The 1J4 adapter is a 45\u00b0 elbow hydraulic adapter with a JIC 74\u00b0 cone male end at each side, made to the SAE J514 standard, so two 74\u00b0 cone tube ends can be joined on a line that changes direction by 45\u00b0. It is used where a hydraulic run has to be angled rather than turned square or run straight, and both ends are male 74\u00b0 cone stud ends.<\/p>\r\n\r\n\r\n\r\n
Both connection ends must match their mating port exactly in thread size, cone angle and seat condition, because a 74\u00b0 cone joint seals metal-to-metal on the wide cone face. That exact match is the precondition for eliminating leakage at the conversion point of a 1J4 adapter.<\/p>\r\n\r\n\r\n\r\n
Sealing principle of this series: each end of the elbow carries a 74\u00b0 external cone that seats on the 74\u00b0 internal cone of the mating seat, producing a metal-to-metal seal with no elastomer in the sealing path. The 1J4 adapter is supplied as the elbow body, so the nut and sleeve that complete each joint are ordered separately.<\/p>\r\n\r\n\r\n\r\n
Ventajas principales<\/h2>\r\n\r\n\r\n\r\n
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45\u00b0 elbow body, so the line changes direction by half a right angle inside the port envelope.<\/li>\r\n\r\n\r\n
Lower flow disturbance than a 90\u00b0 elbow, because the turn is gentler.<\/li>\r\n\r\n\r\n
Equal-ended range from 7\/16″x20 up to 1.5\/16″x12, in seven printed sizes.<\/li>\r\n\r\n\r\n
Metal-to-metal 74\u00b0 cone seal at both ends, with no elastomer in the joint to age, swell or extrude.<\/li>\r\n\r\n\r\n
Centre hex from 11 mm to 33 mm across flats, so standard wrenches fit without special tooling.<\/li>\r\n\r\n\r\n
Carbon steel with trivalent chromium zinc plating; 304 or 316 stainless steel available for corrosive service.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
1. What a 1J4 Adapter Does<\/h2>\r\n\r\n\r\n\r\n
A 1J4 adapter is a 45\u00b0 elbow hydraulic adapter with a JIC 74\u00b0 cone male end at both sides. It connects a tube assembly that is terminated with a JIC 74\u00b0 cone nut and sleeve to a second JIC 74\u00b0 cone connection, on a run that is offset by 45\u00b0 rather than by 90\u00b0 or by nothing at all.<\/p>\r\n\r\n\r\n\r\n
The part does one job: it moves fluid between two 74\u00b0 cone ports and turns the direction of the run by 45\u00b0 along the way. Every size printed in this series is equal-ended, so the same thread size appears in the E and F columns of each row, and the leg dimensions A and B are therefore equal in every row.<\/p>\r\n\r\n\r\n\r\n
The two legs of the elbow sit at 45\u00b0 to one another. One leg runs into the equipment port and the other runs along the tube, and the angle between the two thread axes is 45\u00b0. The centre hex S1 sits at the junction of the two legs, so the body can be held with a wrench while each tube nut is run up on its cone.<\/p>\r\n\r\n\r\n\r\n
Why an elbow is chosen over a straight stud.<\/strong> A straight stud keeps the flow path axial and produces the least flow disturbance, but it leaves the direction change to something else in the circuit. With a straight stud, a 45\u00b0 change has to be absorbed by a pre-bent tube, a formed hose, or a second fitting further along the line. Each of those options adds a joint and takes up space that a machine envelope may not have. A 45\u00b0 elbow hydraulic adapter makes the change at the port itself, so the tube can leave at the exact angle the routing needs, and the assembly needs one fewer connection.<\/p>\r\n\r\n\r\n\r\n
The 45\u00b0 form sits between the straight stud and the 90\u00b0 elbow. It gives a real direction change while keeping the bend gentler than a right angle, so it disturbs the flow less than a 90\u00b0 elbow and it often leaves more room for a wrench than a 90\u00b0 elbow in a tight corner. The rule is to use a straight stud when the line can run straight, a 45\u00b0 elbow when the run has to be angled, and a 90\u00b0 elbow only when the run has to be turned square. Choosing by geometry rather than by habit keeps the pressure drop and the assembly access under control.<\/p>\r\n\r\n\r\n\r\n
2. 1J4 Specifications<\/h2>\r\n\r\n\r\n\r\n
2.1 Connection 1 – JIC 74\u00b0 cone male end (E)<\/h3>\r\n\r\n\r\n\r\n
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Thread standard and family: SAE J514, JIC 74\u00b0 cone seat family.<\/li>\r\n\r\n\r\n
Thread size range available: 7\/16″x20 to 1.5\/16″x12, in the steps printed in table 2.5.<\/li>\r\n\r\n\r\n
Gender: male stud end.<\/li>\r\n\r\n\r\n
Sealing method: 74\u00b0 external cone seating metal-to-metal on the mating 74\u00b0 internal cone.<\/li>\r\n\r\n\r\n
Mating port standard: SAE J514 74\u00b0 cone seat, made up with the matching nut and sleeve for the tube.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
2.2 Connection 2 – JIC 74\u00b0 cone male end (F)<\/h3>\r\n\r\n\r\n\r\n
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Thread standard and family: SAE J514, JIC 74\u00b0 cone seat family.<\/li>\r\n\r\n\r\n
Thread size range available: 7\/16″x20 to 1.5\/16″x12, in the same steps as connection 1.<\/li>\r\n\r\n\r\n
Gender: male stud end.<\/li>\r\n\r\n\r\n
Sealing method: 74\u00b0 external cone seating metal-to-metal on the mating 74\u00b0 internal cone.<\/li>\r\n\r\n\r\n
Mating port standard: SAE J514 74\u00b0 cone seat, made up with the matching nut and sleeve for the tube.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
2.3 Construction and Materials<\/h3>\r\n\r\n\r\n\r\n
The body of this JIC male adapter is machined from bar stock on CNC lathes, with both cones, both threads and the hex turned in one setup so that the two legs stay at exactly 45\u00b0 and each cone stays concentric with its thread.<\/p>\r\n\r\n\r\n\r\n
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Body material: carbon steel as standard; 304 stainless steel or 316 stainless steel on request; brass for selected sizes.<\/li>\r\n\r\n\r\n
Plating and finish: 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
Seal material options: the 74\u00b0 cone joint is metal-to-metal, so the 1J4 adapter itself carries no elastomer. Where the same circuit uses elastomer-sealed components, NBR, FKM and EPDM are the available seal compounds.<\/li>\r\n\r\n\r\n
Machining process: bar-stock turning, thread form produced to the port standard, both cones checked against the drawing and against each other for the 45\u00b0 angle.<\/li>\r\n\r\n\r\n
Hex feature: a single centre hex (S1) on the body, from 11 mm to 33 mm across flats depending on size. There is no bulkhead feature in this series.<\/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 1J4 adapter is not set by the series code. It is governed by the thread size, the wall thickness of the tube and the stud, the sealing method and the material selected. 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
Temperature is a material question and is stated here as a material fact rather than a performance claim. For NBR seals, the working range is approximately -30\u00b0C to +100\u00b0C. For FKM (Viton-type) seals, it is approximately -20\u00b0C to +200\u00b0C. For EPDM seals, it is approximately -40\u00b0C to +120\u00b0C. These figures apply to the elastomer, and therefore to the elastomer-sealed components in a circuit rather than to the metal cone joints of this series.<\/p>\r\n\r\n\r\n\r\n
Carbon steel with zinc plating suits general hydraulic service; specify 304 or 316 stainless steel for corrosive, offshore or washdown environments.<\/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 1J4 series. All length and hex dimensions are in millimetres.<\/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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N.\u00ba DE PIEZA.<\/strong> – the HENGHUA part number. The series prefix 1J4<\/code> is followed by a single size code for every row of this series.<\/li>\r\n\r\n\r\n
E<\/strong> – the thread of connection 1, printed as diameter x threads per inch in the SAE style, for example 7\/16\"X20<\/code>.<\/li>\r\n\r\n\r\n
F<\/strong> – the thread of connection 2, in the same notation. On this series E and F are identical in every row, so every part is equal-ended.<\/li>\r\n\r\n\r\n
A<\/strong> – the leg dimension printed for connection 1, in millimetres, as marked on the series drawing.<\/li>\r\n\r\n\r\n
B<\/strong> – the leg dimension printed for connection 2, in millimetres, on the same basis. Because the series is equal-ended, A and B are equal in every row.<\/li>\r\n\r\n\r\n
S1<\/strong> – the hex across flats, in millimetres, used to hold the elbow body with a wrench during assembly.<\/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. In the SAE convention it follows the nominal tube outside diameter in sixteenths of an inch, so -04 is a 1\/4″ tube size. The printed thread for each code in this series is:<\/p>\r\n\r\n\r\n\r\n
Size code<\/th>
Thread printed in this series<\/th><\/tr><\/thead>
The series starts at -04 and steps to -16; the smaller -02 and -03 JIC sizes and the larger -20, -24 and -32 sizes are not printed in the 1J4 elbow table, but they exist in the straight stud versions of the same family.<\/p>\r\n\r\n\r\n\r\n
3. How to Read a 1J4 Part Number<\/h2>\r\n\r\n\r\n\r\n
A 1J4 part number has two elements: the series prefix and one size code.<\/p>\r\n\r\n\r\n\r\n
The prefix 1J4<\/code> identifies the geometry: a 45\u00b0 elbow male adapter with a JIC 74\u00b0 cone end at both sides. The 4<\/code> in the prefix marks the 45\u00b0 elbow form in this catalogue family; a 9<\/code> in the same position marks the 90\u00b0 elbow form, and no digit at all marks the straight stud form. The letter J<\/code> marks the JIC 74\u00b0 cone family.<\/p>\r\n\r\n\r\n\r\n
The size code is the SAE dash size, and on this series there is only one code because every printed part is equal-ended. A second size code would make the part an elbow reducer between two sizes, which is available on request rather than printed in this table.<\/p>\r\n\r\n\r\n\r\n
Worked example: 1J4-08.<\/strong><\/p>\r\n\r\n\r\n\r\n
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1J4<\/code> – 45\u00b0 elbow, JIC 74\u00b0 cone male end at both sides, SAE J514.<\/li>\r\n\r\n\r\n
08<\/code> – both connections are the 3\/4″x16 size.<\/li>\r\n\r\n\r\n
From the table: A is 26.8 mm, B is 26.8 mm and S1 is 19 mm.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
A buyer ordering 1J4-08 therefore receives a 45\u00b0 elbow with two identical 74\u00b0 cone ends, and must fit the nut and sleeve that match each tube. The same size codes are used across the JIC 74\u00b0 cone family, so the straight stud, the 45\u00b0 elbow and the 90\u00b0 elbow versions of a given size fit the same tube assemblies. Check the series prefix first, then the size code.<\/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 assembled by hand first and then tightened to seat the cone. HENGHUA does not print a single torque figure for the series, because the correct tightening depends on the nut and sleeve fitted, the tube material and the wall thickness. Follow the nut supplier’s recommendation, or confirm the tightening figure with HENGHUA engineering per order. Bring the nut up by hand until it is snug against the cone, then tighten in stages, and never use a pipe extension or an impact tool on a cone joint.<\/p>\r\n\r\n\r\n\r\n
Cone seat handling: keep both the stud cones and the mating female cones clean and free of nicks. Wipe each cone with a lint-free cloth and inspect it under good light before assembly. A cone that has been overtightened is already deformed and must be replaced.<\/p>\r\n\r\n\r\n\r\n
Thread preparation: JIC 74\u00b0 cone threads are not the sealing element, so do not wrap them with thread tape or use sealant as a leak cure. A light oil on the threads lets the nut run up smoothly.<\/p>\r\n\r\n\r\n\r\n
Contamination control: cap open ends before storage and before the line goes back into service, because debris that reaches a cone seat scores the faces and produces a seep that no further tightening removes.<\/p>\r\n\r\n\r\n\r\n
Alignment: on a 45\u00b0 elbow, both legs have to be brought square to their mating seats before the nuts are tightened, because the body cannot rotate once both joints are made up. Position the elbow so that each leg points at its tube, and hold the body on the hex while each nut is run up.<\/p>\r\n\r\n\r\n\r\n
Reuse policy: the elbow body with undamaged cones can be reused. The nut and sleeve are the wear items, and the assembly is replaced whenever a cone shows galling or a bright polished band.<\/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 seat. Symptom: the nut runs up but the joint weeps at first pressure, and the two seat angles are visibly different under inspection.<\/li>\r\n\r\n\r\n
Fitting the wrong dash size. Symptom: the nut will not start by hand, or starts and then bottoms out without contact on the cone.<\/li>\r\n\r\n\r\n
Tightening both ends before checking the leg orientation. Symptom: the tube has to be forced sideways into place, and the loaded cone weeps at first pressure.<\/li>\r\n\r\n\r\n
Overtightening to stop a seep. Symptom: a deformed cone and a leak that returns immediately.<\/li>\r\n<\/ul>\r\n\r\n\r\n\r\n
Confirm the part number against the line list and check that both threads match their mating tube assemblies.<\/li>\r\n\r\n\r\n
Inspect both cones and the mating seats for nicks, corrosion and previous overtightening marks.<\/li>\r\n\r\n\r\n
Clean the cones and the threads with a lint-free cloth and a compatible cleaning fluid.<\/li>\r\n\r\n\r\n
Fit the nut and sleeve to each tube, then offer the elbow up and set the 45\u00b0 orientation so both legs point at their tubes.<\/li>\r\n\r\n\r\n
Run each nut up by hand until it is snug, then tighten in stages to the recommended figure, holding the body on the hex without an extension bar.<\/li>\r\n\r\n\r\n
Pressurise the circuit, check both ends for weeping, and re-check the tightness after the first thermal cycle.<\/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 fitting in this series is specified by its thread pair rather than by industry, so the same part serves several of these sectors.<\/p>\r\n\r\n\r\n\r\n
Cross-standard equipment integration.<\/strong> A machine built to an SAE J514 tube standard often has to connect to a line assembled elsewhere on a slightly different axis. The 45\u00b0 elbow makes that offset at the port, and it does so with less flow disturbance than a right-angle elbow, which keeps the pressure drop of the conversion point low. A cross standard adapter is the correct part when the port follows another standard.<\/p>\r\n\r\n\r\n\r\n
Repair and replacement.<\/strong> Maintenance crews fit a 1J4 adapter when a tube end or a stud has to be replaced on site and the original routing is at 45\u00b0. Because the series is equal-ended and covers the common sizes, the replacement is usually drawn from stock rather than made as a special.<\/p>\r\n\r\n\r\n\r\n
High-pressure test benches.<\/strong> Test rigs need repeatable, replaceable interfaces between the pump side, the gauge line and the test article. The metal-to-metal cone joint gives a stable seal across thermal cycles, the gentler 45\u00b0 bend keeps the bench plumbing tidy, and the centre hex holds the body while each nut is tightened.<\/p>\r\n\r\n\r\n\r\n
OEM assembly lines.<\/strong> For production lines, this series is supplied to a drawing-based specification with the plating and material fixed per programme, and packed for line-side delivery to the correct station.<\/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 hydraulic tube fittings interchange only if the standard, the thread size, the seat angle and the seal type all match.<\/p>\r\n\r\n\r\n\r\n
A JIC male adapter in this series is a SAE J514 elbow with a 74\u00b0 cone at both ends. It is not interchangeable with a JIC 37\u00b0 flare fitting: the thread may look similar at some sizes, but a 37\u00b0 flare seals on the conical flare face while a 74\u00b0 cone seals on the wide cone face, and the two seats will not mate. It is also not interchangeable with an ORFS fitting, which seals a flat face against an elastomeric O-ring under SAE J1453, or with an NPT fitting, which seals on the thread flanks under ANSI\/ASME B1.20.1 and needs a sealant.<\/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 of the thread and the pitch. A 7\/16″ end measures about 11.1 mm outside diameter with 20 threads per inch; a 9\/16″ end measures about 14.3 mm with 18 threads per inch. Record diameter and pitch together, because the same diameter can appear with a different pitch in another family.<\/li>\r\n\r\n\r\n
Seat angle.<\/strong> Use a seat angle gauge or a straight edge against the cone. A 74\u00b0 cone is a wide, shallow cone; a 37\u00b0 flare is a narrow, steeper flare. If the angles differ, the parts do not interchange regardless of thread match.<\/li>\r\n\r\n\r\n
Seal type.<\/strong> Confirm whether the joint relies on a metal cone, an elastomer O-ring or the thread itself. A 74\u00b0 cone joint has no O-ring in the sealing path; if the part in your hand has a captive O-ring or a flat face groove, it belongs to a different family. Order a cross standard adapter rather than forcing the thread.<\/li>\r\n<\/ol>\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: 1J4<\/code>.<\/li>\r\n\r\n\r\n
Full part number, for example 1J4-08, taken from table 2.5.<\/li>\r\n\r\n\r\n
Thread sizes for connection 1 and connection 2, read from the E and F columns.<\/li>\r\n\r\n\r\n
Nut and sleeve requirement, including the tube standard (metric tube uses nut NB200 with sleeve NB500; inch tube uses nut NB200 with sleeve NB300), because these are ordered separately from the body.<\/li>\r\n\r\n\r\n
Seal material for the elastomer-sealed components in the circuit: NBR, FKM or EPDM.<\/li>\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
Quantity, and the destination and 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.<\/p>\r\n\r\n\r\n\r\n
Sample orders: validation samples and first-article parts are available for OEM programmes, including drawing-based manufacture of specials where the printed table does not cover the required combination.<\/p>\r\n\r\n\r\n\r\n
Lead time is confirmed per order, because it depends on the size, the material, the plating and the quantity. Send the requirement with the quantity and the required date, and HENGHUA confirms the schedule with the quotation. As a hydraulic adapter manufacturer and hydraulic adapter supplier, HENGHUA can quote the body, the nut and the sleeve as one matched kit.<\/p>\r\n\r\n\r\n\r\n
8. FAQ<\/h2>\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. The 1J4 series is on the JIC 74\u00b0 cone side of SAE J514, so confirm the seat angle before ordering.<\/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 thread form, the angle and the pitch differ, so the two will not seal even though some sizes start by hand. Neither thread appears on this series, which is a JIC 74\u00b0 cone part at both ends; use the thread that the port is machined to, and order a cross standard adapter when the two sides differ.<\/p>\r\n\r\n\r\n\r\n
How do I identify the correct 1J4 size?<\/strong><\/p>\r\n\r\n\r\n\r\n
Measure the thread outside diameter and the pitch on the mating port, then read across the E and F columns of table 2.5 for that thread. When the thread and the cone angle both match a printed row, that row is the correct part number. Then confirm that the 45\u00b0 body angle matches the routing.<\/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
For general mineral hydraulic oil within -30\u00b0C to +100\u00b0C, NBR is the usual choice. For higher temperatures up to approximately +200\u00b0C, or where the fluid attacks NBR, choose FKM (Viton-type). For water, water-glycol and many water-based fluids, EPDM is the option, with a working range of approximately -40\u00b0C to +120\u00b0C. The 74\u00b0 cone joints in this series are metal-to-metal, so the seal material applies to the elastomer-sealed parts of the same circuit.<\/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 stud and the tube, the sealing method and the material selected. Working pressure for these sizes is confirmed per order by HENGHUA engineering, based on the thread size, sealing method and material selected, against the intended circuit.<\/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
Is the nut and sleeve included with the 1J4 adapter?<\/strong><\/p>\r\n\r\n\r\n\r\n
No. The elbow body is supplied on its own, and the nut and sleeve that complete each cone joint are ordered separately. Use nut NB200 with sleeve NB500 for metric tube or nut NB200 with sleeve NB300 for inch tube, and order one set for each of the two ends.<\/p>\r\n\r\n\r\n\r\n
When should I choose a 45\u00b0 elbow instead of a 90\u00b0 elbow or a straight stud?<\/strong><\/p>\r\n\r\n\r\n\r\n
Choose the straight stud when the line can run straight out of the port, the 45\u00b0 elbow when the run has to be angled but a right angle would put the tube into the machine or into the wrench path, and the 90\u00b0 elbow only when the run has to be turned square. The 45\u00b0 form sits between the other two: it gives a real direction change with less flow disturbance and better wrench access than a right-angle elbow.<\/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 two thread sizes, the nut and sleeve requirement, the material and plating, and the quantity. HENGHUA confirms the match to the printed table, the seal options and the delivery schedule, and quotes the 1J4 adapter that fits your circuit.<\/p>\r\n\r\n\r\n\r\n
![\"1J4](\"https:\/\/www.henghuahose.com\/wp-content\/uploads\/2026\/09\/45-degree-elbow-jic-male-74-degree-cone-adapter-1j4-dimensions.png\")
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