English | português | русский| Español

Our company

hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


Read More About Haihao Group

JIS B2220 Steel pipe flanges


1.Scope

This Standard specifies steel pipe flanges (hereafter referred to as “flanges”) of nominal size 10A to 1500A for nominal pressure 5K, 10K, 10K light type,16K, 20K and 30K which are used to join parts for piping, such as steel pipes and valves, in ordinary(1),pressure (2), high pressure (3), high temperature (4), alloy steel pipes (5), strainless steel pipes (6) piping for steam, air, gas, water, oil, etc. (7).

Notes:

  • Piping using Carbon steel pipes for ordinary piping of JIS G 3452 and arc welded carbon steel pipes of JIS G 3457.
  • Piping using Carbon steel pipes for pressure service of JIS G 3454.
  • Piping using Carbon steel pipes for high pressure service of JIS G 3455.
  • Piping using Carbon steel pipes for high temperature serivce of JIS G 3456.
  • Piping using Alloy steel pipes of JIS G 3458.
  • Piping using stainless steel pipes of JIS G 3459 and large diameter welded stainless steel pipes of JIS G 3468.
  • Integral flange, which is to be used as part of some other equipment or components, shall also be within the scope of this Standard.

Weld Neck Flange
Integral Flange
Blind Flange
Socket Weld Flange
Threaded Flange
Plate Flange
Slip On Flange Type A
Slip On Flange Type B
Slip On Flange Type C
Loose Flange/Lap Joint Flange

Classification of flanges and the designation

Classification of flange

Designation

Figure

Welding flange

Silp on plate flange

SOP

Silp on plate flange

 

Slip on hubbed flange

SOH

Slip on hubbed flange

 

Socket welding flange

SW

Socket welding flange

 

Welding neck flange

WN

Welding neck flange

Lap joint flange

LJ

Lap joint flange

Threaded flange

TR

Threaded flange

Intergral flange

IT

Intergral flange

Blank flange

BL

Blank flange

Types of nominal pressure 20 K and 30 K slip on hubbed flanges

Classification of flange

Type

Figure

Slip on hubbed flange

Type A

Slip on hubbed flange A

Type B

Slip on hubbed flange b

Type C

Slip on hubbed flange c

<< Back to Flanges


Share to: LinkedIn Twitter Facebook Google


Related Tags: Flange Standard (5)  JIS Flange (1)  

JIS B2220 Steel pipe flanges Related Posts :
DIN 2633 PN16 Welding Neck Flange
DIN 2632 PN10 Welding Neck Flange
DIN 2631 PN6 Welding Neck Flange
AS(Australian Standard) 2129 Flanges for pipes, valves and fittings
BS 10 flanges and bolting for pipes, valves, and fittings
DIN2573 PN6 Plate Flange
AFNOR NF E292001 Flange
Italy Standard Uni 6089 Pn10 Lapped Joint/Loose Flange
ISO 7005-1 Metallic Flanges Part 1 Steel Flanges
ASME B16.48 Spectacle Flanges,Line Blanks

Haihao Group Twitter haihao group youtube haihao group facebook haihao group linkedin