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Vented Cap Body with Giant Button Head: For Service to 10,000 PSI – Free Flow II

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Vented Cap Body with Giant Button Head: For Service to 10,000 PSI

The Vented Cap Body with Giant Button Head (Free Flow II) grease fittings are engineered for heavy-duty industrial lubrication systems operating at pressures up to 10,000 PSI. They feature a robust structural design equipped with an integrated spring retainer and advanced ball-check mechanism. This combination ensures an optimal, unrestricted flow of lubricants while reliably protecting against high-pressure fluid backflow.
VENTED CAP BODY WITH GIANT BUTTON HEAD: FOR SERVICE TO 10,000 PSI
Thread Size MOC Part No Surface Treatment Heat Treatment Ball Spring
1/4″ NPT 1215 / EN1A GF1BN4-CS Zinc — AISI 52100 (HCHC) Chrome Alloy 302 SS
316 SS GF1BN4-S — Annealed (NACE) K-Monel / Tungsten Carbide Inconel® X-750
4140 / EN19 GF1BN4-C Zinc Rc 22 Max (NACE)
3/8″ NPT 1215 / EN1A GF1BN6-CS Zinc — AISI 52100 (HCHC) Chrome Alloy 302 SS
316 SS GF1BN6-S — Annealed (NACE) K-Monel / Tungsten Carbide Inconel® X-750
4140 / EN19 GF1BN6-C Zinc Rc 22 Max (NACE)
1/2″ NPT 1215 / EN1A GF1BN8-CS Zinc — AISI 52100 (HCHC) Chrome Alloy 302 SS
316 SS GF1BN8-S — Annealed (NACE) K-Monel / Tungsten Carbide Inconel® X-750
4140 / EN19 GF1BN8-C Zinc Rc 22 Max (NACE)
3/4″ NPT 1215 / EN1A GF1BN12-CS Zinc — AISI 52100 (HCHC) Chrome Alloy 302 SS
316 SS GF1BN12-S — Annealed (NACE) K-Monel / Tungsten Carbide Inconel® X-750
4140 / EN19 GF1BN12-C Zinc Rc 22 Max (NACE)
1″ NPT 1215 / EN1A GF1BN16-CS Zinc — AISI 52100 (HCHC) Chrome Alloy 302 SS
316 SS GF1BN16-S — Annealed (NACE) K-Monel / Tungsten Carbide Inconel® X-750
4140 / EN19 GF1BN16-C Zinc Rc 22 Max (NACE)