A Polyhydron Group Company
Description
Hydraulic symbol
STANDARD COVER
Model : CVC*X
Ref. No. D 03417
Release 11/2014
ENGINEERING - 1 of 2
78-80, Machhe Industrial Estate,
Machhe, Belgaum - 590 014. INDIA.
Phone : +91-(0)831- 2411001
Fax : +91-(0)831- 2411002
E-mail : polyhydron@gmail.com
Website : www.polyhydron.com
The covers CVC*X are designed to hold polyhydron make Cartridge valves model
CV*** in cavities machined as per ISO 7368, and to provide oil passage to their
control port C via X port provided on the cover to control the opening and closing
operation of the cartridge valve.
The passage has an orifice screwed into it, for influencing the rate of opening and
closing of the poppet of the cartridge valve, there by reducing / eliminating shocks
in the main circuit oil flow. The threaded port on the cover can also be used for
diagnostic purpose or for parallel supply of oil to some other function. This is
particularly useful for the onsite modifications to the circuit.
Function : To hold Polyhydron Cartridges in cavity machined as per ISO 7368.
To provide oil passage to the control port C via X port provided on the cover
to control the opening and closing operation of the cartridge valve.
Mounting interface : As per ISO 7368
Hydraulic medium : Mineral oil.
Temperature range : -20°C to + 80°C.
Viscosity range : 10 cSt to 380 cSt.
Fluid cleanliness required : ISO 4406 20/18/15 or better.
Technical specifications
X
X
C
X
A
B
C
B
A
Section
All rights reserved.
Subject to revision
Cartridge Valve Cover
CVC
16 X P
10
Unit dimensions
Ordering code
Dimensions in mm.
Size 16, 25, 32 and 40.
installation dimensions remain
Design code subjected to Change .
same for design code 10 thru 19.
Control area connected to Port X.
L4L4
L5
D1
L1
L1
L2L3
L6
X
Size
L1 L2 L3 L4 D1
65
85
102
125
32.5
42.5
51
62.5
23
29
35
42.5
10.5
16
17
23
3
5
5
5
L5
25
33
41
50
L6
69.5
89
106
130
H2
H3
H1
H1 H2 H3
35
40
50
60
20
25
30
30
Mass
Kg.
apprx
D2
A/F2
D2 A/F1
5
6
6
10
6
10
14
17
A/F2
A/F1
*M. 4 nos. Cover fixing
S.H.C. Screw (Class 12.9)
*M
M8 x 50 Long
M12 x 45 Long
M16 x 55 Long
M20 x 70 Long
Tightening
Torque.
39 Nm
135 Nm
330 Nm
650 Nm
Note:
Mounting interface for cover as per ISO 7368,
for dimensional details and engineering data
refer Cartridge valve data sheet D03426.
* Cover fixing S.H.C Screws are OUT OF SCOPE
OF SUPPLY.
1.0
2.1
4.0
7.5
5
12
18
24
30
Additional threaded port P
in cover parallel with
connection port.
A Polyhydron Group Company
D 03417-CVC*X
ENGINEERING - 2 of 2
2
2
2
2
C
L4L4
16
25
32
40
