Retainers are used with packing seals to provide high pressure leak proof, heavy duty closure of casting used for Oil and Petroleum casings and fixtures.
| Thread size | Material | Part No | Hex Size | OAL | Plating | Heat Treatment | Ball |
|---|---|---|---|---|---|---|---|
| ¾” NPT | AISI 4140 | BI-BVF-SH-N1 | 1-1/8” | 1-5/8” | Zinc | Rc 22 Max (NACE) | 420SS |
| AISI 4140 | BI-BVF-SH-N2 | 1-1/8” | 1-5/8” | Zinc | Rc 22 Max (NACE) | Tungsten Carbide | |
| 316SS | BI-BVF-SH-N3 | 1-1/8” | 1-5/8” | - | Annealed (NACE) | Tungsten Carbide | |
| ½” NPT | AISI 4140 | BI-BVF-SH-N4 | 7/8” | 1-½” | Zinc | Rc 22 Max (NACE) | 420 SS |
| AISI 4140 | BI-BVF-SH-N5 | 7/8” | 1-½” | Zinc | Rc 22 Max (NACE) | Tungsten Carbide | |
| 316SS | BI-BVF-SH-N6 | 7/8” | 1-½” | - | Annealed (NACE) | Tungsten Carbide | |
| 3/8” NPT | AISI 4140 | BI-BVF-SH-N7 | 7/8” | 1-9/16” | Zinc | Rc 22 Max (NACE) | 420 SS |
| AISI 4140 | BI-BVF-SH-N8 | 7/8” | 1-9/16” | Zinc | Rc 22 Max (NACE) | Tungsten Carbide | |
| 316SS | BI-BVF-SH-N9 | 7/8” | 1-9/16” | - | Annealed (NACE) | Tungsten Carbide | |
| ¼” NPT | AISI 4140 | BI-BVF-SH-N10 | 7/8” | 1-5/8” | Zinc | Rc 22 Max (NACE) | 420 SS |
| AISI 4140 | BI-BVF-SH-N11 | 7/8” | 1-5/8” | Zinc | Rc 22 Max (NACE) | Tungsten Carbide | |
| 316SS | BI-BVF-SH-N12 | 7/8” | 1-5/8” | - | Annealed (NACE) | Tungsten Carbide |