| Description |
| Completely encapsulated mechanism for protection against dirt. Five chamber design for better reduction in dynamic forces and longer valve life. Mounting styles -- Subplate body. Available as spring centred, spring off-set or detented model. Operating head can be rotated by 90° x 4 around spool axis for flexibility in mounting. Valve mounting interface conforms to International and National Standards. Port configuration conforms to Factory Standards. |
|
| Section |
| Unit Dimensions |
Subplate mounting body
O'Ring size at port P,A,B,T : 12 i.d. x 2 c.s.d.
| Subplate |
Subplate |
ØD1 |
ØD2 |
T1 |
Approx. |
Valve fixing |
Tightening |
G101 |
22 |
G1/4 |
13 |
1.1 kg. |
M6 x 50 L, 4 nos. |
15 Nm |
G102 |
25 |
G3/8 |
13 |
|||
G103 |
30 |
G1/2 |
15 |
| Technical Specifications |
| Construction .....................….............. | Spool type. |
| Mounting ........................................... | Subplate body. Interface as per ISO 4401 - AC - 05 -4 - A and IS 10187 - 10 mm diameter nominal port. |
| Mounting position .............................. | Optional. |
| Flow direction .................................... | As per spool type. |
| Operating pressure ............................ | For port P, A and B .....
350
bar. (Standard Valve) For port P, A and B ..... 700 bar max. (High pressure) For port T .................... 100 bar. (Both type) |
| Hydraulic medium ............................. | Mineral oil. |
| Viscosity range ................................. | 10 cSt to 380 cSt. |
| Fluid temperature range .................... | -20 °C to +70 °C. |
| Fluid cleanliness requirement ............ | As per ISO 16/13 or better. |
| Maximum flow handling capacity ....... | Refer performance curves.
(standard valve) Multiply the curve values by 10 (High pressure valve) |
| Mass ............................................... | 5.6 kg APPROX (Subplate body). |
Performance Curves
Oil used : ISO VG 68, Viscosity : 68 cSt @ 40º C, Temp. @ test : 50º C.
Table showing the relation between the spool
type, direction
of flow and curve in the above graph to be referred to.
Spool type |
Direction of flow / Curve no. |
||||
P to T |
P to A |
P to B |
A to T |
B to T |
|
A |
-- |
1 |
1 |
-- |
-- |
C |
-- |
1 |
1 |
2 |
3 |
E |
-- |
1 |
1 |
2 |
3 |
F |
4 |
1 |
1 |
7 |
3 |
G |
4 |
1 |
1 |
2 |
3 |
H |
5 |
6 |
6 |
7 |
8 |
J |
-- |
1 |
1 |
7 |
8 |
L |
-- |
1 |
1 |
7 |
3 |
M |
-- |
6 |
6 |
2 |
3 |
P |
4 |
1 |
1 |
2 |
8 |
Q |
-- |
1 |
1 |
2 |
3 |
W |
-- |
1 |
1 |
2 |
3 |
| Ordering Informations |
Note : Subplate to be ordered separately
Note : Subplate to be ordered separately
| All rights reserved. Subject to revision. |
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Regd. office & Works : |
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Copyright ©
Polyhydron Pvt. Ltd. Belgaum, India. |
Updated on May 11, 2010 05:19 pm .
