350 Series, Tapped
Heavy bosses has been added to the 350 Series check valves to provide proper length for leak-proof side connections. Valves can be single or double tapped in 1/8” or 1/4" taper pipe thread. When ordering, specify whether tapping is to be on the inlet or outlet side of the valve and what size connection is required.
Similar in construction and operation to the No. 300. Contains a Buna-S rubber poppet for a leak-proof seal. Maximum temperature of 225°F.
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| No. 351, Single-Tapped |
The No. 351 Strataflo single-tapped check valve is generally used for submersible pump installations or when it is necessary to attach a pressure switch, pressure gauge, snifter valve, drain or blow lines, or adding chemicals. Similar in construction and operation to No. 300, however the valve is drilled and tapped on either the inlet or outlet side.
| 351 Single-Tapped Pricing Information |
| 1" |
1-1/4" |
1-1/2" |
2" |
2-1/2" |
3" |
| $44.36 |
$46.44 |
$67.76 |
$104.88 |
$236.52 |
$255.10 |
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| No. 352, Double-Tapped |
The No. 352 Strataflo Check Valve is identical to the No. 351 described above, except that drilled and tapped side outlet connections are furnished on both the inlet and outlet sides, as illustrated at left. When ordering, specify what size connections are required. See specifications below.
| 352 Doubled-Tapped Pricing Information |
| 1" |
1-1/4" |
1-1/2" |
2" |
2-1/2" |
3" |
| $46.90 |
$49.14 |
$68.16 |
$110.26 |
$258.28 |
$277.62 |
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| 350 Series Tapped Specifications
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Pipe
Size |
351
Series
Part # |
352
Series
Part # |
Overall
Length |
Valve
Diameter |
Valve
Weight |
Flow Factor
CV |
| 1" |
351-100 |
352-100 |
3.69" |
2.00" |
1.25 lb |
7 |
| 1-1/4" |
351-125 |
352-125 |
4.57" |
2.41" |
2.00 lb |
14 |
| 1-1/2" |
351-150 |
352-150 |
4.88" |
2.69" |
2.45 lb |
32 |
| 2" |
351-200 |
352-200 |
5.56" |
3.34" |
3.90 lb |
31 |
| 2-1/2" |
351-250 |
352-250 |
6.79" |
3.81" |
7.15 lb |
69 |
| 3" |
351-300 |
352-300 |
6.79" |
3.81" |
8.15 lb |
69 |
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