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Description Product :
Origin Country : Japan
Size : 1/ 2 ” -24 ”
Material : Carbon Steel A-105 Standard : ASME, ANSI, ASME, API, MSS, JIS, KS, DIN, EN, BS
Place of Origin : Japan
Model Number : Orifice Flange
Brand Name : Futawa
Standard or Nonstandard : Standard Surface treatment and protection:
Anti-rust Oil, Transparent/ Yellow/ Black Anti-rust Paint…
Petroleum, chemical, power, gas, metallurgy, etc
Wall Thickness: Sch10~ Sch160, Sch10s~ Sch80s, XXS OME: Acceptable
Certificate: ISO 9001: 2008, PED, API
1.A105 Orifice Flange
2.Size: 1/ 2′ to 24 ”
3.Surface: RF, FF. RTJ
4.Class rate: 150lb-2500lb
5.Certificate: ISO9001: 2008, PED, API
We can produce non-standarded flanges according your requirements.
Orifice Flanges generally come with either Raised Faces or RTJ (Ring Type Joint) facings. They are, for all intensive purposes, the same as weld neck and slip-on flanges with extra machining.
The image on the right shows a set Orifice Flanges, where a Orifice Plate is mounted and a jack screw is machined. This jack screw is used to facilitate separating the flanges for inspection or replacement of the Orifice Plate and gaskets.
The range of orifice flanges covers all standard sizes and ranges, and all common flange materials. Flanges are available in Welding Neck, Slip On, and Threaded form, and are typically supplied with two 1/2″ NPT tappings in each flange.
ASME B16.36 covers Dimensions and dimensional tolerances from orifice flanges (similar to those covered in ASME B16.5) that have orifice pressure differential connections. Coverage is limited to the following flanges:
- Welding Neck Classes 300, 400, 600, 900, 1500, 2500
- Slip On Class 300
- Threaded Class 300