4pcs Anti Slam Door Hinges | Hydraulic | Fire Rated | 4x4 | 8ft | 330 lbs | 1 ⅜ or 1 ¾” Thick | SS304 | K51M-400-B4

If you need anti slam door hinges that control speed, eliminate hard impact, and stay compliant under daily commercial use, this hydraulic hinges for doors gives you the adjutable tension and no overhead hardware. Waterson anti slam hinges function as door closure hinges by a hydraulic damper, giving you predictable closing performance for interior 4x4 full-mortise doors up to 330 lbs. Attention: This model is non-refundable DESCRIPTION DETAILS SPECIFICATIONS VIDEO Applications Hotel Rooms  3Hr Fire-rated Interior Use Only Arch Top  Heavy Duty Courtyard Style 8ft Door Product Description and Features Apply for door open ≤ 120°  Fully adjustable closing force and speed according to environment needs Numerical adjustment panel on hinge end to set up precise tension Include both mechanical and hydraulic mechanism supporting quiet close needs Aesthetically pleasing compared to door closers -- without obtrusive arm Installation Kits   Both machined #12-24 UNC ½”L and wooden tapp