SPENCE D Series - Specifications; Available Configurations; Maximum Inlet Temperature; Maximum Inlet Pressure

Specications
The Specications section gives some general specications for the D Series pilot. The nameplates give detailed
information for a specic pilot as built in the factory.
Available Configurations
Type D: For ±1 psi / 0.07 bar control of delivery
pressures between 3 and 150 psi / 0.21
and 10.3 bar.
Type D2: For control of delivery pressures
between 100 and 300 psi / 6.90 and
20.7 bar.
Type D5: For ±1/2 psi / 0.03 bar control of delivery
pressures between 1 and 25 psi / 0.07
and 1.72 bar.
Type D120: Fast response controlling delivery
pressures between 5 and
300 psi / 0.35 and 20.7 bar. Used on
large Type E main valves.
Maximum Inlet Temperature
(1)
Cast Iron: 450°F / 232°C
Steel: 750°F / 400°C
Maximum Inlet Pressure
(1)
Cast Iron: 250 psig / 17.2 bar
Steel: 600 psig / 41.4 bar
Pressure Ranges
(1)
Type D: 3 to 150 psig / 0.21 to 10.3 bar
Type D2: 100 to 300 psig / 6.90 to 20.7 bar
Type D5: 1 to 25 psig / 0.07 to 1.72 bar
Type D120: 5 to 300 psig / 0.35 to 20.7 bar
Construction Materials
Body: Cast Iron, Steel
Stem, Disk, Seat and Diaphragm: Stainless steel
Gasket: Grafoil
Spring: Inconel
®
Approximate Weights
Type D: 7 lbs / 3.2 kg
Type D2: 10 lbs / 4.5 kg
Type D5: 14 lbs / 6.4 kg
Type D120: 16 lbs / 7.3 kg
Optional Accessories
Spring Chamber
Adjusting Handwheel
Wall Bracket
Locking Device
Composition Disk
Integral Mount Body
Vacuum Spring Assembly
1. The pressure/temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded.
TYPE
PRESSURE RANGE,
psig / bar
ADJUSTING SPRING
Wire Diameter, In. / mm Part Number Color
D
3 to 20 / 0.21 to 1.38
(1)
3/16 / 4.76 WAL05-05007-00 Aluminum
5 to 50 / 0.35 to 3.45
(1)
1/4 / 6.35 WAL05-05003-00 Orange
10 to 100 / 0.69 to 6.89 5/16 / 7.94 WAL05-05005-00 Green
20 to 150 / 1.38 to 10.3 11/32 / 8.73 WAL05-05012-00 Black
D2 100 to 300 / 6.89 to 20.7 7/16 / 11.1 WAL05-04990-00 Aluminum
D5
1 to 10 / 0.07 to 0.69 3/16 / 4.76 WAL05-05007-00 Aluminum
5 to 25 / 0.35 to 1.72 1/4 / 6.35 WAL05-05003-00 Orange
D120
5 to 25 / 0.35 to 1.72 7/32 / 5.56 WAL05-05016-00
Not Specified on
Purchasing Specification,
Item Details or Drawing.
10 to 75 / 0.69 to 5.17 5/16 / 7.94 WAL05-05028-00
40 to 150 / 2.76 to 10.3 3/8 / 9.53 WAL05-05030-00
100 to 300 / 6.89 to 20.7 7/16 / 11.1 WAL05-04990-00 Aluminum
1. Vacuum Spring Assembly, minimum range is 30 in. Hg / 1.02 bar; maximum is reduced by 15 psig / 1.03 bar.
Table 1. D Series Spring Pressure Ranges
Inconel
®
is a mark owned by Special Metals Corporation.
2
D Series