| aptekengineers@gmail.com |
| +91-9725047578, +91-9601269072 |
Instrumentation tube fittings are used for stopping the leak and to make it leak-proof, for torque for seal in different instrumentation and many other reasons. We have been doing this for years, where we started as a small scale industry and now have become one of the leading manufacturers and instrumentation tube fittings exporter India. Our instrumentation tube fittings are used for process tube connections as well. Our products would help you in eliminating any kind of costly leakage of hazardous nature. We have been a part of this industry since 1995 and provide tailored help to all our customers because everyone is unique and important for us.
The parts we would be delivering you are machine made and therefore are 100% accurate. We ensure as Instrumentation Pipe Fittings Manufacturer, that international standard is maintained so that you get good quality at affordable prices. Send us an email so that our team of professionals could get right back at you and provide you with a quote for your ease. We achieve the highest quality having the best-in-class infrastructure at our disposal. We are Instrumentation Pipe Fittings Exporter India gaining customer trust from far and wide and preventing any leakage threat that might come your way.
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Standard Specification
Materials : Aptek fittings are available in different materials as shown in the below mentioned table.
| Materials | Barstock | Forgings |
| Stainless Steel (316 & 304) | ASTM-A-276, ASTM-A-479, BS-970, DIN-4401 | ASTM-A-182, BS-970, DIN-4401 |
| Brass | ASTM-B-16, ASTM-B-453, BS-2874 | ASTM-B-124, BS-2872 |
| Steel Monel | ASTM-A-108, ASTM-B-164, BS-3076 | ASTM-A-576, ASTM-B-164, BS-3076 |
Pressure & Temperature rting for Instrumentation Table
| NPT / ISO Pipe Size IN. | 316 SS & Carbon Steel | |
| Male Threads (PSI) | Female Threads (PSI) | |
| 1/8” NPT | 9300 | 6000 |
| 1/4” NPT | 7300 | 6000 |
| 3/8” NPT | 7000 | 5000 |
| 1/2” NPT | 6900 | 4500 |
| 3/4” NPT | 6500 | 4200 |
| 1” NPT | 4800 | 4000 |
Maximum allowable working pressure for fractional size tubing (value in PSI) Table
| Tubing O.D. (inch) | Tubing wall thickness (inch) | |||||||||||
| -- | 0.010” | 0.012” | 0.016” | 0.020” | 0.028” | 0.035” | 0.049” | 0.065” | 0.083” | 0.095” | 0.109” | 0.120” |
| 1/16” | 6852 | 8395 | 11510 | 14395 | -- | -- | -- | -- | -- | -- | -- | -- |
| 1/8” | -- | -- | -- | 6843 | 9948 | 12622 | -- | -- | -- | -- | -- | -- |
| 3/16” | -- | -- | -- | 4345 | 6342 | 8145 | 11760 | -- | -- | -- | -- | -- |
| 1/4” | -- | -- | -- | -- | 4575 | 5910 | 8700 | 11773 | -- | -- | -- | -- |
| 3/8” | -- | -- | -- | -- | -- | 3770 | 5465 | 7520 | -- | -- | -- | -- |
| 1/2” | -- | -- | -- | -- | -- | 2770 | 3980 | 5415 | 7155 | -- | -- | -- |
| 5/8” | -- | -- | -- | -- | -- | -- | 3130 | 4240 | 5550 | 6480 | -- | -- |
| 3/4” | -- | -- | -- | -- | -- | -- | 2570 | 3490 | 4535 | 5270 | 6150 | -- |
| 7/8” | -- | -- | -- | -- | -- | -- | 2190 | 2948 | 3845 | 4443 | 5180 | -- |
| 1” | -- | -- | -- | -- | -- | -- | -- | 2568 | 3318 | 3843 | 4462 | 4970 |
Maximum allowable working pressure for metric size tubing (value in bar) Table
| Tubing O.D. (mm) | Tubing wall thickness (mm) | |||||||||||
| -- | 0.5 | 0.6 | 0.8 | 1 | 1.2 | 1.5 | 1.6 | 1.8 | 2 | 2.2 | 2.5 | 3 |
| 3 | 492 | 610 | 825 | 1030 | -- | -- | -- | -- | -- | -- | -- | -- |
| 6 | -- | -- | 382 | 495 | 603 | 775 | 909 | -- | -- | -- | -- | -- |
| 8 | -- | -- | 281 | 357 | 441 | 560 | 603 | -- | -- | -- | -- | -- |
| 10 | -- | -- | 220 | 278 | 342 | 438 | 471 | -- | -- | -- | -- | -- |
| 12 | -- | -- | 180 | 235 | 280 | 360 | 384 | 438 | -- | -- | -- | -- |
| 16 | -- | -- | -- | 170 | 203 | 259 | 278 | 315 | 360 | 398 | 458 | 561 |
| 18 | -- | -- | -- | 148 | 178 | 231 | 245 | 278 | 313 | 350 | 400 | 495 |
| 22 | -- | -- | -- | 121 | 145 | 186 | 201 | 223 | 250 | 278 | 320 | 392 |
| 25 | -- | -- | -- | 104 | 125 | 160 | 175 | 194 | 218 | 243 | 278 | 339 |
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