Ningbo Helm Tower Hydraulic Technology Co., Ltd

A2F Series piston pumps

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Size			10	12	23	28	45	55	63	80
Displacement Vg(ml/r)			9.4	11.6	22.7	28.1	44.3	54.8	63	80
Closed circuit max(r/min)	Closed Circuit		7500	6000	5600	4750	4500	3750	4000	3350
	Open Circuit,Inlet Pressure (Pabs=MPa)	0.09	4700	3750	3750	2800	2850	2360	2550	2120
		0.10	5000	4000	4000	3000	3000	2500	2700	2240
		0.15	6000	4900	4900	3600	3550	3000	3300	2750
Max.Flow max(l/min)	Closed Circuit		71	70	127	133	199	206	252	268
	Open Circuit,Inlet Pressure (Pabs=MPa)	0.09	43	42	83	76	122	125	156	165
		0.10	46	45	88	82	129	133	165	174
		0.15	55	55	108	98	157	159	202	213
Max.Power Pmax(Kw) =35MPa	Closed Circuit		41	41	74	78	116	120	147	156
	Open Circuit,Inlet Pressure (Pabs=MPa)	0.09	25	25	48	44	71	73	91	96
		0.10	27	26	51	48	75	78	96	101
		0.15	32	32	63	57	92	93	118	124
Electric Motor Speed t=1450/min	Flow Closed Circuit Q(l/min)Open Circuit		13.6	16.8	32.9	40.7	64.2	79.5	91.3	116
	Flow Closed Circuit Q(l/min)Open Circuit		13.2	16.3	31.9	39.5	62.3	77.1	88.6	112.5
	Power P(kW)Closed Circuit =35MPaOpen Circuit		7.9	9.8	19.2	23.7	37.4	46	53	67.7
	Power P(kW)Closed Circuit =35MPaOpen Circuit		7.7	9.5	18.6	23	36.3	45	51.7	66
Torque M(N-m)	=10MPa =35MPa		15	18	36	44.7	70	87	100	127
Torque M(N-m)	=10MPa =35MPa		52	65	126	156	247	305	351	445
Approx.Weight(kg)			5	5	12	12	23	23	33	33

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