The spare parts available for sizes DN25 and DN100 valves are detailed below. No other parts for these sizes are supplied as spares.
Coupling
Diaphragm set
Needle bearing
Sealing bellows set
Control spring(s)
Seat/head set DN25 to DN50
Head set DN65 to DN100
Balancing bellows set DN25 to DN50
Balancing bellows set DN65 to DN100
Gasket set DN25 to DN50
Gasket set DN65 to DN100
Actuator spindle guide assembly
A
B, C
D
E, F
I
J, K, L, W, H, G
L, H, W, G, M
N, M, G, H, F
N, M, G, H
F, G, K, M
F, G, M
P, R, S, T, V
Diaphragm and sealing washer.
Sealing bellows assembly and sealing bellows gasket
Seat, seat gasket, head, self-locking nut, head seal and bonnet gasket.
Head, head seal, self-locking nut, bonnet gasket and balancing bellows gasket.
Balancing bellows assembly, balancing bellows gasket,
bonnet gasket, head seal and sealing bellows gasket.
Balancing bellows assembly, balancing bellows gasket,
bonnet gasket and head seal.
Sealing bellows gasket, bonnet gasket,
seat gasket and balancing bellows gasket.
Sealing bellows gasket, bonnet gasket and balancing bellows gasket.
Spindle guide, bearing bush, spindle seal 'O' ring, housing seal 'O' ring and circlip.
Always order spares by using the description given in the column headed 'Available spares' and state the size and type of valve.
Example: 1 - Gasket set for a DN25 DEP7B1 excess pressure valve.
Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare(s).
L
G
I
E
W
H
M
N
F
R
V
T
P
A
S
D
C
B
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