VF-AH Series Heavy Duty Slurry Pumps

Heavy-Duty & Wear-Resistant | High-Efficiency Hydraulics | Built to Warman® Standards

✔ Specifically engineered for highly abrasive,  high-density slurries in mining, metallurgy, power generation, and heavy-media transport. Wet-end components are available in high-chromium alloy (Metal) or natural rubber (Rubber) liners.

✔Complete size coverage from 1.5/1B to 20/18TU specifications, with flow rates up to 5,400 m³/h and head pressure up to 68 m.

✔ Available in both AH (metal-lined) and AHR (rubber-lined) configurations，with hydraulic efficiency matching international industry standards.

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)
1.5/1B-AH	VF-1.5/1B-AH	15	M/M	12.6~28.8	3.5~8	6~68	1200~380	40	2~4
1.5/1B-AHR	VF-1.5/1B-AHR	15	RU/RU	10.8~25.2	3~7	7~52	1400~340	35	2~4
2/1.5B-AH	VF-2/1.5B-AH	15	M/M	32.4~72	9~20	6~58	1200~320	45	3.5~8
2/1.5B-AHR	VF-2/1.5B-AHR	15	RU/RU	25.2~54	7~15	5.5~41	1000~260	50	2.5~5
3/2C-AH	VF-3/2C-AH	30	M/M	39.6~86.4	11~24	12~64	1300~270	55	4~6
3/2C-AHR	VF-3/2C-AHR	30	RU/RU	36~75.6	10~21	13~39	1300~210	55	2~4
4/3C-AH	VF-4/3C-AH	30	M/M	86.4~198	24~55	9~52	1000~220	71	4~6
4/3D-AH	VF-4/3D-AH	60	M/M	86.4~198	24~55	9~52	1000~220	71	4~6
4/3C-AHR	VF-4/3C-AHR	30	RU/RU	79.2~180	22~50	5~34.5	800~1800	59	3~5
4/3D-AHR	VF-4/3D-AHR	60	RU/RU	79.2~180	22~50	5~34.5	800~1800	59	3~5
6/4D-AH	VF-6/4D-AH	60	M/M	162~360	45~100	12~56	800~1550	65	5~8
6/4E-AH	VF-6/4E-AH	120	M/M	162~360	45~100	12~56	800~1550	65	5~8
6/4D-AHR	VF-6/4D-AHR	60	RU/RU	144~324	40~90	12~45	800~1350	65	3~5
6/4E-AHR	VF-6/4E-AHR	120	RU/RU	144~324	40~90	12~45	800~1350	65	3~5
8/6E-AH	VF-8/6E-AH	120	M/M	360~828	100~230	10~61	500~1140	72	2~9
8/6R-AH	VF-8/6R-AH	300	M/M	360~828	100~230	10~61	500~1140	72	2~9
8/6E-AHR	VF-8/6E-AHR	120	RU/RU	320~720	90~200	7~49	400~1000	65	5~10
8/6R-AHR	VF-8/6R-AHR	300	RU/RU	320~720	90~200	7~49	400~1000	65	5~10
10/8ST-AH	VF-10/8ST-AH	560	M/M	612~1368	170~380	11~61	400~850	71	4~10
10/8ST-AHR	VF-10/8ST-AHR	560	RU/RU	540~1188	150~330	12~50	400~750	75	4~12
12/10ST-AH	VF-12/10ST-AH	560	M/M	936~1980	260~550	7~68	300~800	82	6
12/10ST-AHR	VF-12/10ST-AHR	560	RU/RU	720~1620	200~450	7~45	300~650	80	2.5~7.5
14/12ST-AH	VF-14/12ST-AH	560	M/M	1260~2772	350~770	13~63	300~600	77	3~10
14/12ST-AHR	VF-14/12ST-AHR	560	RU/RU	1152~2520	320~700	13~44	300~500	79	3~8
16/14TU-AH	VF-16/14TU-AH	1200	M/M	1368~3060	380~850	11~63	250~550	79	4~10
16/14TU-AHR	VF-16/14TU-AHR	1200	RU/RU	1260~2880	350~800	12~42.5	250~450	80	4~8
20/18TU-AH	VF-20/18TU-AH	1200	M/M	2520~5400	700~1500	13~57	200~400	85	5~10
20/18TU-AHR	VF-20/18TU-AHR	1200	RU/RU	1800~4680	500~1300	13~44	200~350	80	2~7

⚙️
·Heavy-Duty Shaft Assembly: A large-diameter shaft combined with a short, optimized overhang minimizes shaft deflection and vibration. This ensures high structural rigidity, guaranteeing reliable performance under high-power operations.
· Hardened Shaft Sleeve Protection: A hardened, corrosion-resistant stainless steel shaft sleeve, fitted with heavy-duty O-rings at both ends, completely seals and protects the shaft from premature wear and chemical erosion.
·Hydraulic Efficiency Back-Vanes: The closed impeller features front and rear expelling (deputy) vanes. This specialized design reduces stuffing box pressure, minimizes slurry recirculation, and prevents solids from building up near the shaft seal.
·Reinforced Ductile Iron Casing: Outer casing halves are cast from high-strength ductile iron and fitted with radial reinforcing ribs, allowing the pump casing to safely withstand extreme high-pressure demands.
·Premium Wear-Resistant Metallurgy & Elastomers: Overcurrent wet-end components (impellers, throatbushes, liners) are cast from premium high-chromium alloy (A05, A49, Cr27) or molded from wear-resistant natural rubber, significantly extending the pump’s wear life.
·Fully Interchangeable Liners: Elastomer (rubber) and metal wear liners are fully interchangeable and can be mixed and matched within the same pump casing to suit different liquid pH values and abrasive profiles.
·Wide Flow Channel Impeller: Impellers feature widened internal flow passages and concave vane design, which reduces internal turbulence, increases throughput capacity, and decreases localized wear rates.
·Adaptable Shaft Sealing Options: To accommodate varying site conditions, the VF-AH supports multiple sealing methods: dynamic expeller seals (no gland water needed), traditional packing gland seals, and highly reliable mechanical seals.
·Flexible Discharge Orientation: The pump discharge outlet can be rotated and positioned at intervals of 45 degrees, allowing orienting to any of eight positions to simplify site piping layouts.
· Dual Bearing Lubrication Options: Bearing cartridge assemblies can be configured with either traditional grease lubrication or oil bath lubrication to suit different operating speeds and ambient temperatures.