Specification Brand : QWORK BulletPoint1 : Versatile Compatibility: Designed to admit Air and Vacuum, this check valve supports a wide range of working pressures, from 0 to 150psi or 0 to 1.2Mpa, making it suitable for various industrial and domestic applications. BulletPoint2 : Optimal Performance: Engineered with a cracking pressure of 0.4 Mpa and able to sustain negative pressure up to -100Kpa, ensuring reliable and efficient operation in maintaining system pressures. BulletPoint3 : Durable Construction: The valve's body is crafted from Nickel Plated Brass for enhanced durability and corrosion resistance, extended lifespan, and consistent performance, paired with robust O-Ring NBR seals for leak-free connections. BulletPoint4 : Advanced Temperature Range: These check valves are capable of operating within a temperature range of 0-70°C. Pack of 4. BulletPoint5 : Ease of Use and Adaptability: Push to Connect design for simple and quick tube connections without the need for additional tools, compatible with a variety of tubing types including PU, PA, PE, and PVC with 1/4" Outer Diameter. Color : Silver Department : Home & Garden ExteriorFinish : Brass ExteriorFinish1 : Nickel ExteriorFinish2 : Brass ExternallyAssignedProductIdentifier1 : 795973623706 ExternallyAssignedProductIdentifier2 : 0795973623706 ExternallyAssignedProductIdentifier3 : 00612052040929 GpsrSafetyAttestation : 1 IncludedComponents : 1" Dual Check Valve ItemName : QWORK Push to Connect Air Fitting Valve - 1/4" OD, Nickel Plated Brass Check Valve for Air, Vacuum, Pack of 4 Connect One Way Inline Air Pneumatic Valves ItemPackageDimensions_Height : 0.55 inches ItemPackageDimensions_Length : 3.15 inches ItemPackageDimensions_Width : 3.15 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-check-valves Manufacturer : QWORK Material : Brass Material1 : Polyvinyl Chloride Material2 : Brass MaximumOperatingPressure : 150 pounds_per_square_inch ModelName : QS31513 ModelNumber : QS31513 NumberOfItems : 4 NumberOfPorts : 4 PackageLevel : unit PartNumber : QS31513 ProductDescription : QWORK ProductSiteLaunchDate : 2023-12-25T02:09:23.901Z Size : 1" FNPT SpecificationMet : ASME B16.34 StreetDate : 2017-03-12T00:00:01Z Style : NPT SupplierDeclaredDgHzRegulation : other UnitCount : 4 UnspscCode : 40141600 ValveType : Check Valve