The NIBCO® bronze horizontal swing check valve has a Y-pattern design with renewable Buna-N seat and disc. The swing check valve prevents backflow by automatically closing when fluid reverses direction. The check valve is recommended for fire protection trim valve service. The bronze check valve features threaded end connections for ease of installation. It features a screw in bonnet for accessibility to repair or replace parts. Swing checks may be installed in horizontal positions (or vertical with flow moving up). Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® check valves for the most specified, versatile and economical valve option in commercial, mechanical, fire protection and industrial applications.
OVERVIEW
200 psi/13.8 bar non-shock water working pressure (WWP) Y-pattern Renewable disc Regrindable seat Class 125 threaded end connections Use in U.S. drinking water applications is prohibited after January 3, 2014 Conforms to MSS SP-80 Size range 1/2″ to 2″
| Size | Dimensions | Weights | Box | Master | |||||
| A | B | ||||||||
| In. | mm. | In. | mm. | In. | mm. | Lbs. | Kg. | Qty. | Ctn. Qty. |
| 1/2 | 15 | 2.44 | 62 | 1.69 | 43 | 0.58 | 0.26 | 10 | 50 |
| 3/4 | 20 | 2.94 | 75 | 1.88 | 48 | 0.92 | 0.42 | 10 | 50 |
| 1 | 25 | 3.56 | 90 | 2.31 | 59 | 1.55 | 0.7 | 5 | 30 |
| 1 1/4 | 32 | 4.19 | 106 | 2.69 | 68 | 2.32 | 1.05 | 5 | 20 |
| 1 1/2 | 40 | 4.5 | 114 | 2.94 | 75 | 3 | 1.36 | 2 | 10 |
| 2 | 50 | 45.25 | 133 | 3.81 | 97 | 4.87 | 2.21 | 2 | 10 |
| 2 1/2 | 65 | 8 | 203 | 5.06 | 129 | 11.48 | 5.22 | 1 | 5 |
| 3 | 80 | 9.25 | 235 | 6.25 | 159 | 17.53 | 7.97 | 1 | 4 |
| Part | Specification |
| 1. Bonnet | Bronze ASTM B62 or B584 Alloy C84400 |
| 2. Body | Bronze ASTM B62 or B584 Alloy C84400 |
| 3. Hinge Pin | Bronze ASTM B140 Alloy C31400 or B134 Alloy C23000 |
| 4. Disc Hanger | Bronze ASTM B62 |
| 5. Hanger Nut | Bronze ASTM B97 Alloy C65500 or Brass ASTM B16 |
| 6. Disc Holder | Bronze ASTM B62 |
| 7. Seat Disc | Nitrile (W) / PTFE (Y) |
| 8. Seat Disc Nut | Brass ASTM B16 or B97 Alloy C65500 |
| 9. Hinge Pin Plug (Not Shown) | Bronze ASTM B140 Alloy C32000 |
| *10. Seat Disc Washer | Stainless Steel |
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