|
| |
Hard Seat Needle
Valves - Alloy Steel
An economical valve for
regulating pressures up to 10,000 psi. Suitable for air, water, oil and other
fluids with low-level corrosiveness.
|
Operating Specifications
|
Maximum Operating Pressure 10,000 psi (70,000 kPa) |
| Minimum Burst
Pressure 20,000
psi (140,000 kPa) |
| Temperature Limits
minus 20
degrees to 500 degrees fahrenheit (-28 to 260 degrees celcius) |
| Flow Coefficients
(Cv) See part number table |
|
Design Features
| Body
and Bonnet Material:
AISI 1213 alloy steel |
| Stem Material:
416 stainless steel, hardened |
| Packing:
Two-piece molded Teflon |
| Handle:
Two-prong. Cast aluminum
for 1/8" through 1/2" sizes. Malleable iron for 3/4" and 1"
sizes |
| Connection: National
Pipe Thread, meeting specifications of Federal Standard H-28. |
| Finish:
Clear zinc plating |
| Assembly:
Bonnet on all globe valves
1/2" and under is threaded into body and staked to prevent
turning. Body and insert for angle valves fused into single unit
by a welding process |
|
| Pattern |
NPT Size |
Part
Number |
Cv |
| FFG |
1/8" |
N1511 |
0.4 |
| 1/4" |
N1512 |
0.4 |
| 3/8" |
N1513 |
0.9 |
| 1/2" |
N1514 |
1.1 |
| 3/4" |
N1516 |
2.3 |
| 1" |
N1518 |
3.5 |
| MFG |
1/4" |
N1532 |
0.4 |
| 1/2" |
N1534 |
1.2 |
| FFA |
1/8" |
N1551 |
0.7 |
| 1/4" |
N1552 |
0.8 |
| 3/8" |
N1553 |
1.6 |
| 1/2" |
N1554 |
1.5 |
| 3/4" |
N1556 |
4.4 |
| 1" |
N1558 |
6.2 |
| MFA |
1/4" |
N1572 |
0.6 |
| 1/2" |
N1574 |
1.5 |
Panel Mounting
Kit Flow Rate Formula
|
