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1 2 .. 2 .. : / .. : Pipe Flange Gasket Bolts/ Nuts . 1. 2 .. Plant . Pipe Fitting Valve Flange Bolt Other 22% 53% 12% 3% Pipe . 1). Seamless (Wall Thickness). Hot Forming : Min.. Cold Forming : Max.. 2). Welded ) Furnace Butt Welded : -> Without Filler Metal: -> One Longitudinal Seam a-1) Butt Welded : -> Forming & Welding Die a-2) Continuous Welded 2. 2 .. b) Electric Resistance : -> w/o : -> One. c) Electric Fusion : -> w/o or w/ : -> One. : -> Single(in) for Double(In & Out). d) Submerged-Arc : Pass In-Out Each : ->w/ : ->One.

2 : -->SAW. e) Gas Metal-Arc : Pass In-Out Each : -> w/ : ->One. : -->Stainless, Ni-alloy f) Combination Gas Metal-Arc and Submerged-Arc : ->w/ : Pass In-Out Each(Automatic s-a) :-> g) Double Seam Submerged-Arc : -> w/ -> Two (DSAW) --> h) Double Seam Submerged-Arc : -> w/ -> Two --> i) Double Seam Combination Gas Metal-Arc and Submerged-Arc :-> >Two --> j) Helical Seam Submerged-Arc : --> w/ --> One Helical Seam --> -> Spiral Welded Pipe : -> Using ERW, EFW, DSAW. ) --> Filler Metal --> Longitudinal Seam 3. 2.

3 2 .3 . 1) , , . GPS .. = ( C+Mn/6).. 2) ASTM . Material Standard Code Materia Forgings Wrought Casting Plates Pipes EFW Round Remark l Group ( ) Fitting ( ) Pipes Bar A181/A105 A234-WPB A216-WCB A285-C A53-B A672-A55 A696-C.. A105 A234-WPB A216-WCB A515-70 A106-B A672-B70 A696-C.. A350-LF2 A420-WPL6 A352-LCB A516-70 A333-1 or 6 A672-C70. 4. 2 .. Material Standard Code Material Forgings Wrought Casting Plates Pipes EFW Round Remark Group ( ) Fitting ( ) Pipes Bar . A182-F11 A234-WP11 A216-WC6 A387-11 A335-P11 A691- A739- B11.

4 A182-F22 A234-WP22 A216-WC9 A387-22 A335-P22 A691- A739- B22 .. A182-F5 A234-WP5 A216-C5 A387-5 A335-P5 A691-5Cr 5.. A182-F9 A234-WP9 A216-C5 A387-9 A335-P9 A691-9Cr 9.. A182- A403- A351-CF8 A240-304 A312- A358-304 A479- 18Cr-8Ni F304 WP304 TP304 304.. A182- A403- A351-CF8 A240- A312- A358-304H A479- . F304H WP304H 304H TP304H 304H.. A182- A403- A351-CF8M A240-316 A312- A358-316 A479- 16Cr- F316 WP316 TP316 316 12Ni-2Mo A182- A403- A351-CF8T A240-321 A312- A358-321 A479- 18Cr- F321 WP321 TP321 321 10Ni-Ti A182- A403- A351-CF8C A240-347 A312- A358-347 A479- 18Cr- F347 WP347 TP347 347 10Ni-Cb 5.

5 2 .. Flange . 1) Flange : , . Strainer, Filter,Mixer . 2) Flange : . Screwed,Slip-On-weld,Welding Neck,Reduced Flange,Socket Weld,Lap Joint, . Flat Face, Raised Face, Lapped Joint, Ring Joint, Small Male and Female, Large Male and Female, Small Tongue and Groove, Large Tongue and Groove. 3) Flange . Welding Neck Flange. - Pipe . ( ) - . - . Slip-On Flange - . ( ) - Bevel . 2 . ( , ) . - 2/3 , 1/3 . 6. 2 .. Socket Weld Flange - (2 ). ( ) 46 260 . - . Screwed Flange - . ( ) - . - Bending Stress .. 4) Flange Face.

6 Flat Face - . - 250 Ib . - Flange Flange Gasket .. ( RF FF . Bolt FF Flange . ). Raised Face - Gasket . - ANSI 600 Ib . 7. 2 .. Ring Type - Line . - ANSI 900 Ib . - Gasket Octagonal Ring Oval Ring . - Flange WN-Flange . Tongue and Groove - . - Ammonia , . - Flange . - Tongue Groove .. Male and Female - High Gasket Compression Metal Gasket .. - ANSI 600 Ib . - Tongue Groove .. Lap Joint - . - . - Bending Stress . 8. 2 .. 9. 2 .. 5) Flange . ANSI - Steel Pipe Flanges and Flanged Fittings ANSI - Large-Diameter Steel Flanges ( 26 ~ 60 ).

7 API STD 605 - Large-Diameter Carbon Steel Flanges (Class 150~300#). MSS SP-44 - Steel Pipe Line Flanges MSS SP-65 - High Pressure Chemical Industry and Thread Stubs For use with Lens Gaskets. ISO 2084/2441 - Pipe Line Flanges for General use ISO 2229 - Equipment for the Petroleum and Natural Gas Steel Pipe Flange Normal Sizes to 24in ( Base on ANSI ). 6) Pressure Temperature Rating . : Rating .. DIN.. 10. 2 .. : Flange Joint Movement .. a). Flange Attachment : Socket Welding Threaded Flanges 260 .. b). High Temperature Service : Flange Creep Range Flange.

8 Bolt , Bolt Tightening . , Flange 150 lb 260 ~ 400 . Leak 400 . Bolt . c). Low Temperature Service : . , , . Slip-On Flange : Flange Pipe . a). Severe Erosion, Crevice Corrosion, Cyclic Loading. b). Flammable, Toxic, or Damaging to Human Tissue. c). At Temperature Below -101 . 11. 2 .. Gasket 1). Gasket . Gasket 2 . Seal . Gasket : Seal Packing : , Seal 2). Gasket . Gasket 3 . Metallic Gasket Nonmetallic Gasket Semi Metallic Gasket a ). Gasket(Metallic Gasket). Gasket Gasket . Gasket . , .. 1 .. Oval Ring Joint.

9 Octagonal Ring Joint . Gasket Gasket . Flange . Stainless Titanium Monel , Aluminum, , . 12. 2 .. Gasket Flange Flange . HB30 . Stainless Flange Gasket . Stainless Gasket . 1.. Corrugated Gasket Serrated Gasket Flat Metal Gasket Octagonal Ring Joint Gasket Oval Ring Joint Gasket Pressure Seal Ring Gasket Lens Ring Gasket Delta Ring Gasket Metal O Ring 13. 2 .. b). Gasket(Non Metallic Gasket). Gasket Gasket . Gasket .. , .. Gasket Joint Sheet . Sheet . Teflon Gasket . Teflon Gasket Glass Lining .. Non Asbestos Asbestos Free Joint Sheet Gasket.

10 , . Teflon, Gasket Cover . 14. 2 .. c). Gasket(Semi Metallic Gasket). Gasket . Gasket Gasket Spiral Wound Gasket 2 . Gasket Stainless Joint Sheet . Gasket . Spiral Wound Gasket Tape . Tape Gasket . Gasket . , Teflon, Tape Stainless, Aluminum . Gasket Flange . Gasket Gasket Ring .. 15. 2 .. Gasket (Seal ). Gasket 2 .. Stainless , , .. , , Teflon, .. , .. Gasket .. NR -70 ~ 100 C. NBR Butadiene Acrylonitrile -20 ~ 130 C. CR Chlorprene Rubbers -55 ~ 130 C. SBR Butadiene Styrene Rubbers -60 ~ 120 C. CSM Hypalon -60 ~ 150 C.