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

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