Vent Cap Fittings With Giant Button Head

Vent cap fittings provide a secure access point for injecting lubricant or sealant and safely servicing valves used in oil and gas operations and other high-pressure applications. SAE Products offers dependable vent cap fittings in multiple configurations and material options to meet demanding operating and environmental requirements.

Rated to 10,000 PSI

Giant button head vent cap fitting cross-section diagram
SAE NumberThreadMaterialPlatingHeat TreatmentBallSpring
H-300-CBG-CAP1/4" NPT1215Zinc-Cobalt-CA*302 SSView Product >
H-300-CBG-CAP-HS1/4" NPT4140Zinc-CobaltRc 22 Max (NACE)K-Monel®Inconel X-750View Product >
H-300-CBG-VENT-SS1/4" NPT316 SS-Annealed (NACE)K-Monel®Inconel X-750View Product >
H-400-CBG-CAP3/8" NPT1215Zinc-Cobalt-CA*302 SSView Product >
H-400-CBG-CAP-HS3/8" NPT4140Zinc-CobaltRc 22 Max (NACE)K-Monel®Inconel X-750View Product >
H-400-CBG-VENT-SS3/8" NPT316 SS-Annealed (NACE)K-Monel®Inconel X-750View Product >
H-500-CBG-CAP1/2" NPT1215Zinc-Cobalt-CA*302 SSView Product >
H-500-CBG-CAP-HS1/2" NPT4140Zinc-CobaltRc 22 Max (NACE)K-Monel®Inconel X-750View Product >
H-500-CBG-CAP-SS1/2" NPT316 SS-Annealed (NACE)K-Monel®Inconel X-750View Product >
H-340-CBG-CAP3/4" NPT1215Zinc-Cobalt-CA*302 SSView Product >
H-340-CBG-CAP-HS3/4" NPT4140Zinc-CobaltRc 22 Max (NACE)K-Monel®Inconel X-750View Product >
H-340-CBG-CAP-SS3/4" NPT316 SS-Annealed (NACE)K-Monel®Inconel X-750View Product >
H-600-CBG-CAP1" NPT1215Zinc-Cobalt-CA*302 SSView Product >
H-600-CBG-CAP-HS1" NPT4140Zinc-CobaltRc 22 Max (NACE)K-Monel®Inconel X-750View Product >
H-600-CBG-CAP-SS1" NPT316 SS-Annealed (NACE)K-Monel®Inconel X-750View Product >
* CA = 52100 Chrome Alloy • Other materials, options, sizes, and plating available