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Autoclave Engineers offers a complete selection of annealed, seamless stainless steel tubing designed to match the performance standards of Autoclave low pressure valves and fittings. Autoclave low pressure tubing is furnished in random lengths between 20 feet (6 meters) and 27 feet (8.2 meters). The average is 24 feet (7.3 meters). The tubing is available in five sizes and a variety of materials. In order to ensure proper sleeve “bite” into tubing, Autoclave Engineers specifies and controls the strength levels of both the tube and sleeve materials.

Inspection and Testing
Autoclave Engineers low pressure tubing is inspected for compliance with specified defect restrictions as well as carburization or intergranular carbide precipitation. The tubing outside diameter and wall thickness is controlled within close tolerance to assure proper fit. Sample pieces of tube (for each lot) are tested to confirm mechanical properties for proper compression sleeve “bite” and pressure capability. Furthermore, the sample tubes are pressure tested as a final check.

Special Materials
In addition to the type 316 and 304 stainless steel tubing listed in this section, Autoclave has a limited stock of hard-to-obtain shorter lengths of the following tubing materials:
Monel 400*, Inconel 600*, Titanium Grade 2*, Nickel 200*, Hastelloy C276* - (* Trademark names)

Please consult factory for stock available.

All dimensions for reference only and subject to change.
For prompt service, Autoclave stocks select products. Consult your local representative.
All general terms and conditions of sale, including limitations of our liability, apply to all products and services sold.
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Unit of Measure
Items Tubing_Low
MS15-070
Low Pressure Tubing
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MS15-200
Low Pressure Tubing
Tubing_Low
MS15-051
Low Pressure Tubing
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MS15-203
Low Pressure Tubing
Tubing_Low
MS15-084
Low Pressure Tubing
Tube Materials N/A 316SS
Fits Connection Type N/A W062 N/A W125 N/A W125 N/A SW250 W250 N/A SW375 W375
Outside Diameter Tube N/A 1/16 in1.59 mm N/A 1/8 in3.18 mm N/A 1/8 in3.18 mm N/A 1/4 in6.35 mm N/A 3/8 in9.53 mm
Tolerance/Outside Diameter N/A .064/.062 in1.62/1.57 mm N/A .128/.125 in3.25/3.18 mm N/A .128/.125 in3.25/3.18 mm N/A .254/.250 in6.45/6.35 mm N/A .379/.375 in9.74/9.53 mm
Inside Diameter Tube N/A 0.026 in0.66 mm N/A 0.052 in1.32 mm N/A 0.062 in1.57 mm N/A 0.084 in2.13 mm N/A 0.195 in4.95 mm
Wall Thickness Tube N/A 0.018 in0.46 mm N/A 0.036 in0.91 mm N/A 0.032 in0.81 mm N/A 0.083 in2.11 mm N/A 0.090 in2.29 mm
Flow Area N/A 0.0005 in²0.32 mm² N/A 0.002 in²1.29 mm² N/A 0.003 in²1.94 mm² N/A 0.029 in²18.71 mm² N/A 0.030 in²19.35 mm²
Working Pressure at 0 - 100°F (-17.8 to 37.8°C) N/A 15000 psi1034.20 bar N/A 15000 psi1034.20 bar N/A 11650 psi803.23 bar N/A 15000 psi1034.16 bar N/A 10000 psi689.46 bar
Working Pressure at 200°F (93°C) N/A 15000 psi1034.20 bar N/A 15000 psi1034.20 bar N/A 11650 psi803.23 bar N/A 15000 psi1034.16 bar N/A 10000 psi689.46 bar
Working Pressure at 400°F (204°C) N/A 14400 psi992.83 bar N/A 14400 psi992.83 bar N/A 11250 psi775.65 bar N/A 14400 psi992.83 bar N/A 9650 psi665.33 bar
Working Pressure at 600°F (316°C) N/A 13600 psi937.67 bar N/A 13600 psi937.67 bar N/A 10600 psi730.83 bar N/A 13600 psi937.67 bar N/A 9000 psi620.52 bar
Working Pressure at 650°F (343°C) N/A 12600 psi868.73 bar N/A 12600 psi868.73 bar N/A 9850 psi679.12 bar N/A 12600 psi868.73 bar N/A 8400 psi579.15 bar