PRODUCT CROSS REFERENCE (CONTINUED)
Pressure & Temperature Regulators
PILOT-OPERATED REGULATING VALVES Description Watson McDaniel
Spence Nicholson
Spirax Sarco
Fisher Controls
Armstrong
Hoffman
External Pilot-Operated Main Valve, Ductile Iron Pressure Pilot
HD
GP
E
25
2100
92
PP
GP-2000
D
P
SPS
92B
T124
Temperature Pilot
PT/PTU
OB-2000
T
STPA
T14 T14
Temperature Pilot w/ Dial
PTRP
Air Pilot
PA BP SP
GP-2000K GP-2000R GP-2000 OBK-2000
A
A
AP
Back Pressure Pilot
Q M
BP
Solenoid Pilot
E
Pneumatic Temperature Controller
PTL/PTR
T61/62/63/64
Differential Pressure Pilot
PDP
Type N
SELF-CONTAINED PRESSURE REDUCING VALVES Description Watson Armstrong
Spence Nicholson
Spirax Sarco
Hoffman
Watts
TLV
McDaniel
GD30
Cast Iron,
O-Series
D-50
BRV
754
152
Steam, Water & Air Service
GD6(N) GP-1000 GP-18/28
Ductile Iron, Piston Actuated
COSR
High-Capacity
402/403
ACOSR
Steam & Air Service
GP-1
Bronze & Cast Iron Water, Air & Oil Service
B-Series
GD-200
D-34
740
223
TEMPERATURE REGULATING VALVES Description Watson
Spence Nicholson
Trerice
Powers
Hoffman
McDaniel
Direct Acting, Heating
H175*
91000 91400 91000 91400
11
2000
1140
w/ Dial
H175T**
Reverse Acting, Cooling
C153*
11
2000
1140R
w/ Dial
C153T**
1140
Heating or Cooling,
W91
91000
11
2000
w/o Dial
1140R
1140
Heating or Cooling,
W94
91400
11
2000
w/ Dial
1140R
* Watson McDaniel Models 175 & 153 were upgraded to Model W91. ** Watson McDaniel Models 175T & 153T were upgraded to Model W94.
BACK PRESSURE / RELIEF VALVES Description Watson
Fisher Controls
McDaniel
Bronze & Cast Iron Water, Air & Oil Service Bronze
3040
98H
R-Series &
Water Service
10691
146
www.watsonmcdaniel.com •• Pottstown PA • USA • Tel: 610-495-5131
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