Jihostroj Hydraulic Gear Pump GHD 1

Displacement from 17 to 71 ccm Pressure up to 300 bar Speed from 350 to 3200 RPM GHD1-17 GHD1-27 GHD1-34 GHD1-43 GHD1-51 GHD1-56 GHD1-61 GHD1-71

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Product Introduction

Jihostroj Hydraulic Gear Pump GHD 1

GHD feature

** GHD1 Series Pumps with external gearing for its massive cast iron construction are designed for the toughest operations in agricultural and construction equipment. The series covers a wide range displacement from 17 to 71 cm3.
** These pumps are characterized by a three-part, all-cast-iron structure: flange – body – cover. Bushings supporting gear studs are pressed into the flange and the cover. Gear wheels, which are optimised to achieve a low noise level, are made of ultra high strength steel. Liquid inlet and outlet are located in the cover (thus, the body is not weakened by them and a higher pressure load is possible) from sides or axially in the cover. The axial power balancing is performed using sliding aluminium alloy pressure plates in which a shape sealing of balancing surface is located in grooves. The flange dimensions enable a design with a pre-shaft with bearings for a higher radial or axial load of the drive.
** The GHD1 pumps are produced in various designs of drives, clamping flanges as well as liquid inlets and outlets.These pumps comply with the standards ISO, SAE, UNI and other world-recognised standards, they can be delivered in one-way single-section as well as multiple-section designs. They can also be delivered in a reversible design, with external or internal drainage.

Production Introduction

Nominal Size Parameters		Sym.	Unit.	GHD1 17	GHD1 27	GHD1 34	GHD1 43
Actual displacement		Vg	[cm3]	17.39	27.53	34.05	43.47
Rotation speed	nominal	nn	[min-1]	1500	1500	1500	1500
	minimum	nmin	[min-1]	400	400	400	400
	maximum	nmax	[min-1]	3200	3200	3000	2800
Pressure at inlet*	minimum	p1min	[bar]	-0.3	-0.3	-0.3	-0.3
Pressure at inlet*	maximum	p1max	[bar]	0.5	0.5	0.5	0.5
Pressure at outlet**	max. continuous	p2n	[bar]	300	300	300	280
	maximum	p2max	[bar]	320	320	320	300
	peak	p3	[bar]	330	330	330	310
Nominal ﬂow rate (min.) at nn and p2n		Qn	[dm3 .min-1]	23.5	38.0	48.0	61.3
Maximum ﬂow rate at nmax a p2max		Qmax	[dm3 .min-1]	54.5	86.3	100.1	119.3
Nominal input power (max.) at nn and p2n		Pn	[kW]	16.1	24.9	30.2	36.0
Maximum input power at nmax a p2max		Pmax	[kW]	33.6	53.3	61.8	69.0
Weight		m	[kg]	–	–	–	–

Nominal Size Parameters		Sym.	Unit.	GHD1 51	GHD1 56	GHD1 61	GHD1 71
Actual displacement		Vg	[cm3]	51.44	55.79	61.59	71.01
Rotation speed	nominal	nn	[min-1]	1500	1500	1500	1500
	minimum	nmin	[min-1]	350	350	350	350
	maximum	nmax	[min-1]	2600	2400	2200	1800
Pressure at inlet*	minimum	p1min	[bar]	-0.3	-0.3	-0.3	-0.3
Pressure at inlet*	maximum	p1max	[bar]	0.5	0.5	0.5	0.5
Pressure at outlet**	max. continuous	p2n	[bar]	260	250	230	210
	maximum	p2max	[bar]	280	270	250	230
	peak	p3	[bar]	290	280	260	240
Nominal ﬂow rate (min.) at nn and p2n		Qn	[dm3 .min-1]	72.5	78.7	86.8	100.1
Maximum ﬂow rate at nmax a p2max		Qmax	[dm3 .min-1]	131.1	131.2	132.8	125.3
Nominal input power (max.) at nn and p2n		Pn	[kW]	39.5	41.2	41.9	44.1
Maximum input power at nmax a p2max		Pmax	[kW]	70.8	68.3	64.0	55.6
Weight		m	[kg]	–	–	–	–

GHP1 Dimensional Drawing

product-805-659

Order No

GHD1-17R-S03D13-SH10H09-N R	GHD1-43R-S03D13-SH10H09-N R
GHD1-17L-S03D13-SH10H09-N	GHD1-43L-S03D13-SH10H09-N L
GHD1-27R-S03D13-SH10H09-N R	GHD1-51R-S03D13-SH10H09-N R
GHD1-27L-S03D13-SH10H09-N L	GHD1-51L-S03D13-SH10H09-N L
GHD1-34R-S03D13-SH10H09-N R	GHD1-71R-S03D13-SH10H09-N R
GHD1-34L-S03D13-SH10H09-N L	GHD1-71L-S03D13-SH10H09-N L

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