{"id":5169,"date":"2026-09-18T09:48:03","date_gmt":"2026-09-18T09:48:03","guid":{"rendered":"https:\/\/www.henghuahose.com\/?post_type=product&p=5169"},"modified":"2026-09-18T09:48:05","modified_gmt":"2026-09-18T09:48:05","slug":"jic-male-74-degree-cone-jic-female-74-degree-seat-run-tee-adapter-cj","status":"publish","type":"product","link":"https:\/\/www.henghuahose.com\/ar\/product\/jic-male-74-degree-cone-jic-female-74-degree-seat-run-tee-adapter-cj\/","title":{"rendered":"CJ Adapter – JIC Male 74\u00b0 Cone to JIC Female 74\u00b0 Seat Run Tee Hydraulic Adapter (SAE J514)"},"content":{"rendered":"
The CJ adapter is a run tee hydraulic adapter that carries two JIC male 74\u00b0 cone ends, marked E and G on the run, and one JIC female 74\u00b0 seat end marked F on the branch, so a line can be split or combined through a tee while the sealing gender changes between the run and the branch. The run ends present an external 74\u00b0 cone, the branch presents an internal 74\u00b0 seat, and both sides seal metal-to-metal on that cone face under SAE J514. Its purpose is to give a circuit one tee body that mates with male cone ports and male cone tube ends on the run and accepts a male cone tube end through a female seat port on the branch.<\/p>\r\n\r\n\r\n\r\n
Both ends of the part must match their mating seat exactly in thread form, thread size and cone angle, because that match is the precondition for eliminating leakage at the conversion point. A CJ adapter that starts on the mating thread but carries the wrong cone angle will seat on the wrong line of contact and weep under pressure.<\/p>\r\n\r\n\r\n\r\n
Sealing principle of this series: a 74\u00b0 cone joint seals metal-to-metal on the wide 74\u00b0 cone face, with the nut drawing the cone into the matching seat. This series does not seal on a 37\u00b0 flare, on an O-ring face, on a dryseal taper thread or on a four-bolt flange.<\/p>\r\n\r\n\r\n\r\n
Core Advantages<\/h2>\r\n\r\n\r\n\r\n
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Two JIC male 74\u00b0 cone ends on the run and one JIC female 74\u00b0 seat end on the branch, so one body covers both genders of the same cone family.<\/li>\r\n\r\n\r\n\r\n
Metal-to-metal 74\u00b0 cone seating at every port, so no elastomer is needed to hold system pressure at the joint.<\/li>\r\n\r\n\r\n\r\n
Eleven printed rows from CJ-04 to CJ-32, covering 7\/16″X20 through 2.1\/2″X12 in one size progression.<\/li>\r\n\r\n\r\n\r\n
Carbon steel with trivalent chromium zinc plating, or 304 \/ 316 stainless steel for corrosive and offshore service.<\/li>\r\n\r\n\r\n\r\n
Nut and sleeve for the mating tube ends are ordered separately against the printed NB200, NB300 and NB500 references.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
1. What a CJ Adapter Does<\/h2>\r\n\r\n\r\n\r\n
A CJ adapter joins three JIC 74\u00b0 cone connections in one body: the E and G ports at the two ends of the horizontal run, and the F port on the vertical branch. The run ports are male cone stud ends, and the branch port is a female cone seat. Flow entering the run is divided between the opposite run port and the branch port, and flow entering the branch is divided between the two run ports, in either direction and without a preferred flow path.<\/p>\r\n\r\n\r\n\r\n
The geometry matters as much as the thread. A run tee carries its main flow path straight through the body along one axis, and the branch leaves that axis at 90\u00b0. The through ports are the run ports, E and G. The perpendicular port is the branch port, F. On this series the run is the male cone side and the branch is the female seat side, which is the opposite arrangement of the branch tee variant of the same family.<\/p>\r\n\r\n\r\n\r\n
The gender difference is the reason this series exists. A circuit that already uses JIC 74\u00b0 cone tube ends needs both a male stud end and a female seat end at the same junction, and a single tee that provides both removes a coupling from the assembly. Fewer joints mean fewer potential leak paths, less wrench clearance needed around the junction and a shorter installed envelope.<\/p>\r\n\r\n\r\n\r\n
2. CJ Specifications<\/h2>\r\n\r\n\r\n\r\n
The three ports are presented below as two mirrored blocks: one for the run ends E and G, one for the branch end F. Read the run block first, then the branch block, then confirm both against the mating ports on the equipment.<\/p>\r\n\r\n\r\n\r\n
2.1 Connection 1 – JIC male 74\u00b0 cone, E and G ports on the run<\/h3>\r\n\r\n\r\n\r\n
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Thread standard and family: SAE J514 hydraulic tube fitting, SAE 74\u00b0 seat \/ flareless cone family.<\/li>\r\n\r\n\r\n\r\n
Thread size range available at E and G: 7\/16″X20 through 2.1\/2″X12, in the steps printed in table 2.5.<\/li>\r\n\r\n\r\n\r\n
Gender: male, with an external 74\u00b0 cone at each run end.<\/li>\r\n\r\n\r\n\r\n
Sealing method: metal-to-metal contact between the external 74\u00b0 cone and the internal 74\u00b0 seat of the mating port or hose end.<\/li>\r\n\r\n\r\n\r\n
Mating connection standard: a JIC female 74\u00b0 seat port or hose end of the same thread size, per SAE J514.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
2.2 Connection 2 – JIC female 74\u00b0 seat, F port on the branch<\/h3>\r\n\r\n\r\n\r\n
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Thread standard and family: SAE J514, same 74\u00b0 cone family as the run ports.<\/li>\r\n\r\n\r\n\r\n
Thread size range available at F: the same eleven steps as connection 1, from 7\/16″X20 to 2.1\/2″X12.<\/li>\r\n\r\n\r\n\r\n
Gender: female, with an internal 74\u00b0 seat machined inside the branch port.<\/li>\r\n\r\n\r\n\r\n
Sealing method: metal-to-metal contact between the internal seat and the external 74\u00b0 cone of the mating male stud end, drawn in by the mating nut.<\/li>\r\n\r\n\r\n\r\n
Mating connection standard: a JIC male 74\u00b0 cone stud end or tube end of the same thread size, per SAE J514.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Each printed row therefore applies one size code to all three ports, so a CJ-08 tee takes 3\/4″X16 cone threads at both run ends and at the branch.<\/p>\r\n\r\n\r\n\r\n
2.3 Construction and Materials<\/h3>\r\n\r\n\r\n\r\n
The body is machined from bar stock on CNC lathes as a tee, then drilled on the run axis and the branch axis, turned with the external cone at both run ends and the internal seat at the branch, and threaded at all three ports.<\/p>\r\n\r\n\r\n\r\n
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Body material: carbon steel as standard; 304 stainless steel, 316 stainless steel or brass on request.<\/li>\r\n\r\n\r\n\r\n
Plating: trivalent chromium zinc plating (Cr3+) for carbon steel as standard; zinc-nickel plating available. Plating thickness and corrosion performance are confirmed per order rather than published as a series figure.<\/li>\r\n\r\n\r\n\r\n
Seal material: the metal cone joint carries no elastomer. Where the same circuit uses O-ring sealed components, NBR, FKM (Viton-type) and EPDM are the available seal material options and are matched to the fluid and temperature of the system.<\/li>\r\n\r\n\r\n\r\n
Hex features: two hexes measured as S1 and S2 in table 2.5, used to hold the body while the run and branch joints are made up.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
2.4 Pressure and Temperature<\/h3>\r\n\r\n\r\n\r\n
Working pressure for a CJ adapter is not set by the series code. It is governed by the thread size, the wall thickness of the tee body, the sealing method and the material selected, and it is limited by the mating cone joints at the three ports. Working pressure for these sizes is confirmed per order by HENGHUA engineering, based on the thread size, sealing method and material selected.<\/p>\r\n\r\n\r\n\r\n
On the temperature side, a metal-to-metal cone joint follows the body material rather than an elastomer. Published material ranges of the elastomers used elsewhere in the same hydraulic circuit are approximately -30\u00b0C to +100\u00b0C for NBR, -20\u00b0C to +200\u00b0C for FKM (Viton-type) and -40\u00b0C to +120\u00b0C for EPDM.<\/p>\r\n\r\n\r\n\r\n
2.5 Part Number and Dimension Table<\/h3>\r\n\r\n\r\n\r\n
The table below is the complete printed size range of the CJ series. All dimensions are in millimetres. Columns E, F and G are threads; columns A, B, C, S1 and S2 are dimensions.<\/p>\r\n\r\n\r\n\r\n
Ordering note printed with this table: nut and sleeve should be ordered separately. The nut NB200 and sleeve NB500 is suitable for metric tube, the nut NB200 and sleeve NB300 is suitable for inch tube.<\/p>\r\n\r\n\r\n\r\n
What each column means<\/strong><\/p>\r\n\r\n\r\n\r\n
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PART NO.<\/strong> – the HENGHUA part number. The prefix CJ marks the run tee adapter body of the JIC male 74\u00b0 cone \/ JIC female 74\u00b0 seat family, and the number after the dash is the size code.<\/li>\r\n\r\n\r\n\r\n
E<\/strong> – the thread at the first run port, a JIC male 74\u00b0 cone stud end. 7\/16\"X20<\/code> means a 7\/16″ nominal JIC thread at 20 threads per inch per SAE J514.<\/li>\r\n\r\n\r\n\r\n
F<\/strong> – the thread at the branch port, a JIC female 74\u00b0 seat port. It is the same notation and the same nominal size as E in every row of this table.<\/li>\r\n\r\n\r\n\r\n
G<\/strong> – the thread at the second run port, the opposite end of the run from E, in the same notation.<\/li>\r\n\r\n\r\n\r\n
A<\/strong> – the run-end dimension at the E port in millimetres, as marked on the series drawing.<\/li>\r\n\r\n\r\n\r\n
B<\/strong> – the run-end dimension at the G port in millimetres. A and B are equal in every printed row, because the two run ends are the same size.<\/li>\r\n\r\n\r\n\r\n
C<\/strong> – the branch dimension at the F port in millimetres, measured at the female 74\u00b0 seat end as marked on the series drawing. C is smaller than A and B because the female seat port is shorter than the male cone stud ends.<\/li>\r\n\r\n\r\n\r\n
S1<\/strong> – hex across flats in millimetres on the run body, the wrench size used to hold the tee while a run joint is made up.<\/li>\r\n\r\n\r\n\r\n
S2<\/strong> – hex across flats in millimetres on the branch body, the wrench size used to hold the tee while the branch joint is made up.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Thread size and dash chart<\/strong><\/p>\r\n\r\n\r\n\r\n
The dash code is the size step. The JIC adapter size code follows the SAE dash system, where the code is the nominal tube outside diameter in sixteenths of an inch.<\/p>\r\n\r\n\r\n\r\n
3. How to Read a CJ Part Number<\/h2>\r\n\r\n\r\n\r\n
A CJ part number has two elements: the family prefix and the size code.<\/p>\r\n\r\n\r\n\r\n
The prefix CJ identifies the body as a JIC adapter body with a run tee shape in the SAE J514 JIC 74\u00b0 cone family, with male cone stud ends on the run and a female cone seat on the branch. The letter sequence distinguishes the body type and thread combination within the American Adapters range, where a straight version of the same gender pair carries a different prefix and the branch tee of the same family is listed separately.<\/p>\r\n\r\n\r\n\r\n
The size code is the JIC dash number. It is read as the nominal tube outside diameter in sixteenths of an inch, so 04 is 4\/16″ or 1\/4″, 08 is 8\/16″ or 1\/2″ and 12 is 12\/16″ or 3\/4″. The code is quoted with the thread designation in table 2.5 so there is no need to convert it by hand.<\/p>\r\n\r\n\r\n\r\n
Worked example: CJ-08.<\/strong><\/p>\r\n\r\n\r\n\r\n
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CJ<\/code> – run tee body of the JIC male 74\u00b0 cone \/ JIC female 74\u00b0 seat family.<\/li>\r\n\r\n\r\n\r\n
08<\/code> – size code 8, which is the 3\/4″X16 JIC thread per SAE J514.<\/li>\r\n\r\n\r\n\r\n
From the table: E, F and G are all 3\/4″X16, A and B are 32 mm, C is 9.5 mm, S1 is 19 mm and S2 is 24 mm.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
A buyer ordering CJ-08 therefore receives a run tee with two 3\/4″X16 male 74\u00b0 cone ends on the run and one 3\/4″X16 female 74\u00b0 seat end on the branch, with a 19 mm hex on the run and a 24 mm hex on the branch. Where the catalogue prints only one size code for a tee, all three ports carry that size. If your drawing shows a suffix or a multi-code part number, quote the full number as printed.<\/p>\r\n\r\n\r\n\r\n
4. Installation and Fitment<\/h2>\r\n\r\n\r\n\r\n
A 74\u00b0 cone joint is made by drawing a cone into its seat until the two metal faces lock, so tightening is a feel-and-angle operation rather than a flat torque figure. HENGHUA does not publish a single torque figure for the series. Follow the equipment maker’s recommendation, or confirm the figure with HENGHUA per order.<\/p>\r\n\r\n\r\n\r\n
Check the cone before you check the torque.<\/strong> The seal is the cone face itself, so a nick, a burr or a ring of debris on a cone or in a seat will leak no matter how well the nut is tightened.<\/p>\r\n\r\n\r\n\r\n
Start the run joints first.<\/strong> Bring the two run ends in hand-tight, because they set the position of the whole tee. Clock the branch to the direction the line needs, hold the run hex S1 and snug both run joints, then make up the branch joint while holding the branch hex S2.<\/p>\r\n\r\n\r\n\r\n
Tube ends need the correct nut and sleeve.<\/strong> Where a JIC tube end is fitted to the branch, the nut and sleeve are separate items ordered against the printed references: NB200 nut with NB500 sleeve for metric tube, and NB200 nut with NB300 sleeve for inch tube.<\/p>\r\n\r\n\r\n\r\n
Contamination and reuse.<\/strong> Cap all three ports in storage, because the cone faces and seats are the sealing surfaces and debris scores them. The body can be reused while the threads and cone faces are undamaged.<\/p>\r\n\r\n\r\n\r\n
Common fitment errors and their symptoms:<\/p>\r\n\r\n\r\n\r\n
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Mixing a 37\u00b0 flare with a 74\u00b0 cone. Symptom: the nut bottoms on the thread before the faces touch, and the joint weeps at low pressure.<\/li>\r\n\r\n\r\n\r\n
A cross-threaded nut started by hand at an angle. Symptom: a torn thread and a nut that will not seat, with metal particles in the circuit.<\/li>\r\n\r\n\r\n\r\n
Reusing a flared tube end that has been deformed. Symptom: a repeat weep at the same port after every re-tightening.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Confirm that all three mating connections are JIC 74\u00b0 cone ports of the same thread size as the E, F and G columns.<\/li>\r\n\r\n\r\n\r\n
Inspect the two cone stud ends and the branch seat for nicks, burrs and debris, and check the threads with a gauge where available.<\/li>\r\n\r\n\r\n\r\n
Clean the cones, the seat and the mating parts, and remove any old sealant or tape from the threads.<\/li>\r\n\r\n\r\n\r\n
Fit the two run joints hand-tight, set the branch direction and snug both run ports while holding the run hex.<\/li>\r\n\r\n\r\n\r\n
Make up the branch joint with the correct nut and sleeve, holding the branch hex.<\/li>\r\n\r\n\r\n\r\n
Leak-check all three ports at system pressure, then re-check after the first thermal cycle and re-torque only if a weep appears.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n
5. Applications and Industries<\/h2>\r\n\r\n\r\n\r\n
Application tags for this series: hydraulic systems, water jetting, oil and gas, industrial equipment, construction machinery, agriculture, marine, material handling. A tee adapter of this type is specified by its three ports and its body geometry rather than by industry, so one part serves several sectors.<\/p>\r\n\r\n\r\n\r\n
A third port on an existing cone line.<\/strong> When a circuit has to gain a pressure gauge, a return line or a pilot take-off, the CJ adapter is fitted into the existing JIC 74\u00b0 cone connection as a run tee adapter. The two run ends continue the original line and the branch serves the new function, without cutting a new port into the manifold.<\/p>\r\n\r\n\r\n\r\n
Cross-standard equipment integration.<\/strong> Where a cone circuit works with a manifold that carries female cone ports, the male run ends of this JIC adapter enter those ports directly, while the female branch seat accepts a standard male cone tube end. The part removes one coupling from the junction.<\/p>\r\n\r\n\r\n\r\n
Repair and replacement.<\/strong> Maintenance crews keep the common size codes on the shelf as junction stock, because a damaged port on an existing tee can be recovered by replacing the tee body rather than reworking the line. The printed table makes the size match straightforward.<\/p>\r\n\r\n\r\n\r\n
6. Replacement and Cross-Reference Guide<\/h2>\r\n\r\n\r\n\r\n
Cross-reference for this series is organised by standard and sealing method, never by brand. Two tee adapters interchange only if the thread form, the nominal size, the pitch, the gender at each port and the run or branch geometry all match.<\/p>\r\n\r\n\r\n\r\n
A CJ adapter is a run tee in the SAE J514 JIC 74\u00b0 cone family, with male cone ports on the run and a female seat port on the branch. It is not interchangeable with a JIC 37\u00b0 flared tee, which seals on a 37\u00b0 flare face, nor with an ORFS tee, which seals a flat face against an elastomeric O-ring under SAE J1453. The JIC male cone tee without a female branch is a different body, and so is the branch tee version of this family, in which the run and branch genders are reversed.<\/p>\r\n\r\n\r\n\r\n
To identify the correct replacement, measure three things.<\/p>\r\n\r\n\r\n\r\n
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Thread.<\/strong> Measure the outside diameter and pitch of each male cone end and the inside diameter and pitch of the female seat, then compare with the E, F and G columns.<\/li>\r\n\r\n\r\n\r\n
Seat angle.<\/strong> Confirm that the cone angle is 74\u00b0 and not 37\u00b0 or 60\u00b0. A 74\u00b0 cone is visibly wider than a 37\u00b0 flare and will not seal in a 37\u00b0 seat.<\/li>\r\n\r\n\r\n\r\n
Run and branch geometry.<\/strong> Confirm which ports form the straight run and which port leaves at 90\u00b0, and record A, B and C so the replacement fits the same envelope. A run tee cannot be replaced by a branch tee of the same size.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n
Where the mating port is not a JIC cone, a cross standard adapter of the same size is the correct part rather than a forced thread. Record the measurements with the part number so HENGHUA can match a printed size code.<\/p>\r\n\r\n\r\n\r\n
7. Ordering, Packaging and Delivery<\/h2>\r\n\r\n\r\n\r\n
To order, give the following information:<\/p>\r\n\r\n\r\n\r\n
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Series code: CJ<\/code>.<\/li>\r\n\r\n\r\n\r\n
Full part number, for example CJ-08, taken from table 2.5.<\/li>\r\n\r\n\r\n\r\n
The thread size required at all three ports, read from the E, F and G columns.<\/li>\r\n\r\n\r\n\r\n
The branch direction, so the tee is clocked correctly at assembly.<\/li>\r\n\r\n\r\n\r\n
Nut and sleeve requirement for the tube ends, against the NB200, NB300 and NB500 references.<\/li>\r\n\r\n\r\n\r\n
Body material and plating: carbon steel with trivalent chromium zinc plating, zinc-nickel plating, or 304 or 316 stainless steel.<\/li>\r\n\r\n\r\n\r\n
Quantity, destination and the packing format required.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Packaging formats: bulk cartons for line-side consumption, small boxes for distributor shelves and labelled bags for service kits, each labelled with the part number, the thread sizes and the quantity. Sample orders and first-article parts are available for OEM programmes, including drawing-based manufacture of specials.<\/p>\r\n\r\n\r\n\r\n
Lead time is confirmed per order and depends on size, material, plating and quantity. As a hydraulic adapter manufacturer and supplier, HENGHUA can quote the run tee adapter, the matching nut and sleeve and the packing format as one supply.<\/p>\r\n\r\n\r\n\r\n
8. FAQ<\/h2>\r\n\r\n\r\n\r\n
What is a CJ adapter used for?<\/strong><\/p>\r\n\r\n\r\n\r\n
A CJ adapter is a run tee that joins three JIC 74\u00b0 cone connections in one body. The E and G ports at the two ends of the run are male 74\u00b0 cone stud ends, and the F port on the branch is a female 74\u00b0 seat. Use it where a line has to split or combine flow and where the branch has to accept a male cone tube end while the run mates with cone ports or hose ends per SAE J514.<\/p>\r\n\r\n\r\n\r\n
What is the difference between JIC 37\u00b0 flare and ORFS, and which should I use?<\/strong><\/p>\r\n\r\n\r\n\r\n
A JIC 37\u00b0 flare joint seals metal-to-metal on a 37\u00b0 conical flare face under SAE J514. An ORFS joint seals a flat face against an elastomeric O-ring under SAE J1453. Choose the family that matches the port already on the equipment, because the two are not interchangeable. This series belongs to neither family: it is a 74\u00b0 cone joint of the same SAE J514 standard, sealing on the wide cone face.<\/p>\r\n\r\n\r\n\r\n
Can NPT and BSPT be interchanged?<\/strong><\/p>\r\n\r\n\r\n\r\n
No. NPT is a 60\u00b0 taper pipe thread under ANSI\/ASME B1.20.1, and BSPT is a 55\u00b0 taper pipe thread under ISO 7-1. The form, angle and pitch differ, so the two will not seal even when a few threads start by hand. This series carries no pipe thread at all, so a pipe-threaded device cannot be coupled to it without a cross standard adapter of the correct size.<\/p>\r\n\r\n\r\n\r\n
How do I identify the correct size?<\/strong><\/p>\r\n\r\n\r\n\r\n
Measure the outside diameter and pitch of the mating male cone ends, and the inside diameter and pitch of the mating female seat, then read across the E, F and G columns of table 2.5. When all three match a printed row, that row is the correct part number. Confirm the cone angle as well, because a 37\u00b0 flare and a 74\u00b0 cone look similar at a glance but belong to different seat families.<\/p>\r\n\r\n\r\n\r\n
What seal material should I select for my fluid and temperature?<\/strong><\/p>\r\n\r\n\r\n\r\n
This part contains no elastomer, so the seal is the metal cone face at each port and there is no seal material to select for the tee itself. Where the same circuit uses O-ring sealed components, the published material ranges are approximately -30\u00b0C to +100\u00b0C for NBR, -20\u00b0C to +200\u00b0C for FKM (Viton-type) and -40\u00b0C to +120\u00b0C for EPDM.<\/p>\r\n\r\n\r\n\r\n
How is the working pressure of this adapter determined?<\/strong><\/p>\r\n\r\n\r\n\r\n
Working pressure is not fixed by the series code. It is governed by the thread size, the wall thickness of the tee body, the sealing method and the material selected, and it is limited by the three mating cone joints. Working pressure for these sizes is confirmed per order by HENGHUA engineering, based on the thread size, sealing method and material selected.<\/p>\r\n\r\n\r\n\r\n
What is the minimum order quantity and can I get samples?<\/strong><\/p>\r\n\r\n\r\n\r\n
Minimum order quantity depends on the size code, the material and the plating, so it is confirmed with the quotation rather than published as one series figure. Samples and validation parts are available for OEM and distributor evaluation, including specials made to a drawing.<\/p>\r\n\r\n\r\n\r\n
Send your requirement to HENGHUA<\/strong><\/p>\r\n\r\n\r\n\r\n
Send the part number, the required thread size at all three ports, the branch direction, the nut and sleeve requirement, the material and plating, and the quantity. HENGHUA confirms the match to the printed table, the cone and seat dimensions and the delivery schedule, and quotes the CJ adapter that fits your circuit.<\/p>\r\n\r\n\r\n\r\n
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