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  3. "A" SERIES PISTON PUMPS

"A" SERIES PISTON PUMPS

"A" SERIES PISTON PUMPS
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"A" SERIES PISTON PUMPS

Product catalog summary
Specifications:
The document provides comprehensive specifications for the 'A' series piston pumps, including both variable displacement and fixed double pumps. These pumps are capable of operating at pressures up to 28 MPa (4060 PSI) and speeds of 1800 r/min, with a volumetric efficiency exceeding 98% and overall efficiency over 90% under specified conditions. Model numbers such as A16/A22-F-R-07-K-32 and A37-F-R-07-S-K-32 are highlighted, with geometric displacement of 3 cm³/rev and operating pressure ranges from 16 to 25 MPa (2320 to 3630 PSI).
Performance Characteristics:
The pumps are noted for their high efficiency, low noise levels, and energy-saving capabilities. At a full cut-off pressure of 21 MPa (3050 PSI) and speed of 1500 r/min, the noise level is as low as 57.3 dB(A). They generate low heat due to minimal power loss, allowing for reduced reservoir capacity.
Installation and Maintenance Instructions:
Key instructions include using petroleum-based oils with a viscosity range of 20 to 400 mm²/s and maintaining oil contamination within NAS Grade 10. The filling port should be positioned upwards, and flexible couplings should be used to avoid stress. Suction pressure should be maintained between -16.7 and +50 kPa, with the suction port within one meter from the oil level. Rubber hoses are recommended to prevent excessive noise from steel pipes, and an air bleed valve should be used to remove air and prevent vibration.
Control Types:
Various control types are described, including pressure compensator, solenoid-two pressure control, and proportional electro-hydraulic load sensing, each suited for specific applications like energy-saving operations or maintaining constant actuator speed.
Model and Adjustment Details:
Details on model numbers, geometric displacement, and adjustment volumes are provided, with instructions for setting discharge pressure and delivery, emphasizing not exceeding maximum intermittent pressure.
Mounting and Port Types:
Different mounting types, including foot and flange mounting, and port types such as axial and side port types are described. The axial port type is not available for the North American Design Standard. Dimensions for mounting brackets and ports are provided in both millimeters and inches.
Spare Parts and Maintenance:
A comprehensive list of spare parts, including seal kits and O-rings, is provided. The document advises specifying the seal kit number when ordering and notes that seal kits and bearings for inboard and outboard pumps are the same as those for single pumps.
Performance Characteristics:
Performance charts show input power, efficiency, and noise levels at different pressures and speeds, highlighting features such as high volumetric efficiency and reduced noise levels due to improved bearing designs.
Key Recommendations:
Ensure proper installation with the filling port at the top, use appropriate drain ports, and follow maintenance guidelines for seal and bearing replacements. Refer to specific pages for detailed dimensions and mounting bracket information.
Conclusion:
The 'A' series piston pumps are versatile and efficient, suitable for various industrial applications. Proper installation, maintenance, and control settings are crucial for optimal performance.
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Catalog excerpts

"A" SERIES PISTON PUMPS-2

Use petroleum based oils such as anti-wear type hydraulic oils or R & O (Rust and Oxidation inhibitor) type hydraulic oils equivalent to ISO VG-32 or 46. The recommended viscosity range is from 20 to 400 mm/s (98 to 1800 SSU) and temperature range is from 0 to 60 (32 to 140аF), both of which have to be satisfied for the use of the above hydraulic oils. > 2 [Recommended Drain Piping Size](Single Pump & Variable/Fixed Double Pump) Due caution must be paid to maintaining control over contamination of the operating oil which can otherwise lead to breakdowns and shorten the life of the unit. Please...

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"A" SERIES PISTON PUMPS-4

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 Open the catalog to page 4
"A" SERIES PISTON PUMPS-6

tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:8.00pt "Arial", sans-serif; } .font1 { font:9.00pt "Arial", sans-serif; } .font2 { font:10.00pt "Arial", sans-serif; } .font3 { font:12.00pt "Arial", sans-serif; } .font4 { font:15.00pt "Arial", sans-serif; } .font5 { font:17.00pt "Arial", sans-serif; } .font6 { font:4.00pt "Times New Roman", serif; } .font7 { font:6.00pt "Times New Roman", serif; } .font8 { font:7.00pt "Times New Roman", serif; } .font9 { font:10.00pt "Times New Roman", serif; } "A" Sries Piston Pumps Variable Displacement-Single Pumps 1 Pressure Compensator Type...

 Open the catalog to page 6
"A" SERIES PISTON PUMPS-7

Series Number A16 B: C: H: 1.2 - 7 (170 - 1020) 1.2 - 16 (170 - 2320) 1.2 - 21 (170 - 3050) (15.8 cm/rev) > 3 32 32 32 32K: > 2 None: A22 F: Flange Mtg. 01: Pressure Compensator Type B: C: 1.2 - 7 (170 - 1020) 1.2 - 16 (170 - 2320) Axial Port (22.2 cm/rev) > 3 3 1 A37 L: Foot Mtg. Direction of RotationViewed from Shaft End R: Clockwise(Normal) Pres. Adj. Range MPa (PSI)Control TypePort PositionShaft ExtensionDesign Std.Refer toDesign Number Keyed Shaft S: (36.9 cm/rev) > 3 B: C: H: 1.2 - 7 (170 - 1020) 1.2 - 16 (170 - 2320) 1.2 - 21 (170 - 3050) Side Port A56 (56.2 cm/rev) Mounting > 3 -R-01...

 Open the catalog to page 7
"A" SERIES PISTON PUMPS-8

Drive Speed :Hydraulic Fluid : Oil Temperature : 1500 r/minISO VG32 oil A10-A56: 50 C (122 аF) [Viscosity 20 mm/s (100 SSU)] > 2 A70-A145: 40 C (104 аF) [Viscosity 32 mm/s (150 SSU)] > 2 SOL M O ModelA10A16 A22A37 A56A90 A145A70Ruber Hose Size3/4" 800 mm (2.6 ft.) Full Cut-off Pressure P MPa (PSI)Model ח 700 mm (2.3 ft.)1/2" 2000 mm (6.6 ft.)3/4" >

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"A" SERIES PISTON PUMPS-19

Fully Extended 247(9.72)59(2.32) Filling Port [ 13(.51)19(.75) 30(1.18)77(3.03)9.5(.37)32(1.26) 195(7.68)12(.47) 22(.87) Hex. Head Plug Furnished]Drain Port 17(.67) Hex.INC. "C" Thd. 17(.67) Hex.DEC. 6.38(.2512) 6.35(.2500)R14 (R .55) > 105(4.13) 25(.98) 14(.55) 202(7.95)112(4.41)68(2.68) 58.7(2.311) Dia. Dia. 120(4.72) Dia. Suction Port 30.2(1.189)72(2.83) > 25.01(.985)24.85(.978)101.60(4.000) 32(1.26) Dia. M10 Thd. 19(.75) Deep 8 Places Pressure Adj. Screw 146(5.75)174(6.85)202(7.95) > 22.23(.8752)22.20(.8740) Discharge Port 32 (1.26) Dia. Flow Adj. Screw > 101.55(3.998) 14(.55) Dia. Through...

 Open the catalog to page 19
"A" SERIES PISTON PUMPS-20

tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:6.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:10.00pt "Arial", sans-serif; } .font3 { font:12.00pt "Arial", sans-serif; } .font4 { font:15.00pt "Arial", sans-serif; } .font5 { font:6.00pt "Times New Roman", serif; } .font6 { font:7.00pt "Times New Roman", serif; } .font7 { font:9.00pt "Times New Roman", serif; } .font8 { font:10.00pt "Times New Roman", serif; } .font9 { font:25.00pt "Times New Roman", serif; } ^^^^^^^^^^^^^^^ "A" Sries Piston Pumps A56-F-R-01 PISTON PUMPS Installation Drawing...

 Open the catalog to page 20
"A" SERIES PISTON PUMPS-21

tr.row {} td.cell {} div.block {} div.paragraph {} .font0 { font:6.00pt "Arial", sans-serif; } .font1 { font:7.00pt "Arial", sans-serif; } .font2 { font:9.00pt "Arial", sans-serif; } .font3 { font:10.00pt "Arial", sans-serif; } .font4 { font:12.00pt "Arial", sans-serif; } .font5 { font:6.00pt "Times New Roman", serif; } .font6 { font:7.00pt "Times New Roman", serif; } .font7 { font:9.00pt "Times New Roman", serif; } .font8 { font:10.00pt "Times New Roman", serif; } .font9 { font:25.00pt "Times New Roman", serif; } "A" Sries Piston Pumps A70-FR01 Installation Drawing Flange Mtg.: A70-FR01*S-60/6080/6090...

 Open the catalog to page 21
"A" SERIES PISTON PUMPS-28

PL PH SOL "OFF"SOL "ON" Output Flow MO PLPH Pressure

 Open the catalog to page 28
"A" SERIES PISTON PUMPS-29

Series NumberMountingDirection of RotationControl TypePort PositionShaft ExtensionDesign Std.Design Number Coil Type of Solenoid Valve A16 (15.8 cm/rev) > 3 32 32 32 32K: F: None: AC Flange Mtg. A100,A120A200,A240 02: Axial Port > 2 A22 (22.2 cm/rev) > 3 R: Solenoid Two Prsuure Control Type Clockwise(Normal) > 1 DC Refer to MountingDirection of RotationControl Type > 3 A37 L: S: Keyed Shaft D12,D24D48 (36.9 cm/rev) > 3 Foot Mtg.Viewed from Shaft End Side Port (AC o DC Rectified) A56 R100,R200 (56.2 cm/rev) > 3

 Open the catalog to page 29
"A" SERIES PISTON PUMPS-36

SOL "OFF"SOL "ON" Output Flow MO Pressure

 Open the catalog to page 36
"A" SERIES PISTON PUMPS-37

i1 i2 i1 Large) MO i2 o 2 Input Current i (Small i1 Output Flow m i2 Pressure MO mo Input Current i (Small 1 Large) A70/A90/A145A56 A16/A22/A37 > MO

 Open the catalog to page 37
"A" SERIES PISTON PUMPS-38

1 Pump Model NumbersName of PortSuction Discharge Suction Discharge Suction Discharge Suction Discharge A16- N. American Design StandardJapanese Standard "JIS" & European Design StandardA37- -R-04 A22- -R-04A70- > 2 2 2 2 2 2 2 -R-04 A56- -R-04A90- R04 Japanese Standard "JIS"European Design StandardN. American Design StandardJapanese Standard "JIS" & European Design StandardN. American Design StandardThreaded ConnectionSocket WeldingButt WeldingPipe Flange Kit NumbersF5-06-A-10 F5-10-A-10 F5-06-A-10 F5-12-A-10 F5-10-A-10 F5-16-A-10 F5-10-A-10 F5-06-A-1080 F5-10-A-1080 F5-06-A-1080 F5-12-A-1080...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.