7000 Series Fittings consist of three main components: Bodies, Nuts, and Sleeves. Bodies – Straight bodies are machined from bar stock. Shape fittings (elbows, tees, & crosses) are machined from forgings. 7000 Series fittings are machined with NPTF - Dryseal Pipe Threads and SAE straight threads for easy installation.
Tube Nuts – Tube nuts in sizes 1/4', 5/16 ', 3/8', 1/2', 5/8', 3/4', 1' are Cold Formed in 1010 steel. Tube nuts in sizes 1 1/4', 1 1/2', & 2' are hot forged from 1045. Tube Sleeves – Flareless tube sleeves are machined from cold drawn12L14 bar stock and are available in both SAE 'A' and 'B' styles (see tube sleeve drawings to view the 'A' and 'B' style sleeves). After machining and inspection the tube sleeves are heat treated to provide them with the necessary hardness.
CAUTION: Stainless steel sleeves must be preset into tubing during installation. For use with applications such as: Construction machinery, Textile machinery, Machine tools, Chemical, Marine, Military, and most other high pressure hydraulic applications.Applications using thick wall tubing where flaring is not practical. CAUTION: 7000 Flareless Fittings are NOT RECOMMENDED for use in instrumentation applications where toxic and noxious gases are present.
Working Pressure up to 8000 PSI. CAUTION: Working pressures will vary depending on tube and fitting size. (For applications using extreme pressures at 5000 PSI or above (or) for application with extreme pressure fluctuations, World Wide Fittings.) • Steel – Forged Bodies 1045 • Straight Bodies 12L14, 1045 • Cold Formed Nuts 1010 • Bar Stock Nut 12L14 • Flareless Sleeves 12L14 • Stainless Steel – Forged Bodies 316 • Stainless Steel – Straight Bodies 316 • Stainless Steel –Bar Stock Nuts 316 • Stainless Steel –Flareless Sleeves 17-4PH Clear Zinc Trivalent Alternate plating finishes are available upon request. World Wide Fittings for details. -30 Degrees Fahrenheit to +450 Degrees Fahrenheit Straight thread fittings which use 'O' Rings to seal are restricted to the temperature range of the material used to construct the 'O' Ring.
Tubing sizes are measured in sixteenths of an inch. Available sizes are 1/8' through 2'.
Presetting Tools; Featured Product. Hy-Lok offers instrument tube. SAE J514 Flareless Tube Fittings; DIN 2353; Weld Fittings. NOTE: A flareless-tube connector may be used as a presetting tool in case of an emergency. Clamp the presetting tool or flareless fitting body in a vise. NOTE Although the use of flareless tube connectors is widespread, NAVSEA policy is to reduce or eliminate use of flareless fittings in newly. Presetting tool.
When ordering, the tube end of the fitting must be specified first followed by the pipe thread or straight thread end. All fittings in this section are ordered as assemblies only unless otherwise specified by customers when ordering. (World Wide Fittings when ordering fittings as bodies only or configurations which are non-standard.) 7000 Series fittings meet SAE J514 and MS (Military Specifications). Using a presetting tool, the flareless sleeve should be preset and inspected before final assembly of the fittings is made. All Stainless Sleeves must be preset before final installation.
• Cut the tubing to the desired length making sure the ends are square. (Refer to the tube penetration chart when measuring tube length.) Remove all burrs and foreign matter from the end of the tubing and clean thoroughly. • Lubricate the threads of the preset body, tube nut, and outer edge of both ends of the flareless sleeve. • Slide the tube nut and the flareless sleeve onto the tubing making sure the open end of the nut and the leading 'bite' edge of the sleeve are facing the end of the tubing. • Insert the tubing into the preset body until it hits the bottom or shoulder of the tool. Bring the flareless sleeve and tube nut down to the preset tool and tighten the nut to the finger-tight position. • Using a marker make a reference line on the tubing and tube nut.
Holding the tubing firmly in the preset tool and using a wrench, tighten the tube nut an additional 1-3/4 turns past the finger-tight position. Disassemble the nut from the preset tool and inspect the flareless sleeve for the proper bite into the tube. (Refer to example drawings for correct and incorrect preset sleeves.) • Should the preset sleeve look acceptable, insert the tube with the preset sleeve into the fitting body to be assembled. Tighten the tube nut to the finger-tight position. Then using a wrench tighten the nut until a sudden rise in torque is felt. From the point where the sudden rise in torque started turn the nut an additional 1/3 to 1/4 turn. Your assembly is now ready for use. Nero Express Free Download Windows 7 64 Bit. (Refer to the assembly torque charts during installation of 7000 series fittings from the port and thread assemblies section.) ____________________________________________________________ Incorrect tube / sleeve assembly Shallow Bite Tube Not Bottomed In Fitting Sleeve Was Cocked Over Set Sleeve No Bite ____________________________________________________________ The above example shows an assembly using the SAE 'A' Style flareless sleeve.