Hydraulic Fittings & Adapters

Manufacturer Since 2011

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JIS Fittings

JIS Fittings and JIS Adapters conform to the JIS B8363 specification. Japanese Industrial Standard (JIS) Fittings and 316 Stainless Steel JIS Fittings, in sizes from 1/8″ up to 2″.

These JIS Fitting are available in various thread ends including but not limited to JIS Male to JIS Male Union, JIS Male to British Couplings, JIS Male to JIC Male, JIC Male to JIS Female Swivel, along with JIS Male 45 ° and 90 ° to JIS Female Swivel Adapter, JIS Rigid Swivel Caps, JIS Plugs.

JIS To BSPT

JIS to BSPT Fitting, the thread ends are Male JIS To Male British Pipe Tapered.

JIS To BSPT adapters are included JIS To BSPT 3223, JIS To BSPT 90D Elbow 3224, and JIS To BSPT 45D Elbow 3225.

JIS Cap

JIS Cap, the thread end is Female JIS.

JIS Cap, the end thread size is from 1/4-19 to 2-11.

JIS Plug

JIS Plug with Hexagon Head, the thread end is Male JIS.

JIS Plug, the end thread size is from 1/4-19 to 2-11.

JIC To JIS Fittings

JIC To JIS Fitting, the thread ends is Male JIC To Male JIS.

JIC To JIS fittings, the ends thread sizes are Male JIC from 7/16-20 to 1 1/16-12, Male JIS from 1/4-19 to 3/4-14.

JIC to JIS Solid

JIC To JIS Solid Fitting, the thread ends is Male JIC To Female JIS.

JIC To JIS Solid fittings, the ends thread sizes are Male JIC from 7/16-20 to 2 1/2-12, Female JIS from 1/4-19 to 2-11.

JIS Fittings Tapered Pipe Thread

The Japanese tapered pipe thread connector is identical and interchangeable with the BSPT (tapered) connector. Japanese male thread does not have a 30 ° flare and will not mate with tapered seated BSPP female thread.

The seal on the Japanese tapered pipe thread connector is made on the threads. The use of a thread sealant is recommended. Thread shape according to JIS B 0203 (identical to BSPT)

JIS Fittings 30 ° Flare (female internal taper seat)

This connection uses a 60 ° concave (inverted) seat and parallel threads of British standard pipe. They are not interchangeable with BSPP tapered seat couplings, because the tapered seats are opposite. Thread shape according to JIS B 0202 (identical to BSPP)

Komatsu flared 30 ° (female internal tapered seat)

The threads commonly used on Komatsu equipment (30 ° taper) are metric thread-shaped. Komatsu Style Flange Fitting JIS B 8363

The Komatsu style flange fitting is nearly identical and fully interchangeable with the SAE Code 61 * flange fitting. The dimensions of the O-ring are different between all sizes. When replacing a Komatsu style flange with an SAE style flange, an SAE style O-ring should always be used. * 5/8 ”is not in SAE standards.