| Thread Size | Materials | Heat Treatment | Plating | Spring | Ball(s) | Part # |
|---|---|---|---|---|---|---|
| 3/4″ NPT | 1215 316 SS 4140 | N/A Annealed (NACE) Rc 22 Max. (NACE) | Zinc Cobalt N/A Zinc Cobalt | 302SS Inconel X750 Inconel X750 | CA K-Monel K-Monel | FP600510 FP600520 FP600530 |
| 1/2″ NPT | 1215 316 SS 4140 | N/A Annealed (NACE) Rc 22 Max. (NACE) | Zinc Cobalt N/A Zinc Cobalt | 302SS Inconel X750 Inconel X750 | CA K-Monel K-Monel | FP400510 FP400520 FP400530 |
| 3/8″ NPT | 1215 316 SS 4140 | N/A Annealed (NACE) Rc 22 Max. (NACE) | Zinc Cobalt N/A Zinc Cobalt | 302SS Inconel X750 Inconel X750 | CA K-Monel K-Monel | FP300510 FP300520 FP300530 |
| 1/4″ NPT | 1215 316 SS 4140 | N/A Annealed (NACE) Rc 22 Max. (NACE) | Zinc Cobalt N/A Zinc Cobalt | 302SS Inconel X750 Inconel X750 | CA K-Monel K-Monel | FP200510 FP200520 FP200530 |
| 3/4″ – 10 UNC | 1215 | N/A | Zinc Cobalt | 302SS | CA | FP610510 |
| 5/8″ – 11 UNC | 1215 | N/A | Zinc Cobalt | 302SS | CA | FP510510 |
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