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Bulletin 2531-M9/USA
Model Code
Contents
D
1V
Directional
Basic
Control Valve
Valve
NFPA D03
CETOP 3
Code
A
2531-M9.pm6, sm, jj
Hydraulics
A
Actuator
Spool
Description
Air Operator
Code
Symbol
A
B
1
P
T
A
B
2
P
T
A
B
4
P
T
A
B
8 *
P
T
A
B
9 **
P
T
A
B
81*
P
T
A
B
82
P
T
* 8 and 81 spools have closed
crossover.
** 9 spool has open crossover.
Directional Control Valves
Series D1VA
Series D1VW, B Style
Style
Seal
Compound
Code
Description
N
Nitrile
V
Fluorocarbon
E
EPR
Code
Omit
P10*
* Available in B, E, H & K
styles only.
Not CE or CSA
approved.
Code
Single operator, two position
B
spring offset.
P to A and B to T in offset position.
Double operator,
C
three position,
spring centered.
Double operator,
D
two position,
detent.
Two position, spring offset
E
to center. P to B and A to T
in offset position.
Single operator, two position,
H
spring offset. P to B and A to T
in offset position.
Two position, spring offset
K
to center. P to A and B to T
in offset position.
This condition varies
with spool code
1
Variations
Design
Series
Not Required
When Ordering
Description
Standard
Monitor Switch
90
BSPP Threads
Description
A
B
P
T
A
B
P
T
A
B
P
T
A
B
P
T
A
B
P
T
A
B
P
T
Parker Hannifin Corporation
Hydraulic Valve Division
Elyria, Ohio 44035 USA
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