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Soft Seat Needle Valves - 316 SST and Alloy
Steel, Standard Port
Recommended where
bubble-tight seal and shutoff of liquids or gases are required. The design
includes a replaceable Delrin sleeve insert for added valve life.
Operating Specifications
|
Maximum Operating Pressure 6,000 psi (42,000 kPa) |
| Minimum Burst
Pressure 12,000
psi (84,000 kPa) |
| Temperature Limits
to 200
degrees fahrenheit (93 degrees celcius) |
| Flow Coefficients
(Cv) See part number table |
|
Design Features
| Body
and Bonnet Material:
316 stainless steel or
AISI 1213 alloy steel |
| Stem Material:
316 stainless steel with stainless body, 303 stainless steel
with alloy steel body |
| Bonnet Cap
(Protective Cover):
Polyethelene, red |
| Packing:
Viton O-ring and Telflon
backup ring (nylon backup ring for 1" size) |
| Handle:
Two-prong. Stainless steel
for 1/4" through 1/2" sizes. Malleable iron for stainless steel,
1" size. Cast aluminum for alloy, 1/4" through 1/2" sizes.
Malleable iron for alloy, 1" size. |
| Connection: National
Pipe Thread, meeting specifications of Federal Standard H-28. |
| Finish:
Stainless steel is passivated (surface
contamination removed). Alloy steel has a zinc plated finish. |
| Assembly: Bonnet
-pin lock is standard for all soft-seat needle valves. |
|
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Pattern |
NPT Size |
Part Number |
Cv |
| 316 SST |
Alloy |
|
FFG |
1/4" |
N5312 |
N5512 |
0.6 |
| 1/2" |
N5314 |
N5514 |
0.7 |
| 1" |
N5318 |
N5518 |
14.5 |
|
MFG |
1/4" |
N5332 |
N5532 |
0.8 |
| 1/2" |
N5334 |
N5534 |
0.9 |
| 1/4"
X 1/2" |
N5335 |
N5535 |
0.8 |
|
MFA |
1/4" |
|
N5572 |
0.7 |
| 1/2" |
|
N5574 |
0.7 |
Panel Mounting
Kit Flow Rate Formula
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