Moog D633-A Series, User Manual

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3 Product Description Nameplate
© Moog GmbH User Manual "D633-A Series" (CA80942-001; Version 1.0, 12/08) 22
3.5.2.6 Fail-safe identification
Fail-safe identification
(6th position in type
designation)
The fail-safe identification, i.e., the 6th position in the valve type designation,
indicates which mechanical fail-safe function is integrated in the valve.
Overview of type designation:
Ö
Chapter "3.5 Nameplate", page 18
3.5.2.7 Y-identification
Y-identification
(7th position in type
designation)
The Y-identification, i.e., the 7th position in the valve type designation, indi-
cates how leakage port Y is configured in the valve.
Overview of type designation:
Ö
Chapter "3.5 Nameplate", page 18
3.5.2.8 Sealing material identification
Sealing material
identification
(8th position in type
designation)
The sealing material identification, i.e., the 8th position in the valve type desig-
nation, indicates the sealing material of the port O-rings of the valve.
Overview of type designation:
Ö Chapter "3.5 Nameplate", page 18
Type designation:
1 2 3 4 5 6 7 8 9 10
A
• •
K
•
5
• • • • •
Ident. Fail-safe function Further information
F Valves with fail-safe function F Ö Table 1, page 14
Ö Chapter "3.2.1.1 Valves with fail-safe
function F, D or M", page 14
D Valves with fail-safe function D
M Valves with fail-safe function M
X Valves with special fail-safe function
Table 10: Fail-safe identification in the type designation
fail-safe identification
Type designation:
1 2 3 4 5 6 7 8 9 10
A
• •
K
•
5
• • • • •
Ident. Leakage port Y Can be used at
0 Closed, with screw plug Pressure in tank port p
T
≤
50 bar (725 psi)
3 Open, with filter element Pressure in tank port p
T
>
50 bar (725 psi)
Table 11: Y-identification in the type designation
Y-identification
Type designation:
1 2 3 4 5 6 7 8 9 10
A
• •
K
•
5
• • • • •
Ident. Sealing material
H HNBR
V FKM
E EPDM
Table 12: Sealing material identification in the type designation
sealing material identification