| AUTOMATIC FLOW CONTROL 1-1/2"-2"_____ISOLATOR™ "R" |
|
| SPECIFICATIONS |
 |
PSI/Temp Rating:
Cartridge:
Body Material:
End Connections:
Seals:
Body Tappings:
Ball Valve:l
Assembly:
|
275 PSI/250°F
AISI Type 304 stainless steel
AISI Type 17-7 P.H. stainless
steel spring
Cast brass
Brass
EPDM O-Rings
Port 1 and 2: 1/4" NPT with P/T
test valves
Nickel Plated brass ball
Valve comes fully assembled.
|
| ACCESSORY OPTIONS: |
| Body Tappings: |
Port 2 and 3: 1/4" NPT with P/T
test valves, Port 1: 1/4" NPT
with Air Vent |
|
| FLOW RATES (±5%) |
| SIZE*1 |
MODEL NO. |
HEAD LOSS IN
FEET*2 |
PSID
RANGE |
GPM |
| 1-1/2" - 2" |
3R31____ |
3.5 |
1-14 |
12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38
|
| 3R32____ |
7.4 |
2-32 |
18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57
|
| 3R34____ |
13.4 |
4-57 |
24, 28, 32, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76
|
| 3R38____ |
30.0 |
8-128 |
36, 42, 48, 54, 60, 66, 72, 78, 84, 90, 96, 102, 108, 114
|
|
| DIMENSIONS & WEIGHTS (NOMINAL) |
| SIZE |
MODEL
NO. |
A
HEIGHT |
B
HEIGHT |
C
LENGHT*3 |
UNION END CONNECTIONS(INCHES)*4 |
Cv*5 |
WEIGHT
(LBS.) |
| FNPT |
MNPT |
FEMALE SWT |
| 1-1/2" |
3R3____ |
2.6 |
4.4 |
9.5 |
1.25 |
1.25 |
1.25 |
40 |
8.75 |
| 2" |
N/A |
1.25 |
1.25 |
|
The Griswold Controls ISOLATOR™ "R" Valve offers accuracy to within 5% of the specified flow combined with the sure reliability of Griswold’s 30 years of experience.
The stainless steel flow cartridge is removable from the valve body to provide easy access for changeout, inspection and cleaning without disturbing the rest of the system. 1-1/2" - 2" sizes available. Pressure/Temperature fitting ports are standard, extended ports optional. |
 |
|
|
NOTES:
*1 Valve may be sized down to 1-1/4” with reducing bushings
*2 Head Loss in Feet is provided for pump head calculations. (1 PSI = 2.307 Feet of Water)
*3 Length measured with fixed end FNPT; SWT end connection may be longer
*4 Add union end connection length to body length
*5 CVs are based on housing without cartridge |
|
|
|
|
