Flange ANSI B16.47 Welded Neck Flange ASME B16.5
Advantages and disadvantages of socket welding flange and butt
welding:
Socket welding is usually used for small pipes smaller than DN40 in
diameter and is more economical. Butt welding is usually used for
parts above DN40. Socket welding is the process of first inserting
a socket and then welding (for example, there is a type of flange
called a socket flange, which is a projection weld flange, which is
a connection when connecting to other parts such as a valve. Butt
welding method The connection form of flange and pipe welding,
socket welding is usually the pipe is inserted into the flange and
welded, butt welding is the use of butt welding flange to weld the
pipe to the butt surface. Although X-ray inspection is not
possible, butt welding can accept butt welding welding, so it is
recommended to use butt welding flanges to improve the requirements
of welding inspection
Butt welds are generally more demanding than socket welds and post
welds. The quality is also good, but the detection method is more
stringent, butt welding requires X-ray inspection, socket welding
can be used for magnetic particle or permeability testing (carbon
powder, penetrating carbon steel such as stainless steel), if the
fluid in the pipeline is not suitable for welding The requirements
are not high, socket welding is recommended, and the connection
types that are convenient for detection are mainly small-diameter
valves and pipes, which are used for pipe joints and pipe welding.
Small-diameter pipes usually have thin walls, which are prone to
edge dislocation and ablation, and are difficult to Butt welding,
suitable for socket welds and sockets.
Welded sockets are often used under high pressure due to their
reinforcing effect, but socket welding also has disadvantages. One
is that the stress state after welding is not good, and it is
difficult to completely melt. Trends are: piping systems with gaps
and therefore unsuitable for crevice corrosion-sensitive media and
piping systems with high cleanliness requirements; the use of
socket welds; and ultra-high pressure piping. Large wall
thicknesses are available even in small diameter pipes, and socket
welds can be avoided as much as possible by butt welding.
Product Information:
| ANSI B16.5 | WELDING NECK, SLIP ON. BLIND, LAP JOINT, THREADED, SOCKET WELD |
| ASME B16.47 SER.B(API605) | WELDING NECK, BLIND |
ASME B16.47 SER.A (MSS SP44) | WELDING NECK, BLIND |
| DIN | WELDING NECK DIN2631,2632,2633,2634,2635,2637 PLATE DIN2573,2576,2502,2503,2543,2544,2545 BLIND DIN2527 SCREWED DIN2565,2566 LAPPED DIN2641,2642,2655,2656 |
| EN1092-1 | WELDING NECK TYPE 11 SLIP ON TYPE 12 THREADED TYPE 13 PLATE TYPE 01 LAPPED TYPE 02 BLIND TYPE 05 |
| BS4504 | PLATE 01 BLIND 105 WELDING NECK 111 SLIP ON 112 THREADED 113 |
| BS10 TABLE D/E | PLATE SLIP ON THREADED |
| GOST 12820 | PLATE GOST12820-80 WELDING NECK GOST12821-80 |
| JIS B2220 | SOP SOH BLIND |
| UNI | THREADED BLIND PLATE WELDING NECK LAPPED |
| SABS1123 | WELDING NECK TYPE2 PLATE TYPE3 SLIP ON TYPE4 BLIND TYPE8 |
| PRESS |
| PN6,10,16,25,40,64,100 | CLASS 150,300,600,900,1500,2000,3000,6000,9000 |
| MATERIAL |
CS RST37.2,S235JR,C22.8,CT20,16MN,SS400, SS SS304/304L,316/316L |
| COATING |
| RUST-PROOF OIL, YELLOW PAINT,BLACK PAINT,GALVANIZED |
| SCALING FACE |
| FF,RF,RTJ |
| PACKAGE |
| SEAWORTHY PLYWOODEN CASE OR WOODEN PALLET |
| PAYMENT |
| TT, LC, D/A OR D/P |
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