-LR	VF-300S-LR	560	RU/RU	432~1900	120~528	7~41	400~800	81	3~8
350S-L	VF-350S-L	560	M/M	650~2800	180~780	10~59	400~840	81	3~10
350S-LR	VF-350S-LR	560	RU/RU	720~2844	200~790	10~41	400~700	86	3~7
400ST-L	VF-400ST-L	560	M/M	720~3312	200~920	7~51	300~700	80	2~10
400ST-LR	VF-400ST-LR	560	RU/RU	756~3312	210~920	7~37.5	300~600	85	2~8
450ST-L	VF-450ST-L	560	M/M	1008~4350	280~1210	9~48	300~600	80	2~9
450ST-LR	VF-450ST-LR	560	RU/RU	1080~4350	300~1210	9~40	300~550	87	3~10
500T-L	VF-500T-L	1200	M/M	1440~5580	400~1550	8~51	250~550	86	3~10
500T-LR	VF-500T-LR	1200	RU/RU	1152~5112	320~1420	8~42	250~500	87	3~10
550TUL-L	VF-550TUL-L	1200	M/M	1980~7920	560~2200	10~50	250~475	86	4~10
550TUL-LR	VF-550TUL-LR	1200	RU/RU	2160~6660	600~1850	13~43	250~425	88	3~10
650TUL-L	VF-650TUL-L	1200	M/M	3600~10260	1000~2850	10~57	200~425	86	4~10
650TUL-LR	VF-650TUL-LR	1200	RU/RU	2520~9100	700~2530	10~39	200~350	80	2~8

🌊 · Energy-Saving Hydraulic Design: Optimized impeller and casing geometry are designed for high-flow, low-head applications, maximizing hydraulic efficiency and reducing energy consumption.
· Compact & Simplified Structure: Features a lighter, highly compact frame design, drastically reducing foundation space requirements and structural installation costs.
· Interchangeable Wear Liners: Choose between wear-resistant high-chrome alloys (A05/A49) or premium natural rubber liners depending on slurry chemical acidity and solid particle sizing.
· Dynamic Back-Vane Seal Relief: Impellers feature back-shroud expelling (deputy) vanes that relieve stuffing box pressure, reducing seal wear and minimizing recirculating slurry.
· Rugged Ductile Iron Construction: Outer casings are cast from high-strength ductile iron, ensuring durability and safety under continuous light-to-medium loads.
· Highly Reliable Sealing Systems: Supports cost-efficient gland packing, maintenance-free expeller (dynamic) seals, or heavy-duty mechanical seals to match different fluid chemistry.
· Flexible Outlet Configurations: The pump discharge branch can be oriented to any of eight positions at 45-degree intervals to match various pipeline installation angles.
· Optimized Bearing Assembly: Rigid cartridge bearing assembly designed with optional grease or oil lubrication, ensuring low bearing operating temperatures and simplified routine maintenance.