Is the JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 compatible with Komatsu hydraulic ports and standard BSP fittings?

Yes. The JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 is designed specifically for Komatsu-style JIS ports and for mating with BSP external-thread fittings. Its GZ metric external thread uses the 60Â° inverted cone seal required by Komatsu (JIS) highâpressure ports, while the GZ BSP external thread uses the 60Â° cone seal compatible with standard BSP fittings. Made of carbon steel and galvanized, this A502 type adaptor provides the correct sealing geometries and materials for use between Komatsu hydraulic ports and standard BSP fittings, so it is compatible when the port and fitting sizes match. Ensure thread size and pressure rating match your system before installation.

Does the JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 require specific torque values for proper sealing?

Yes. The JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 requires appropriate tightening torque to ensure proper sealing of the 60Â° inverted cone (metric) and 60Â° cone (BSP) metal-to-metal seals. Correct torque prevents leaks, avoids damage to threads and sealing faces, and ensures reliable high-pressure performance. Specific torque values depend on thread size, lubrication (galvanized surface condition), assembly method and pressure rating; therefore follow the manufacturer's recommended torque chart or relevant standards for JIS Komatsu A502 fittings. If manufacturer data is unavailable, consult a hydraulic fittings torque reference or a qualified engineer to determine the exact torque for the given thread sizes and application.

Can the JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 be used in corrosive environments?

No. the JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 is not suitable for prolonged use in strongly corrosive environments. Explanation: The adaptor is made of carbon steel with a galvanized (zinc) coating. Galvanization offers limited corrosion protection suitable for general-purpose, outdoor, or mildly corrosive atmospheres (e.g., occasional moisture, light industrial environments). However, in aggressive corrosive conditions. such as marine, salt spray, acidic or alkaline atmospheres, chemical plants, or continuous high-humidity exposure. the zinc coating will deteriorate over time, exposing the underlying carbon steel to rapid corrosion. Corrosion can compromise sealing surfaces (60Â° inverted cone/60Â° cone), threads, and mechanical strength, leading to leaks or failure under high pressure. Recommendations: - For corrosive environments, choose adaptors made of corrosion-resistant materials such as stainless steel (e.g., 316/316L) or brass where appropriate, or use special coatings/platings rated for the specific corrosive agents. - If using the A502 in marginally corrosive settings, implement protective measures: regular inspection, sacrificial coatings, corrosion inhibitors, proper sealing, and environmental controls to limit exposure. - Verify compatibility with the specific fluids, temperatures, and exposure duration before installation. Conclusion: The JIS Komatsu adaptor - nipple GZ METRIC x GZ BSP, carbon steel, type A502 may be acceptable for mild environments but is not recommended for corrosive service without additional corrosion protection or material substitution.

JIS Komatsu adaptor – nipple GZ METRIC x GZ BSP, carbon steel, type A502

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Additional information

Material	CS – steel (cast iron)

High-pressure adaptor JIS type A502 with external metric thread (60° inverted cone seal) – KOMATSU and with external BSP thread (60° cone seal). Material: carbon steel, galvanized.

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
TI-A502-14-04	Adaptor GZ M14x1.5 JIS / GZ BSP 1/4"	-	345	In stock	Enquiry
TI-A502-18-06	Adaptor GZ M18x1.5 JIS / GZ BSP 3/8"	-	345	In stock	Enquiry
TI-A502-22-08	Adaptor GZ M22x1.5 JIS / GZ BSP 1/2"	-	345	In stock	Enquiry
TI-A502-24-10	Adaptor GZ M24x1.5 JIS / GZ BSP 5/8"	-	275	In stock	Enquiry
TI-A502-30-12	Adaptor GZ M30x1.5 JIS / GZ BSP 3/4"	-	205	In stock	Enquiry
TI-A502-33-16	Adaptor GZ M33x1.5 JIS / GZ BSP 1"	-	205	In stock	Enquiry

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High-pressure adaptor JIS type A502 with external metric thread (60° inverted cone seal) – KOMATSU and with external BSP thread (60° cone seal). Material: carbon steel, galvanized.