No. 3640RB Check Valve
$53.66 – $97.44
Used for food and beverage, biodiesel, hydraulic and pneumatic applications, or where resistance is needed for aggressive fuels and chemicals. Also where excellent heat stability is required. Rated for temperatures up to 350°F. Steam 125 lbs.
Type: Check Valve / Material: 316 Stainless / Seal: Stainless Steel / Fluid Types: Chemicals, Drinking Water, Food and Beverage, Fuels, Hydraulic Fluid, Non-Potable Water, Steam
316 Stainless Steel Check Valve with Stainless Poppet
The No. 3640RB Fusion™ check valve is made from solid 316 stainless steel bar, with all internal components also of 316 stainless steel. The proprietary stainless steel poppets are finely machined for a metal-to-metal seal. Designed to operate in any position, a sensitive spring has been added to close the poppet automatically. The patented Fusion™ valve design offers flexibility in configuring the end connections, with selections from pipe threads to hydraulic connections to hose barbs. All valves are 100% American-Made and built to last. Contact Strataflo now to see how this product can be customized for your application.
Dimensions
| Part Number | Pipe Size | Flow Rate (Cv) | Overall Length | Valve Diameter | Valve Weight |
|---|---|---|---|---|---|
| 3640RB-025 | 1/4" | 1.1 GPM | 2.63" | 1.12" | 0.45 lb. |
| 3640RB-025M | 1/4" MNPT | 1.1 GPM | 3.83" | 1.12" | 0.55 lb. |
| 3640RB-038 | 3/8" | 3.1 GPM | 2.63" | 1.12" | 0.45 lb. |
| 3640RB-038M | 3/8" MNPT | 3.1 GPM | 3.83" | 1.12" | 0.55 lb. |
| 3640RB-050 | 1/2" | 3.8 GPM | 2.63" | 1.12" | 0.40 lb. |
| 3640RB-050M | 1/2" MNPT | 3.8 GPM | 3.83" | 1.12" | 0.55 lb. |
| 3640RB-075 | 3/4" | 8.8 GPM | 3.31" | 1.24" | 0.55 lb. |
| 3640RB-075M | 3/4" MNPT | 8.8 GPM | 3.83" | 1.24" | 0.65 lb. |
| 3640RB-100 | 1" | 11.0 GPM | 3.69" | 1.49" | 0.75 lb. |
| 3640RB-100M | 1" MNPT | 11.0 GPM | 4.53" | 1.49" | 1.00 lb. |
Cv is flow (GPM) with a 1 psi differential pressure. Products listed contain NPT end connections. Contact Strataflo for technical specifications if another style of end connection is desired.
Materials & Operational Specifications
| Part Name | Specs |
|---|---|
| Body | 316 Stainless Steel |
| Stem | 316 Stainless Steel |
| Poppet | 316 Stainless Steel |
| Spring | 316 Stainless Steel |
| Spring Retainer | 316 Stainless Steel |
| Country of Origin | Made in the USA |
| Max. Temperature | 350°F |
| Working Pressure | 3000 psi |
| Cracking Pressure | 1-2 lbs. |
| Opt. Cracking Pressure | 1/2, 5, or 10 lbs. |
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