THREADED FLANGES MANUFACTURER
OTG Tech Asia is Malaysia and Korea manufacturer to supply Steel Thread Flanges.
OTG Tech Asia is export division and joint venture between Steel Flanges & Fittings Manufacturer – Malaysia’s Petro Parts Sdn Bhd (PPSB) and Korea’s K Tech Global Corporation (KT). We are ISO 9001 certify manufacturers.
Threaded Flanges are similar to slip-on flanges except the bore of threaded pipe flange has tapered threads. Threaded flanges are used with pipes that have external threads. The benefit of these pipe flanges is that it can be attached without welding. Threaded flanges are often used for small diameter, high pressure requirements.
THREADED FLANGES CATEGORIES
Threaded Flanges are typically provided with a raised face, flat face, or RTJ facing. When a raised face is necessary for threaded pipe flanges, the standard height is 1/16″ for threaded pipe flanges under 400#. For threaded flanges of 400# and up, the standard threaded pipe flange raised face height is 1/4″.
ASME | ASTM MATERIAL SPECIFICATION
- Carbon Steel: ASTM/ASME A105, A350 LF1, LF2, A266, A694, A765 Gr2
- Alloy Steel: ASTM/ASME SA182 F1, F5, F9, F11, F12, F22, F51, A350- LF3
- Stainless Steel: ASTM/ASME SA182 F304, 304L, F316, 316L, F310, F317L, F321, F347
- Duplex Stainless Steel: ASTM / ASME SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
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