Control systems Pressure reducing/surplussing valves
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Spare parts for the DN25 to DN100 valves The spare parts available for sizes DN25 and DN100 valves are detailed below. No other parts for these sizes are supplied as spares. Available spares Coupling A Diaphragm set Diaphragm and sealing washer. B , C Needle bearing D Sealing bellows set Sealing bellows assembly and sealing bellows gasket E , F Control spring(s) I How to order spares 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. How to fit spares Full fitting instructions are given in the Installation and Maintenance Instructions supplied with the spare(s).
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.
Seat/head set DN25 to DN50
J , K , L , W , H , G
Head set DN65 to DN100
L , H , W , G , M
Balancing bellows set DN25 to DN50
N , M , G , H , F
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Balancing bellows set DN65 to DN100
N , M , G , H
Gasket set DN25 to DN50
F , G , K , M
H W
L
Sealing bellows gasket, bonnet gasket and balancing bellows gasket.
Gasket set DN65 to DN100
F , G , M
G
Spindle guide, bearing bush, spindle seal 'O' ring, housing seal 'O' ring and circlip.
M
Actuator spindle guide assembly
P , R , S , T , V
N
I
E
F
R
T
P V
A S
D
B
C
DN25 to DN100
TI-P205-01 CTLS Issue 12
Page 9 of 11
DEP7 SG Iron Excess Pressure Valve
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