400 Series, Stainless Steel Poppet
 Strataflo 400 Series check valves with metal poppets are ruggedly constructed and are suitable for use in a wide variety of heavy industrial applications. The proprietary stainless steel poppets are finely machined for a metal-to-metal seal.
The one-piece body is cast brass. Like the 300 Series, a sensitive spring allows this valve to be used in any position. Cracking pressure is approximately 1 lb., not adjustable. Other cracking pressure available. Working pressure 200 lbs WOG, 75 lbs. steam. Maximum temperature 300°F.
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| No. 400: Stainless Steel Poppet for General Purpose Applications |
Strataflo No. 400 Check Valves with metal poppets are ruggedly constructed and are suitable for a wide variety of applications including hot water, cold water, steam, oil, gas, compounds and chemicals.
| 400 Series Pricing Information |
| 3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
2-1/2" |
3"F * |
3"M ** |
| $29.14 |
$30.72 |
$34.02 |
$47.20 |
$55.54 |
$68.76 |
$103.44 |
$242.00 |
$456.48 |
$260.00 |
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| No. F400: Lead-Free Series |
 Our No. F400 valves feature lead free NSF-certified material, containing ≤ 0.25% lead. Sizes and specifications are the same as the corresponding No. 400 check valve.
| F-Series (Lead-Free) Pricing Information |
| 3/8" |
1/2" |
3/4" |
1" |
1-1/4" |
1-1/2" |
2" |
| $30.84 |
$33.60 |
$38.60 |
$54.28 |
$62.42 |
$81.38 |
$124.72 |
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| 400 Series Specifications
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Pipe
Size |
400
Series
Part # |
Overall
Length |
Valve
Diameter |
Valve
Weight |
Flow Factor
CV |
| 3/8" |
400-038 |
2.63" |
1.16" |
0.50 lb |
2 |
| 1/2" |
400-050 |
2.69" |
1.40" |
0.65 lb |
3 |
| 3/4" |
400-075 |
3.31" |
1.62" |
0.90 lb |
6 |
| 1" |
400-100 |
3.69" |
2.00" |
1.25 lb |
10 |
| 1-1/4" |
400-125 |
4.57" |
2.41" |
2.00 lb |
20 |
| 1-1/2" |
400-150 |
4.88" |
2.69" |
2.35 lb |
39 |
| 2" |
400-200 |
5.56" |
3.34" |
3.80 lb |
64 |
| 2-1/2" |
400-250 |
6.79" |
3.81" |
7.40 lb |
77 |
| *3" |
400-300-F |
7.40" |
4.71" |
11.70 lb |
191 |
| **3" |
400-300 |
6.79" |
3.81" |
6.60 lb |
77 |
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