
| GIANT BUTTON HEAD FITTING (SINGLE BALL CHECK) | ||||||
|---|---|---|---|---|---|---|
| Thread Size | MOC | Part No | Surface Treatment | Heat Treatment | Ball | Spring |
| 1/4″ | 1215 / EN1A | GB1N4-CS | Zinc | – – – | AISI 52100 (HCHC) Chrome Alloy | 302 SS |
| 316 SS | GB1N4-SS | – – – | Annealed (NACE) | K-Monel / Tungsten Carbide | Inconel® X-750 | |
| 4140 / EN19 | GB1N4-C | Zinc | Rc 22 Max (NACE) | |||
| 3/8″ | 1215 / EN1A | GB1N6-CS | Zinc | – – – | AISI 52100 (HCHC) Chrome Alloy | 302 SS |
| 316 SS | GB1N6-SS | – – – | Annealed (NACE) | K-Monel / Tungsten Carbide | Inconel® X-750 | |
| 4140 / EN19 | GB1N6-C | Zinc | Rc 22 Max (NACE) | |||
| 1/2″ | 1215 / EN1A | GB1N8-CS | Zinc | – – – | AISI 52100 (HCHC) Chrome Alloy | 302 SS |
| 316 SS | GB1N8-SS | – – – | Annealed (NACE) | K-Monel / Tungsten Carbide | Inconel® X-750 | |
| 4140 / EN19 | GB1N8-C | Zinc | Rc 22 Max (NACE) | |||
| 3/4″ | 1215 / EN1A | GB1N12-CS | Zinc | – – – | AISI 52100 (HCHC) Chrome Alloy | 302 SS |
| 316 SS | GB1N12-SS | – – – | Annealed (NACE) | K-Monel / Tungsten Carbide | Inconel® X-750 | |
| 4140 / EN19 | GB1N12-C | Zinc | Rc 22 Max (NACE) | |||
| 1″ | 1215 / EN1A | GB1N16-CS | Zinc | – – – | AISI 52100 (HCHC) Chrome Alloy | 302 SS |
| 316 SS | GB1N16-SS | – – – | Annealed (NACE) | K-Monel / Tungsten Carbide | Inconel® X-750 | |
| 4140 / EN19 | GB1N16-C | Zinc | Rc 22 Max (NACE) | |||