Product Groups

Variable pumps for open circuit

Product Description

313 series

Open circuit variable displacement axial piston bent-axis hydraulic pumps

► Download Technical Catalogue.pdf (7.35 Mb)

► Download Ordering Code.pdf (244 kb)

Purpose:

The pumps transform the shaft rotation mechanical energy into the working fluid flow hydraulic energy.

The pumps are intended for operation in open and close loops of stationary and mobile installations.

Working displacement: 28, 55, 56, 80, 107, 112, 160, 250 ccm/rev

Technical characteristics:

Size			28	55	56	80	107	112	160	250
Working displacement: - min - max	V_g	ccm	28	55	56	80	107	112	160	250
Max. rotation speed (at P_input=2 bar)	n_max	rpm	4750	3750	3750	3350	3000	3000	2650	2100
Feed (at n_max)	Q_max	l/min	133	206	210	268	321	336	424	525
Power at ∆p=450 bar at ∆p=400 bar at ∆p=350 bar at ∆p=250 bar	N	kW	93 83 72 52	144 128 112 80	147 130 114 81	187 166 146 104	224 199 174 125	235 209 183 130	296 263 230 165	367 326 285 204
Torque at ∆p=450 bar at ∆p=400 bar at ∆p=350 bar at ∆p=250bar	T	N_m	187 166 145 104	367 326 285 204	373 332 290 207	534 474 41 296	714 634 555 396	747 664 581 415	1067 948 830 593	1667 1482 1297 926
Weight	m	kg	15.5	24	22	38	40	37.5	55	85

Design:

- variable displacement axial piston bent-axis hydraulic pumps

- reinforced bearing unit

- bimetal steel cylinder block

- increased lifetime at high pressure operation conditions

- mounting dimensions as per DIN / ISO standards

Types of regulators:

- proportional

- «LS» regulator of constant pressure difference

- constant pressure regulator

- constant power regulator

- working only at external action

Types of control:

- hydraulic proportional

- hydraulic direct

- mechanical

- electrical discrete (12, 24 V)

- electrical proportional (12, 24 V)

Application >>>

Substitution >>>

415 series

Open circuit variable displacement axial piston swashplate hydraulic pumps

Swashplate hydraulic pump 415.0.250 series is the complete ana¬logue of axial piston pump A4V¬SO250 produced by Bosch-Rexroth and will be manufactured by PSM with similar regulation types and with similar tandem versions as A4VSO250 pump.

Swashplate hydraulic pumps 415.0.250 series are intended for industrial use in metallurgical equipment.

Design features:

Mounting flange Ø224 mm, 4 holes as per ISO 3019-2 (metric)

Shaft version:

- keyed AS18x11x100 DIN 6885

- splined W60x2x28x9g DIN 5480

The pumps are produced with left and right rotation.

Technical parameters:

Parameter	Value
Working displacement, cc/rev	250
Max. rotation speed, rpm	1500
Max. pump feed, l/min	375
Charge pressure, MPa - nominal - maximum	350 400
Max. consumed power, kW	250
Weight, kg	184