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Series: Model Number

This document provides specifications and assembly details for the GPY series gear pump. Key details include: 1. The model number coding indicates features like series, size, port configuration, mounting, and shaft rotation. 2. Specifications include displacement, rated pressure, speed range, and mass for various pump sizes. 3. A typical assembly diagram shows the main internal components and materials. 4. Outline dimensions are provided for the pump with flange ports, including the port locations and mounting dimensions. Notes provide additional information on rotation direction and tolerances.

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robbi kurniawan
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80 views2 pages

Series: Model Number

This document provides specifications and assembly details for the GPY series gear pump. Key details include: 1. The model number coding indicates features like series, size, port configuration, mounting, and shaft rotation. 2. Specifications include displacement, rated pressure, speed range, and mass for various pump sizes. 3. A typical assembly diagram shows the main internal components and materials. 4. Outline dimensions are provided for the pump with flange ports, including the port locations and mounting dimensions. Notes provide additional information on rotation direction and tolerances.

Uploaded by

robbi kurniawan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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C621-E013A

GPY Series

◆Model number
GPY − 12 A 1 S 2 − L XXX
❶ ❷ ❸ ❹ ❺ ❻ ❼ ❽ ❾
❶ Series number ❹ Position of ports ❻Mounting ❽ Rotation viewing from shaft end
GPY series A : side ports S : horizontal 4 bolts L = counterclockwise
❷ Mounting spigot diameter ❺ Port configuration ❼ Shaft end R = clockwise
− : φ50.774 0  
−0.05 1 : flange port 1 : JIS Spline ❾ Code number in 3 figures
❸ Size 2 : G screw thread 3 : Oldham

◆Specifications
Displacement Rated pressure Speed min-1 Mass
Size Inlet pressure
cm3 in3 MPa bar psi MIN. MAX. kg lb
3 2.94 0.179 700
4 4.05 0.247
bar
5.8 5.70 0.348 20.6 206 2987 -0.20~0.30 1.2 2.64
7 6.99 0.426 3000
MPa
8 7.91 0.483
500 -0.02~0.03
9 8.83 0.539
17.2 172 2494
10 9.93 0.606 psi
-2.9 ~4.35 1.4 3.08
11.5 11.4 0.695
13.7 137 1987 2500
12 11.8 0.720

◆Typical assembly
Item
Name QTY Material
No.
3 12 11 7 8 2 6 ❶ Body 1 Aluminum alloy
❷ Rear cover 1 Aluminum alloy
❸ Drive gear 1 Alloy steel
❹ Driven gear 1 Alloy steel
❺ Side plate 2 Special alloy steel
❻ Bush 4 Special alloy steel
❼ Gasket 2 Nitrile rubber
❽ Gasket 1 Nitrile rubber
❾ Bolt 4 Alloy steel
Washer 4 Carbon steel
Oil seal 1 Nitrile rubber
Retainer ring 1 Carbon steel
Steel ball 2 Alloy steel
NOTES : “QTY” shows the amount per one
1 5 4 13 10 9
GPY Series

◆Outline dimensions dimensions in mm

GPY−□A1S□−LXXX (Flange ports)

Rotation
L2
8-M6(P=1)
depth 14 min. L1 80
INLET port and 4-φ9
OUTLET port 8 63.5±0.2
51 51
3.8

37
.2
29

25
.2

63.5±0.2
±0
GPY-XXLXXX

.2

80
XXX
OUT
IN

12.7
54

MADE IN JAPAN
32
□

.2
±0
.2
25

.2
37
INLET port and OUTLET port
2-φ16
See “Shaft end”

See “Model number” coding

NOTE 1. Figure shown indicated counterclockwise rotation “L”


Size L1 L2
viewing from shaft end. Clockwise rotation “R” is
mirror image of this. 3
2. Unless otherwise specified, tolerance on dimension 4
are ±1.0 mm. 5.8 39.9 78
7
8
9
10
43.7 91
11.5
12

●Shaft end
JIS Spline (14×12×1)

30
No. of tooth : 12
φ13.8 -0.043
φ11.6

20 Module : 10
0

Pressure angle : 20º


Over pin dia. : 15.517∼
15.448
Pin dia. : φ1.8

Fluidics Systems Division


The appearances and specifications are subject to change for reasons of improvement without notice.

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