GASO 1550 Duplex Piston Pump

Wheatley Pump is an OEM supplier of the Gaso 1550 Pump. The team at IEQ Industries is here to keep your pumps running strong.

Providing Industry Solutions for 90 Years

PSI

1,400 PSI (max)

BHP

69 BHP (max)

GPM

282 GPM (max)

Download your copy of the 1550 Specs.
Gaso 1550 Duplex Piston Pump

Specifications

Pump Size:

maximum piston size x stroke length, in.(mm)
5 x 10 (127.0 x 254.0)

Rated BHP: (kW) at 85 RPM (Crankshaft Speed)

74 (55)

Rated Piston Load: pounds (kg)

7475 (3391)

Maximum Discharge Pressure: psi (kPa)

1440 (9929)

Pinion Gear Ratio:

5.92:1

Pinion Shaft Extension:

Diameter, in.(mm): 2.500 (61.35)
Length, in.(mm): 6.813 (173.0)
Keyway width x depth, in.(mm):
5/8 x 5/16 (15.9 x 7.9)
Maximum recommended sheave diameter, in.(mm):
- 44 (1118)
For larger sheave diameters: Contact Factory

Oil Capacity: gallons (L)

10.0 (37.85)

Weight, pump only on wood shipping skids, pounds (kg):

3705 (1681)

Standard Materials for Fluid End Bodies:

Cast Carbon Steel
Cast Ductile Iron

Performance Chart

Gaso 1550 English Chart

English Units					25 RPM		40 RPM		55 RPM		70 RPM		85 RPM
Piston Dia. In.	Piston Area Sq. In.	BPD per RPM	GPM per RPM	Max. Press. PSI	BPD	GPM	BPD	GPM	BPD	GPM	BPD	GPM	BPD	GPM
2.5	4.9087	26.1908	0.7639	1400	655	19.1	1048	30.6	1441	42	1834	53.5	2227	64.9
3	7.0686	39.0137	1.1379	1057	976	28.4	1561	45.5	2146	62.6	2731	79.7	3317	96.7
3.5	9.6211	54.168	1.5799	777	1355	39.5	2167	63.2	2980	86.9	3792	110.6	4605	134.3
4	12.5664	71.6537	2.0899	595	1792	52.2	2867	83.6	3941	114.9	5016	146.3	6091	117.6
4.5	15.9043	91.4708	2.6679	470	2287	66.7	3659	106.7	5031	146.7	6403	186.8	7776	226.8
5	19.6349	113.6194	3.3139	381	82.8	2841	4545	132.6	6250	182.3	7954	232	9658	281.7
Brake Horsepower Required					22		35		48		61		74

Gaso 1550 Metric Chart


Metric Units					25 RPM		40 RPM		55 RPM		70 RPM		85 RPM
Piston Dia. mm	Piston Area cm2	M3/Hr per RPM	L/Sec. per RPM	Max. Press. kPa	M3 /Hr	L/Sec.	M3 /Hr	L/Sec.	M3 /Hr	L/Sec.	M3 /Hr	L/Sec.	M3 /Hr	L/Sec.
64	31.669	0.1735	0.0482	9929	4.3	1.2	6.9	1.9	9.5	2.7	12.1	3.4	14.7	4.1
76	45.604	0.2584	0.0718	7291	6.5	1.8	10.3	2.9	14.2	3.9	18.1	5	22	6.1
89	62.072	0.3588	0.0997	5357	9	2.5	14.4	4	19.7	5.5	25.1	7	30.5	8.5
102	81.073	0.4746	0.1319	4101	11.9	3.3	19	5.3	26.1	7.3	33.2	9.2	40.3	11.2
114	102.608	0.6059	0.1683	3241	15.1	4.2	24.2	6.7	33.3	9.3	42.4	11.8	51.5	14.3
127	126.677	0.7526	0.2091	2625	18.8	5.2	30.1	8.4	41.4	11.5	52.7	14.6	64	17.8
Kilowatts Required					16		26		36		45		55

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