WEBTEC 280 Serie Manual Del Usuario página 5

Table 4: Valve Options
Mount Type
Code
Standard Panel
A
l
B
l
C
l
D
l
E
l
F
l
G
l
H
l
J
K
L
M
Table 5: Position Type
Code Position Options
3X Standard 3 positions
2R 2 Position, Centre & Right only
2L 2 Position, Centre & Left only
Table 6: Port Type
Code Port Options
4Y Standard 4 ports
3A 3 Side Ports, port A open (B plugged)
3B 3 Side Ports, port B open (A plugged)
Notes and Exceptions
1
*
All NPTF threads are to ANSI B1.20.3 -1976 Class 1. As stated in the standard it is
recommended that "sealing is accomplished by the means of a sealant applied to the
thread". NPT fittings may also be used to connect to NPTF ports (also with a sealant applied
to the thread)
2
*
Maximum Tank line pressure is 100 bar (1450 psi).
3
*
Manifold Mount type (selected on Table 4) is used only in conjunction with the manifold
mount O' ring port type (Code C on table 2)
4
*
The spring return option has impaired performance above 207 bar (3,000 psi)
Handle Type
Manifold * Straight Cranked
3
l
l
l
l
l l
l l
l
l
Action
Detent Spring *
l
l l
l
l
l l
l
l
l l
l
Symbol
A B
P T
A B
P T
A B
P T
Symbol
A B
P T
A
P T
B
P T
4
l
l
l
l
l
l
3