3S Style 3-A Sanitary Check Valve - 3" Line Size, 1.50 psi Cracking Pressure
3S Style 3-A Sanitary Check Valve - 3" Line Size, 1.50 psi Cracking Pressure
SKU:3SS-7f975a
Premium 3S Style 3-A Sanitary Check Valve for sanitary systems. Versatile, efficient, and easy to maintain.
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$119.99
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$119.99
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3S Style 3-A Sanitary Check Valve - 3" Line Size, 1.50 psi Cracking Pressure
$119.99
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3S Style 3-A Sanitary Check Valve - 3" Line Size, 1.50 psi Cracking Pressure
$119.99
Quantity: 1
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The 3S Style 3-A Sanitary Check Valve is a top-tier 316/316L stainless steel check valve with a superior 32 Ra finish suitable for both new and existing sanitary systems. Designed to seal securely within 3-A specified materials, this valve ensures maximum efficiency and cleanliness. With a spring material of 316 stainless steel and options for different seat materials, it offers unparalleled versatility. The valve is easily disassembled for maintenance, fits compactly within ferrules, and can be utilized as both a check valve and vacuum breaker.
Product Specifications
Additional Information
Spare parts are also available. The compact design fits inside a single set of ferrules and requires no additional space in the line. The insert design makes it extremely economical when compared to full-bodied valves. The 3S valve can be used as a check valve or vacuum breaker. Please use "V" special option when ordering as a vacuum breaker. The standard spring material is 316 SS. Consult factory for additional options.The 3-A Sanitary Check Valve (3S) is an all 316/316L stainless steel insert check valve with a standard 32 Ra or better finish, (consult factory for finer finish availability) for use in new or existing sanitary systems. Our 3S design seals on the ID of sanitary ferrules with 3-A specified materials (standard is EPDM). This check valve seals inside fittings such as Alfa Laval Inc. Bevel Seat, and Tri-Clamp®, Q-Line, and S-Line and others with ID dimensions equal to the "F" dimensions listed below under Size & Dimensions. The valve is designed to be easily disassembled for cleaning and spare parts are available. Our compact 3S fits inside a single set of ferrules, (ferrules not included) and requires no additional space in the line. The insert design makes it extremely economical when compared to full-bodied valves. We offer a wide variety of seat materials and cracking pressure springs allows this series to be used as a check valve or vacuum breaker. Please specify when ordering.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
USP Class VI O-Rings can be supplied with certification.Made in USA.
Specifications Body Material
316 Stainless Steel = SS | 316L Stainless Steel = SS
Specifications Certifications
European Conformity (CE) Non-PED Statement | International Organization for Standardization (ISO 9001) Certified
Specifications Line Size
3 in
Specifications Non Shock Pressure Rating At 100 Degree Fahrenhei
725 psig
Specifications Note For Material
Listed above are the most common material selections. Please contact the factory for additional options.
Specifications Note For Non Shock Pressure Rating At 100 Degree
30 PSI is the maximum recommended pressure drop.
Specifications Seat And Outer Seals Material
3-A Aflas® = 3A | 3-A Ethylene Propylene Diene Monomer (EPDM) = 3E | 3-A Fluoro-Elastomer (FKM) = 3V | 3-A Perfluoroelastomer = 3K | 3-A Silicone = 3S | 3-A/USP Class VI Aflas® = UA | 3-A/USP Class VI Ethylene Propylene Diene Monomer (EPDM) = UE | 3-A/USP Class VI Fluoro-Elastomer (FKM) = UV | 3-A/USP Class VI Perfluoroelastomer = UK | 3-A/USP Class VI Silicone = US
Specifications Size Code
M
Specifications Special Options
V if valve is used as a vacuum breakerEC = 15 Ra FinishSpring finishes may vary, contact the factory for more information and additional options.
Specifications Spring Material
316 Stainless Steel = SS | Alloy C-276 = HC
Specifications Standard Cracking Pressure
1.50 psi
Specifications Us Patent Numbers
6,039,073 | 6,152,171
Specifications Valve Style
3S