3/4" SI Style Insert Check Valve, 0.125 psi Cracking Pressure, SS Body
3/4" SI Style Insert Check Valve, 0.125 psi Cracking Pressure, SS Body
SKU:SIS-e11943
Durable 3/4" SI Style Insert Check Valve with 0.125 psi Cracking Pressure for precise control.
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$49.99
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$49.99
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3/4" SI Style Insert Check Valve, 0.125 psi Cracking Pressure, SS Body
$49.99
Quantity: 1
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3/4" SI Style Insert Check Valve, 0.125 psi Cracking Pressure, SS Body
$49.99
Quantity: 1
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The 3/4" SI Style Insert Check Valve is a threadless valve designed for easy cavity insertion, eliminating the need for threads. Made with 316 Stainless Steel body offering high durability and non-corrosive properties. This versatile valve can be configured as a low pressure relief valve or vacuum breaker with adjustable spring settings. Its standard cracking pressure of 0.125 psi ensures reliable performance. Ideal for applications requiring precision and efficiency.
Product Specifications
Additional Information
PED Compliance Statement: Due to the unique "insert" design of our 3S, SC, CB, TC, SI, & UV, style check valves, they do not constitute an "identifiable pressure bearing housing" as defined in PED Guideline 1/8. These styles must be installed into either ferrules or fittings to create a pressure bearing housing. Instead, they are classified as "components of pressure equipment" as defined in PED Guideline 1/8. As a result, these valves can be sold in the European Community and no CE Mark is required.In addition applications where the maximum allowed operating pressure is 0.5 bar (7.2 psi) or less, do not fall under the PED, regardless of the valve style.
Note
Made in USA.
Specifications Body Material
316 Stainless Steel = SS | Alloy 20 = A2 | Alloy B = HB | Alloy C-276 = HC | Brass = BR | Carbon Steel = CS | Monel® 400 or Alloy R405 = MO | Titanium = TI
Specifications Body Material Availability
316 Stainless Steel (SS) - Standard | Alloy 20 (A2) - Semi-Standard | Alloy B (HB) - Contact the factory for these or other materials. | Alloy C-276 (HC) - Semi-Standard | Brass (BR) - Standard | Carbon Steel (CS) - Standard | Monel® 400 or Alloy R405 - Semi-Standard | Titanium (TI) - Contact the factory for these or other materials.
Specifications Certifications
European Conformity (CE) Non-PED Statement | International Organization for Standardization (ISO 9001) Certified
Specifications Nominal Pipe Size
3/4 in
Specifications Non Shock Pressure Rating At 100 Degree Fahrenhei
3000 psig
Specifications Note For Material
Listed above are the most common material selections. Please contact the factory for additional options.
Specifications Note For Standard Cracking Pressure
0.125 psi springs are not recommended for installations with flow vertical down.
Specifications Seat Material
"Metal-to-Metal" = MT | Aflas® = AS | Buna-N = BN | Ethylene Propylene Diene Monomer (EPDM) = EP (EP seats not recommended for use with Carbon Steel valves.) | Fluoro-Elastomer (FKM) = VT | Neoprene = NE | Perfluoroelastomer = KZ | Polytetrafluoroethylene (PTFE) = TF
Specifications Size Code
F
Specifications Special Options
T = FEP Encapsulated Spring (Contact the factory for more options)
Specifications Spring Material
17-7PH Stainless Steel = PH | 316 Stainless Steel = SS | Alloy C-276 = HC | Inconel® X750 or Alloy X750 = IX | Monel® 400 = MO | Titanium = TI
Specifications Standard Cracking Pressure
0.125 psi
Specifications Valve Style
SI