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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 400 lbs WOG, 125 lbs. steam. Maximum temperature 350°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.

| View Specifications Chart Below | Download Specifications (PDF) | Contact Us

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 **
$30.30 $31.94 $35.38 $49.08 $57.76 $71.50 $103.44 $242.00 $456.48 $260.00

* New valve: Standard female threads on both ends, Cv Factor of 185
** Original valve: 2-1/2" valve body with 3" male threads, Cv Factor of 68.5

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No. F400: Lead-Free Series

NSF logoOur 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.

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F-Series (Lead-Free) Pricing Information
3/8" 1/2" 3/4" 1" 1-1/4" 1-1/2" 2"
$32.06 $34.94 $40.14 $56.44 $64.92 $84.64 $124.72
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400 Series Specifications
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

* New valve: Standard female threads on both ends, Cv Factor of 191
** Original valve: 2-1/2" valve body with 3" male threads, Cv Factor of 77


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