Specification Brand : Plews BulletPoint1 : Manufactured to the highest quality standards to ensure superior long-term performance BulletPoint2 : Features solid brass construction with a plated brass handle, metal to metal seats, and fine-thread screw down for positive sealing & precise adjustments to hold any amount of flow up to valve capacity BulletPoint3 : Working temperature range: -65 F to +250 F; 150 PSI maximum working pressure BulletPoint4 : 5/16 inch tube compression fitting x 1/8 inch male NPT BulletPoint5 : For use with air, water, gas, and other fluids (not intended for natural gas, LPG, or lubricants) BulletPoint6 : Applications: control the air volume supplied to the Diaphragm Pump to control pump speed & dental airflow machines ExteriorFinish : Metal ExternallyAssignedProductIdentifier : 4711106370015 ExternallyAssignedProductIdentifier1 : 021597605799 ExternallyAssignedProductIdentifier2 : 0021597605799 ExternallyAssignedProductIdentifier3 : 00021597605799 IncludedComponents : inc ItemName : Edelmann 506520 Brass Compression Straightway Needle Valve - 5/16" Tube X 1/8" NPT ItemPackageDimensions_Height : 2.17 inches ItemPackageDimensions_Length : 6.44 inches ItemPackageDimensions_Width : 4.06 inches ItemPackageQuantity : 1 ItemTypeKeyword : industrial-needle-valves Manufacturer : Edelmann Material : Brass MaximumOperatingPressure : 250 pounds_per_square_inch ModelNumber : 506520 NumberOfItems : 1 NumberOfPorts : 2 PartNumber : 506520 ProductDescription : Specification: Item Type: 304 Stainless Steel Valve Material: 304 stainless steel Working Pressure: About 930PSI (6.4MPa) Applicable Temperature: Up to about 70 Connection Method: Double card set connection Applicable Medium: Oil, water, and other non-corrosive or corrosive media