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  • Slip On Flange
  • Slip On Flange
  • SO Flange
  • SO Flange

Slip On SO Flange

  • Type: SO Flange
  • Class: 150#-2500#, 150LBS-2500LBS,PN16,25,40
  • Size: 1/2" to 24",DN10-DN1000
  • Service: Welding, Fabricated, Customized

Slip On Flange SO Flange Description

Slip on flanges, like plate flat welding flanges, are flanges that extend steel pipes, pipe fittings, etc. into the flange and are connected to equipment or pipelines through fillet welds. They are also flat welding flanges because they have a short neck. Thereby increasing the strength of the flange and improving the bearing strength of the flange. So it can be used in higher pressure pipelines. Disadvantages: The cost of the SO flange is higher than the plate flat welding flange, and it is easier to bump during transportation due to the characteristics of its shape.Slip on flange
The Slip ON Flanges surface can be Raised Face(RF), Flat Face(FF), Ring Joint Face(RTJ), and some other faces.
We HT PIPE is the manufacturer that provide all kinds of  steel flanges like Slip on Flanges, Plate flat Flanges, Weld Neck Flanges, Blind Flanges, Socket Weld Flanges, and so on, and also other special flanges according to the client's requirement.
Slip On SO Flange Specification:
Standard Type Class Size
ASME B16.5 WN/LWN/SO/Blind/Lap Joint 150#-2500# 1/2"-24"(Except Blind Flange 2500lb 1/2"-12")
DIN2543 SO flange PN16 DN10-DN1000
DIN2544 SO flange PN25 DN10-DN1000
DIN2545 SO flange PN40 DN10-DN500
Sealing Surface RF FF RTJ TF GF LF LM
Flange Face Finish Stock Finish/Spiral Serrated/Concentric Serrated/Smooth Finish(Ra 3.2 and 6.3 micrometers)
125-250 AARH(it is called smooth finish)
250-500 AARH(it is called stock finish)
Coating Vanish, yellow paint, anti-rust oil, galvanizing etc
SO flange surfce coating treatment

Slip On SO Flange Material Grades:

Carbon Steel ASTM /ASME A/SA105(N), A350 LF2/LF3, A694 F52, F56, F60, F65, F70
Alloy Steel ASTM/ASME A/SA 182  F5, F9, F11, F22, F91
Stainless Steel ASTM/ASME A/SA 182 F304, 304L, 304H, 310H, 316, 316H, 316L, 
316Ti, 317, 317L, 321, 321H, 347, 347H, 904L
Duplex and
Super Duplex
ASTM/ASME A/SA 182 F44, F45, F51, F53, F55, F60, F61,
S31803, S32205, S32550, S31254, SMO254, S32750, S32760, S32950
Nickel Alloy Steel ASTM/ASME B/SB 564 UNS N02200(NICKEL 200), UNS N04400, (MONEL 400),
UNS N08825( INCOLOY 825), UNS N06600(INCONEL 600), UNS N06601(INCONEL 601),
UNS N06625(INCONEL 625), UNS N10276(HASTELLOY C276)
ASTM/ASME B/SB160 UNS N02201(NICKEL 201),  ASTM B/SB472 UNS N08020(Alloy 20)
Copper Alloy ASTM/ASME B/SB151 UNS N07060, 71500, C70600(CuNi 90/10), C71500(CuNi 70/30)
Titanium ASTM/ASME B/SB381 Grade 2, Grade 5, Grade 7
Manufacturer, exporter & supplier of ASME/ANSI B16.5 Carbon steel Slip on Flanges, Alloy steel Slip on Flange, Nickel alloy steel Slip on flange,  Stainless steel Slip on Flange, Duplex steel Slip on Flange, ASTM A105/105N, ASTM A350 Lf2, ASTM A694, ASTM A182, ASTM B564 Slip on Flanges manufaturer in Zhengzhou HT PIPE.

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