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Vickers PVQ25 Piston Pumps

PVQ25 B2 R - SE 1 S - 20 C******* D - **- S*

PVQ25 P - Inline Piston pump
V - Variable Volume
Q - Quiet Seriesdisplacement - (CC/Rev & Pressure Ratings
25 - 25,2 CC/Rev (1.54 CIR) 207 bar (3000 psi)
B2 mounting flange
b2 - SAE J744-101-2 (B, 2 bolt)
mb - ISO 3019/2 "B" 2-bolt (Available with "N" drive shaft only)
R rotation - Viewed From Shaft End
R - Clockwise, Right Hand Rotation
L - Counter Clockwise, Left Hand Rotation
SE
-
Ports - (Type & Location)
sE - Inch O-Ring boss rear port 1.0625" inlet & outlet (standard)
1 Shafts (input)
1 - Straight Keyed SAE "B" modified 2.31 inches long
3 - Splined SAE "B" modified 13T, 16/32 DP major diameter fit
N -ISO 3019/2 E25N (Available with "MB" mounting only)
S Seals
S -Buna N (Standard)
20
-
Pump Design Number
20 - Design Number Subject to Change. Installation dimensions remain unchanged for designs 20 - 29.

C **
***
***
pump control options

C** - Pressure Compensator, Standard Setting 21 in tens of bar (Max setting 201 bar) Range 02 - 21 in tens of bar

CM** -Pressure Compensator; Standard setting of 10 in tens of bar (Max Setting 103 bar) Range 02-10 in tens of bar(350 - 1500 psi)
C**V**B - Pressure Compensator; C** as above, with load sensing. Standard load sensing setting is 11 bar (160 psi) Range 10 - 17 bar (150 - 250 psi), with bleed down oriface. Example: C21V11B indicates PVQ25 compensator with 207 bar pressure setting & 11 bar load sense differential.
C**V**P - Pressure Compensating with load sensing as
C**V**B above, but with bleed down oriface plugged
C**VC**B - Pressure Compensating with load sensing. Compensator same as C** above. Standard load sensing setting is 24 bar (350 psi). Range 17 - 31 bar (250 - 450 psi) with bleed down oriface
C**VC**P - Pressure Compensating with load sensing. Compensator same as C** VC**B above. Plug bleed down oriface.
CG - Pressure compensator modified For hydraulic remote control.
CD**** - Electric Dual range compensator. PVQ25: Standard Model is CD21 Standard 207 bar settingof high range (24 - 207 bar. Unit requires low range to be set by customer (20 - 100 bar.
UV - Unloading Valve for accumulator circuits
* Control Option
Blank - Without adjustable maximum displacement stop (standard)
D- Max. adjustable displacement stop (optional)
11 Control design number
10 - For C** & CM**
11 - For C**D & CM**D
12 - For C**V(C)**B & C**V(C)**P
20- CD**** & CG
S* Special Suffix
S2 - Shaft up mounting
S3 - British standard parallel threads (Counter bore ports (ISOR288 threads).
S9 - Special CG Compensator for use with electronically modulated relief valves

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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It is not to be implied that any item is the product of these manufacturer's.