Model 80D0 pages
Model 80D Multi-Stage Pressure Regulator
Model
SOD
Features
• Force balance and 2 stage pilot control to
minimize droop.
■ Excellent frequency response to eliminate
output pressure excursions.
• Compact size for installation where space
is limited.
■ Sapphire Orifice provides precise control of
pilot control air flow.
* Low air consumption for efficient
operation.
■ Available in 1/8", 1/4" and 3/8" NPT
port sizes.
Operating Principles
The Model 80D is a precision two-stage
device that incorporates a force balance
design with pilot control. This compact, high
quality unit combines the flow capacity of a
process regulator with the precision of an
instrument regulator.
RANGE SPRING
SUPPLY VALVE
SPRING
FIGURE 1 1/8" NPT Regulator
- 1.88 Dl A.— |
I |
5.06
1 1/4-18NEF-2A
FOR "P" OPTION
EXHAUSTVENT
10-32UNF-2B
FOR "E" OPTION
1/ B NPT GAUGE PORT
UT
1/8 NPT
(net and Outlet)
2.66
.53
FIGURE 2 1/4" & 3/8" NPT Regulator
5,44
1 1/4-18NEF-2A
FOR "P" OPT ON
EXHAUST VENT
10-32 UNF-2B
FOR "E" OPT ON
1/8 NPT GAUGE PORT
OUT
---2.13 —
3.66
288
2.55
.59
-TAMPER PROOF
OPT ON "T
ATMOSPHERIC
-VENT
L5
IN
- 1.68 SQ -
.1/8NPT
j—S
-TAMPER PROOF
DPI ON T
3/8 or 1/4 NPT
(Inletand Outlet]
O
IN
-1.68-
ATMOSPHERIC
VENT
£3 FTAIFtCHILD
800-334-8422
www.fairchildproducts.com
"