SQP single/double/triple vane pump specifications
SQP Series Single/Double/Triple Vane Pump Specifications and Models (Tokimec)
1. Model Naming Rules
Complete model format of SQP vane pumps:
(F3/F11)-SQP(S)X(-XX-XX-XX)-XX-XX-(F)-(LH)-XX|
Component
|
Meaning
|
Description
|
|
Prefix
|
Working Medium
|
F3 = Phosphate ester hydraulic oil, F11 = Water-glycol hydraulic fluid, No mark = Petroleum-based hydraulic oil
|
|
SQP(S)
|
Series Code
|
SQP = Standard type, SQPS = Pulsation damping type
|
|
X/XX/XXX
|
Pump Type & Displacement
|
Single pump (X), Double pump (XX), Triple pump (XXX), followed by displacement code
|
|
XX
|
Shaft Type
|
1 = Standard shaft, 86 = Reinforced shaft, 11 = Spline shaft
|
|
XX
|
Oil Port Position
|
Viewed from pump cover end, e.g. C, D, CC, DC, etc.
|
|
F
|
Mounting Type
|
F = Flange mounting, No mark = Standard mounting
|
|
LH
|
Rotation Direction
|
LH = Counterclockwise, No mark = Clockwise
|
|
XX
|
Design Code
|
e.g. 18, 182, etc.
|
2. Single Vane Pump (SQP1/SQP2/SQP3/SQP4)
2.1 Basic Series
-
SQP1: Mini specification, maximum pressure 14MPa, displacement range 2-14cm³/rev
-
SQP2: Small specification, maximum pressure 17.5MPa, displacement range 10-21cm³/rev
-
SQP3: Medium specification, maximum pressure 17.5MPa, displacement range 17-38cm³/rev
-
SQP4: Large specification, maximum pressure 17.5MPa, displacement range 45-66cm³/rev
2.2 Specific Displacement Models
|
Series
|
Displacement Code
|
Displacement (cm³/rev)
|
Series
|
Displacement Code
|
Displacement (cm³/rev)
|
|
SQP1
|
2,3,4,5,6,7,8,9,10,11,12,14
|
2.0-14.0
|
SQP3
|
17,21,25,30,32,35,38
|
17.0-38.0
|
|
SQP2
|
10,12,14,15,17,19,21
|
10.0-21.0
|
SQP4
|
45,50,57,60,66
|
45.0-66.0
|
2.3 Model Examples
-
SQP1-10-1C-18 (Single pump, 10cm³/rev, standard shaft, C-type oil outlet, clockwise rotation)
-
SQP3-35-86DC-182 (Single pump, 35cm³/rev, reinforced shaft, DC-type oil outlet, clockwise rotation)
3. Double Vane Pump (SQP21/SQP31/SQP32/SQP41/SQP42/SQP43)
3.1 Basic Series
-
SQP21: Dual pump with both stages of SQP2 specification
-
SQP31: First stage SQP3, second stage SQP1
-
SQP32: First stage SQP3, second stage SQP2
-
SQP41: First stage SQP4, second stage SQP1
-
SQP42: First stage SQP4, second stage SQP2
-
SQP43: First stage SQP4, second stage SQP3
3.2 Displacement Combination Rules
-
First stage (shaft side) displacement code: SQP2*=10-21, SQP3*=17-38, SQP4*=45-66
-
Second stage (cover side) displacement code: SQP*1=2-14, SQP*2=10-21, SQP*3=17-38
3.3 Model Examples
-
SQP21-17-14-1CC-18 (Double pump, shaft side 17cm³/rev, cover side 14cm³/rev, standard shaft, CC-type oil outlet)
-
SQP43-60-32-86D-18 (Double pump, shaft side 60cm³/rev, cover side 32cm³/rev, reinforced shaft, D-type oil outlet)
4. Triple Vane Pump (SQP211/SQP311/SQP321/SQP421/SQP431/SQP432)
4.1 Basic Series
-
SQP211: Triple pump with all stages of SQP2 specification
-
SQP311: First stage SQP3, second and third stage SQP1
-
SQP321: First stage SQP3, second stage SQP2, third stage SQP1
-
SQP421: First stage SQP4, second stage SQP2, third stage SQP1
-
SQP431: First stage SQP4, second stage SQP3, third stage SQP1
-
SQP432: First stage SQP4, second stage SQP3, third stage SQP2
4.2 Displacement Combination Rules
-
First stage (shaft side): SQP2**=10-21, SQP3**=17-38, SQP4**=45-66
-
Second stage: SQP*1*=2-14, SQP*2*=10-21, SQP*3*=17-38
-
Third stage (cover side): SQP**1=2-14, SQP**2=10-21, SQP**3=17-38
4.3 Model Examples
-
SQP211-10-10-10-1C-18 (Triple pump, all stages 10cm³/rev)
-
SQP432-66-38-21-86DC2-18 (Triple pump, shaft side 66cm³/rev, middle stage 38cm³/rev, cover side 21cm³/rev)
5. Main Performance Parameters
|
Series
|
Max Working Pressure (MPa)
|
Max Speed (r/min)
|
Applicable Medium
|
Features
|
|
SQP1
|
14
|
1800
|
Petroleum-based oil, water-glycol, phosphate ester
|
Low noise, cartridge vane structure
|
|
SQP2
|
17.5
|
1800
|
Same as above
|
Same as above
|
|
SQP3
|
17.5
|
1800
|
Same as above
|
Same as above
|
|
SQP4
|
17.5
|
1800
|
Same as above
|
Same as above
|
Note: The SQPS series adopts an additional pulsation damping structure for lower noise, with the same model naming rules as the standard SQP series.
