 |
| Quantity: | |
|---|---|
TH Flange
SDFL
| Nominal Size | Outer Diameter | Central circle diameter | Bolt Hole Diameter | Number of Bolt Holes | Inner Diameter | Flange Ring Height | Weld Groove Diameter | Flange Overall Height | Sealing Face Diameter | Sealing Face Height | |
| DN | NPS | Ａ | Ｊ | I | Ｅ | Ｃ | Ｆ | Ｄ | Ｇ | ||
| １５ | 1/2 | ９５．３ | ６６．５ | １５．７ | ４ | １７ | １４．２ | ３８．１ | ２２．４ | ３５．１ | ６．４ |
| ２０ | 3/4 | １１７．３ | ８２．６ | １９．１ | ４ | ２２．５ | １５．７ | ４７．８ | ２５．４ | ４２．９ | ６．４ |
| ２５ | 1 | １２４ | ８８．９ | １９．１ | ４ | ２９ | １７．５ | ５３．８ | ２６．９ | ５０．８ | ６．４ |
| ３２ | 1-1/4 | １３３．４ | ９８．６ | １９．１ | ４ | ３７．５ | ２０．６ | ６３．５ | ２８．４ | ６３．５ | ６．４ |
| ４０ | 1-1/2 | １５５．４ | １１４．３ | ２２．４ | ４ | ４３．５ | ２２．４ | ６９．８５ | ３１．７５ | ７３．１５ | ６．４ |
| ５０ | 2 | １６５．１ | １２７ | １９．１ | ８ | ５５ | ２５．４ | ８４．１ | ３６．６ | ９１．９ | ６．４ |
| ６５ | 2-1/2 | １９０．５ | １４９．４ | ２２．４ | ８ | ７１ | ２８．４ | １００．１ | ４１．１ | １０４．６ | ６．４ |
| ８０ | 3 | ２０９．６ | １６８．１ | ２２．４ | ８ | ８３．５ | ３１．７５ | １１７．３ | ４６ | １２７ | ６．４ |
| ９０ | 3-1/2 | ２２８．６ | １８４．２ | ２５．４ | ８ | ９６ | ３５．１ | １３３．４ | ４９．３ | １３９．７ | ６．４ |
| １００ | 4 | ２７３．１ | ２１５．９ | ２５．４ | ８ | １０８．５ | ３８．１ | １５２．４ | ５３．８ | １５７．２ | ６．４ |
| １２５ | 5 | ３３０．２ | ２６６．７ | ２８．４ | ８ | １３４ | ４４．５ | １８９ | ６０．４５ | １８５．７ | ６．４ |
| １５０ | ６ | ３５５．６ | ２９２．１ | ２８．４ | １２ | １５９．５ | ４７．８ | ２２２．３ | ６６．５５ | ２１５．９ | ６．４ |
Application industry pipeline systems and scenarios
(1) Oil, gas, and chemical industries:
Small equipment import and export: bypass connections for pumps, valves, and filters to avoid welding affecting equipment maintenance
(2) Electricity and Energy Industry:
Nuclear power auxiliary pipelines: non safety level systems (such as cooling water bypass)
Thermal system: Power plant condensate recovery pipeline, temperature ≤ 200 ° C
(3) Water Treatment and Environmental Protection Engineering
Industrial wastewater treatment: Acid resistant flanges (such as Hastelloy) are used for pH regulating pipelines. High pressure reverse osmosis (RO) membrane module front/rear pipeline connection.
Desalination equipment: High pressure reverse osmosis (RO) membrane group front/rear pipeline connection.
(4) Ship and Ocean Engineering:
Offshore platform auxiliary pipelines, such as fire water systems and hydraulic control pipelines.
Ship fuel/lubricant system: threaded connection of medium pressure pipeline (Class 600LB).
Parameter Description
Standard ANSI B16.5 (ASME B16.5)
Pressure rating Class 600LB (approximately PN10~PN40)
Materials: Carbon Steel (A105), Stainless Steel (304/316), Alloy Steel (F11/F22)
Sealing surface convex surface (RF), flat surface (FF)
Applicable temperature -29 ° C~+200 ° C (carbon steel), -196 ° C~+400 ° C (stainless steel)
Thread type NPT (American standard taper thread), BSPT (British standard taper thread)
| Nominal Size | Outer Diameter | Central circle diameter | Bolt Hole Diameter | Number of Bolt Holes | Inner Diameter | Flange Ring Height | Weld Groove Diameter | Flange Overall Height | Sealing Face Diameter | Sealing Face Height | |
| DN | NPS | Ａ | Ｊ | I | Ｅ | Ｃ | Ｆ | Ｄ | Ｇ | ||
| １５ | 1/2 | ９５．３ | ６６．５ | １５．７ | ４ | １７ | １４．２ | ３８．１ | ２２．４ | ３５．１ | ６．４ |
| ２０ | 3/4 | １１７．３ | ８２．６ | １９．１ | ４ | ２２．５ | １５．７ | ４７．８ | ２５．４ | ４２．９ | ６．４ |
| ２５ | 1 | １２４ | ８８．９ | １９．１ | ４ | ２９ | １７．５ | ５３．８ | ２６．９ | ５０．８ | ６．４ |
| ３２ | 1-1/4 | １３３．４ | ９８．６ | １９．１ | ４ | ３７．５ | ２０．６ | ６３．５ | ２８．４ | ６３．５ | ６．４ |
| ４０ | 1-1/2 | １５５．４ | １１４．３ | ２２．４ | ４ | ４３．５ | ２２．４ | ６９．８５ | ３１．７５ | ７３．１５ | ６．４ |
| ５０ | 2 | １６５．１ | １２７ | １９．１ | ８ | ５５ | ２５．４ | ８４．１ | ３６．６ | ９１．９ | ６．４ |
| ６５ | 2-1/2 | １９０．５ | １４９．４ | ２２．４ | ８ | ７１ | ２８．４ | １００．１ | ４１．１ | １０４．６ | ６．４ |
| ８０ | 3 | ２０９．６ | １６８．１ | ２２．４ | ８ | ８３．５ | ３１．７５ | １１７．３ | ４６ | １２７ | ６．４ |
| ９０ | 3-1/2 | ２２８．６ | １８４．２ | ２５．４ | ８ | ９６ | ３５．１ | １３３．４ | ４９．３ | １３９．７ | ６．４ |
| １００ | 4 | ２７３．１ | ２１５．９ | ２５．４ | ８ | １０８．５ | ３８．１ | １５２．４ | ５３．８ | １５７．２ | ６．４ |
| １２５ | 5 | ３３０．２ | ２６６．７ | ２８．４ | ８ | １３４ | ４４．５ | １８９ | ６０．４５ | １８５．７ | ６．４ |
| １５０ | ６ | ３５５．６ | ２９２．１ | ２８．４ | １２ | １５９．５ | ４７．８ | ２２２．３ | ６６．５５ | ２１５．９ | ６．４ |
Application industry pipeline systems and scenarios
(1) Oil, gas, and chemical industries:
Small equipment import and export: bypass connections for pumps, valves, and filters to avoid welding affecting equipment maintenance
(2) Electricity and Energy Industry:
Nuclear power auxiliary pipelines: non safety level systems (such as cooling water bypass)
Thermal system: Power plant condensate recovery pipeline, temperature ≤ 200 ° C
(3) Water Treatment and Environmental Protection Engineering
Industrial wastewater treatment: Acid resistant flanges (such as Hastelloy) are used for pH regulating pipelines. High pressure reverse osmosis (RO) membrane module front/rear pipeline connection.
Desalination equipment: High pressure reverse osmosis (RO) membrane group front/rear pipeline connection.
(4) Ship and Ocean Engineering:
Offshore platform auxiliary pipelines, such as fire water systems and hydraulic control pipelines.
Ship fuel/lubricant system: threaded connection of medium pressure pipeline (Class 600LB).
Parameter Description
Standard ANSI B16.5 (ASME B16.5)
Pressure rating Class 600LB (approximately PN10~PN40)
Materials: Carbon Steel (A105), Stainless Steel (304/316), Alloy Steel (F11/F22)
Sealing surface convex surface (RF), flat surface (FF)
Applicable temperature -29 ° C~+200 ° C (carbon steel), -196 ° C~+400 ° C (stainless steel)
Thread type NPT (American standard taper thread), BSPT (British standard taper thread)
