Specification Brand : Spears Manufacturing BulletPoint1 : Spring Assisted Sprink Check Model Option for Positive Closing. BulletPoint2 : Chemical & Corrosion Resistant PVC White. BulletPoint3 : No Metal Parts on Swing Check. BulletPoint4 : Maintenance Free Sealed Unit in a Compact Space Saving Design. BulletPoint5 : Engineered for Maximum Flow, Quick Response & Positive Shutoff. ExteriorFinish : Metal ExternallyAssignedProductIdentifier1 : 0054211988947 ExternallyAssignedProductIdentifier2 : 054211988947 ItemName : Spears Manufacturing S1580-20F 2 In. Fpt Spring Type Check Valve - Opens At.5 Lbs. ItemPackageQuantity : 1 ItemTypeKeyword : industrial-check-valves Manufacturer : SPEARS MANUFACTURING Material : Pvc,Metal PartNumber : S158020F ProductDescription : Spears Utility Swing Check and spring assisted Utility Spring Check Valves offer a compact high performance check valve for Landscape Irrigation Pool Spa Aquaculture OEM and many general purpose applications. These maintenance free sealed units feature long-life EPDM elastomer seats with weighted disc for full-flow with minimal restriction and positive shutoff. Spring assisted Spring Check model incorporates a positive-pressure spring to assist in valve closing without slamming. Swing check valves are designed for horizontal installations but may be installed in up-flow only vertical position. Check valves MUST be installed with the valves FLOW arrow pointing in the direction of the flow. Do not install valve upside down. Flow velocity should not exceed 5 ft.sec. Minimum opening pressure less than 0.5 psi.Features. Spring Assisted Sprink Check Model Option for Positive Closing.. Chemical Corrosion Resistant PVC White.. No Metal Parts on Swing Check.. Maintenance Free Sealed Unit in a Compact Space Saving Design.. Engineered for Maximum Flow Quick Response Positive Shutoff.. Long- Life High Grade EPDM Seat with Weighted Disc.. Pressure Rated to 150 PSI at 73F Full-Flowopen and 75 PSI. Suitable for either Horizontal or Vertical Up-flow Installations and Vacuum Service.. NSF Certified for Potable Water Use.. Silicone-Free Assembly. Size - 2 in. FPT. Color - White. Material - PVC. Dimension - 4.5 L x 6.25 W x 4.5 H in. ProductSiteLaunchDate : 2018-06-15T03:15:15.037Z SpecificationMet : oem UnitCount : 1 UnspscCode : 40141600