HL Series Internal Gear Pumps (Double Pump/Tandem Pump)

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Website: http://hydraulicparts-en.com/1-3-2-double-gear-pump.html

The double pump (tandem pump) consists of two single pumps assembled in series. It features a common inlet port and two outlet ports that can supply two independent circuits. Various displacements can be achieved by combining different pump series.

HL10 (10R): Technical Specifications (unit: mm)

Pump model	A1	A2	Rear pump size
			13		16		20
			A3	A4	A3	A4	A3	A4
HL10-25-※-P-10R	73	164.5	165.8	297	168.5	302.5	172.5	310.5
HL10-32-※-P-10R	76.5	171.5	169.3	304	172	309.5	176	317.5
HL10-40-※-P-10R	80	178.5	172.8	311	175.5	316.5	179.5	324.5
HL10-50-※-P-10R	85	188.5	177.8	321	180.5	326.5	184.5	334.5
HL10-63-※-P-10R	92	202.5	184.8	335	187.5	340.5	191.5	348.5

HL10 (20R): Technical Specifications (unit: mm)

Pump model	A1	A2	Rear pump size
			3.5		05		6.3		08		10
			A3	A4	A3	A4	A3	A4	A3	A4	A3	A4
HL10-25-※-P-20R	73	164.5	159	281	161	285	162.5	288	164.8	292.5	167.3	297.5
HL10-32-※-P-20R	76.5	171.5	162.5	288	164.5	292	166	295	168.3	299.5	170.8	304.5
HL10-40-※-P-20R	80	178.5	166	295	168	299	169.5	302	171.8	306.5	174.3	311.5
HL10-50-※-P-20R	85	188.5	171	305	173	309	174.5	312	176.8	316.5	179.3	321.5
HL10-63-※-P-20R	92	202.5	178	319	180	323	181.5	326	183.8	330.5	186.3	335.5

HL11: Technical Specifications (unit: mm)

Pump model	A1	A2	Rear pump size
			25		32		40		50		63
			A3	A4	A3	A4	A3	A4	A3	A4	A3	A4
HL11-25-※-P-10R	73	168	175	314
HL11-32-※-P-10R	76.5	175	178.5	321	182	328
HL11-40-※-P-10R	80	182	182	328	185.5	335	189	342
HL11-50-※-P-10R	85	192	187	338	190.5	345	194	352	199	362
HL11-63-※-P-10R	92	206	194	352	197.5	359	201	366	206	376	213	390

HL21: Technical Specifications (unit: mm)

Pump model	A1	A2	Rear pump size
			25		32		40		50		63
			A3	A4	A3	A4	A3	A4	A3	A4	A3	A4
HL21-80-※-P-10R	109.5	249.5	241.5	417	245	424	248.5	431	253.5	441	260.5	455
HL21-100-※-P-10R	114	258.5	246	426	249.5	433	253	440	258	450	265	464
HL21-125-※-P-10R	120	270.5	252	438	255.5	445	259	452	264	462	271	476
HL21-160-※-P-10R	129	288.5	261	456	264.5	463	268	470	273	480	280	494

HL22: Technical Specifications (unit: mm)

Pump model	A1	A2	Rear pump size
			80		100		125		160
			A3	A4	A3	A4	A3	A4	A3	A4
HL22-80-※-P-10R	109.5	249.5	270	474
HL22-100-※-P-10R	114	258.5	274.5	483	279	492
HL22-125-※-P-10R	120	270.5	280.5	495	285	504	291	516
HL22-160-※-P-10R	129	288.5	289.5	513	294	522	300	534	309	552