Home / Standard Valves / Check Valves / No. 352 Check Valve

No. 352 Check Valve

$61.97$1,000.49

Double-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. Offered in 1/8″ or 1/4″ NPT tapping.

SKU: 352 Category: Tags: , ,

Type: Check Valve / Material: Bronze / Seal: Buna-S / Fluid Type: Non-Potable Water / Special Use: Double-Tapped

Double-Tapped Check Valve with Buna-S Rubber Poppet

The No. 352 comes standard with a Buna-S rubber poppet, an extremely durable compound for use with non-potable drinking water. All other internal components of stainless steel. Each valve is tested twice for casting integrity and backflow prevention. All valves are 100% American-Made and built to last.

Dimensions

Part Number Pipe Size Flow Rate (Cv) Overall Length Valve Diameter Valve Weight
352 -100 1" 13 GPM 3.69" 2.00" 1.25 lb.
352 -125 1-1/4" 24 GPM 4.57" 2.41" 2.00 lb.
352 -150 1-1/2" 38 GPM 4.88" 2.69" 2.45 lb.
352 -200 2" 61 GPM 5.56" 3.34" 3.90 lb.
352 -250 2-1/2" 69 GPM 6.79" 3.81" 7.15 lb.
352 -300-F 3" * 110 GPM 7.40" 4.71" 11.80 lb.
352 -300 3" ** 69 GPM 6.79" 3.81" 8.15 lb.
352 -400 4" 205 GPM 10.00" 5.80" 21.70 lb.


Cv is flow (GPM) with a 1 psi differential pressure. NPT threaded. **New valve: Standard female threads on both ends, Cv factor of 185. **Original valve: 2-1/2" valve body with 3" male thread on both ends, Cv factor of 69.

Materials & Operational Specifications

Part NameSpecs
BodyCast Bronze C84400
Stem303 Stainless Steel
PoppetBuna-S Rubber
Spring 302 Stainless Steel
Cup Washer 304 Stainless Steel
Locknut18/8 Stainless Steel
Country of OriginMade in the USA
Max. Temperature225°F
Working Pressure400 psi
Cracking Pressure 1-2 lbs.
Opt. Cracking Pressure 1/2, 5, or 10 lbs.

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