|
| Model
81-2 General Purpose Brass Low Delivery Pressure Regulator, Dual Stage |
| Description |
| General
purpose regulators designed to reduce full cylinder pressure
(maximum 3000 psig) down to very low working pressures (0.1 to 2
psig). |
 |
| Applications |
- Regulation
of fuel supply to burners
- Purging
low pressure environmental chambers
- Maintaining
low pressure blankets of inert gas on fuel and chemical
storage facilities
|
| Design
Features/Components |
- General
purpose forged® brass body
- General
purpose Viton® diaphragms
- 2-1/2"
inlet and delivery pressure gauges
- Equipped
with outlet needle valve
- Porous
metal filter protects seat from contamination
- Interstage
relief valve
- ¼"
NPTM outlet connection
|
| Materials
of Construction |
| Gauges: |
Chrome
plated brass |
| Body: |
Chrome
plated forged brass |
| First
Stage Bonnet: |
Chrome
plated forged brass |
| Second
Stage Bonnet: |
Chrome
plated forged brass |
| First
Stage Diaphragm: |
Viton® |
| Second
Stage Diaphragm: |
Viton® |
| First
Stage Seat: |
Kel-F® |
| Second
Stage Seat: |
Viton® |
| Seals: |
Neoprene
/ Teflon |
| Maximum
Inlet Pressure: |
3000
psig (20,700 kPa) |
Maximum
Flow Rate:
(At 2000 psig, N2) |
Model
81-2: 98 SCFH (46 SLPM) |
| Flow
Capacity (Cv): |
0.53 |
| Operating
Temperature: |
-20°F
to 140°F (-29°C to 60°C) |
| Porting: |
1/4"
NPT female |
| Porting
Configuration: |
2
High, 2 Low, 1 Interstage |
| Shipping
Weight: |
7
lbs |
| Ordering
Information |
| Model |
Delivery
Pressure Range |
Delivery
Pressure Gauge |
Cylinder
Pressure Gauge |
| 81-2-CGA |
0.1-2
psig |
0.1-3
psig |
0-3000
psig |
| NOTE:
Some CGA limitations may apply |
| Options |
| Model |
Description |
| CON-0208-BO |
Compression
Tube Outlet (1/4") Connection (Brass) |
|
|