Spare Parts Guide 1/2" to 6" 25P, 25PE, 25PT, 25PTE, 25PA, 25BP, Pilots

Spare Parts Guide 1/2" to 6" 25P, 25PE, 25PT, 25PTE, 25PA, 25BP, Pilots
25 Series Spare Parts Guide
1/2" to 6" Pilots
Spare Parts – Pressure Pilot, P & BP
Spare Parts – Temperature Pilot see TI-1-1123-US
Cover Plate w/ Retaining Ring
A4, B4
Pilot Screws w/ Gasket
B, W
Adjustment Screw w/ Nut, and Upper G4, H4
and Lower Spring Support Discs
J4
Adjustment Spring
K4
Specify controlled pressure and spring color
Yellow 3 to 30 psi
Blue
20 to 100 psi
Red
80 to 250 psi
Diaphragm (2)
L4
Stem Guide w/ Gasket (25P, 25PA) M4, N4
Stem Guide and Seal Gasket (25BP) P4, Q4
Head & Seat Assembly w/ Gasket S4, T4
(25P, 25PA & 25MP)
Head & Seat Assembly (25BP)
U4, V4
Square Gasket for all Pilots
W
(set of 3)
Thermal System (T1, T2, T3, T10, T11, T12) A2
State bulb style, capillary tube length
& temperature range
Well (T5, T6, T7, T8, T4)
B2
State bulb style
Wall Mounting Bracket (T9)
State bulb style
C2
Complete Pilot Body Assembly
D2, W
Head & Seat Assembly
E2, W
(Specify 15 psig or below Assembly or Standard)
G4
B4
A2
A4
F2
H4
B2
C2
K4
J4
E2
L4
B
M4, P4
D2
N4, Q4
W
T4, V4
S4, U4
W
Local regulation may restrict the use of this product below the conditions quoted. Limiting conditions refer to standard connections only.
In the interests of development and improvement of the product, we reserve the right to change the specification.
TI-3-0271-US 4.12
25 Series Spare Parts Guide
1/2" to 6" Pilots
Spare Parts – Electric Pilot
NEMA 4 & 7 Solenoid
specify voltage and steam pressure
Complete "E" Pilot Body Assembly
Spare Parts – PA (air loaded) Pilot
C3
Pilot Mounting Screws
Lower Diaphragm (2)
Upper Diaphragm for PA4
Upper Diaphragm for PA6
Stem Guide w/ Gasket
Head & Seat Assembly w/ Gasket
Square Gasket for all Pilots
B3, W
W
B3
F2
L4
L5
L5
M4, N4
S4, T4
W
PA
C3
L4
F2
M4
N4
W
How to Order
Always order spares by using the description given in the first
column under Spare Parts, stating the valve size and material.
When ordering temperature pilots, specify the bulb style, capillary
length and temperature range.
When ordering electric pilots, specify electrical characteristics,
pressures and size of main valve.
T4
S4
PA4, PA6
L5
Example: 1 – Thermal System style T1 for 2" Spirax Sarco 25PT
Pressure Temperature control with 8-ft capillary tubing and
temperature range 120˚F to 180˚F.
1 – NEMA 4 Solenoid for 1½" Spirax Sarco 25PE
Reducing Valve with 115 volt, 60 Hz AC coil steam pressure 200
psi.
L4
F2
M4
See installation and maintenance instructions supplied
with each valve, copies are available on request.
W
T4
S4
Spirax Sarco, Inc., 1150 Northpoint Blvd, Blythewood, SC 29016
TI-3-0271-US
Telephone: (803) 714-2000 FAX (803) 714-2222
© Spirax Sarco, Inc. 2012
N4
Maintenance
4.12
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