Products List

QS 23 FG 75

ASME B16.5 BL Flange, Material SS304, 4 Inch, 150LB, RF AARH 125-250, ASTM A182 F304, Forged, China Manufacturer, Blind Flange Used to Terminate a Piping System

QS 23 FG 73

ASME B16.5 SO Flange, Size 2 Inch, Class 150LB, Material ASTM A182 F316L, Raised Face, Slip On Flange Used to Connecting Pipes in Various Construction Effectively.

QS 23 FG 71

Stainless Steel SO Flange, Class 150LB, Face RF, Size 2 Inch, Material ASTM A182 F304, SS304, Process Method Forged, Manufacture Standard ANSI B16.5, Connected to Equipment or Pipe by Fillet Weld Directly.

QS 23 FG 69

Stainless Steel BL Flange, Class 150LB, RF, Size 1 Inch, Standard ASME B16.5, Material ASTM A182 F316, With 4 Bolt Holes, Used to Terminate the End of a Piping System.

QS 23 FG 67

WN Stainless Steel Flange, Size 6 Inch, Pressure 150LB, Raised Face, Material SS316, ASTM A182 F316, Standard ASME B16.5, Used to Connect Pipes Together and Provide An Airtight Seal

QS 23 FG 65

SS304 Slip On Flange, Class 150LB, Face RF, Size 2 Inch, Manufacture Standard ASME B16.5, Economic Flange Type for Low Pressure Application

QS 23 FG 63

ASTM A182 F304 Blind Flange, 4 Inch, 150LB, Raised Face, Material Stainless Steel 304, Manufacture Standard ANSI B16.5

QS 23 FG 61

Thread Flange, NPT Thread, Size 1 Inch, Material ASTM A105N, Class 150LB, Standard ASME B16.5, Common Applications Include Connecting Pipes or Hoses to Pumps, Valves etc.

QS 23 FG 59

Slip On Flange, Forged, Material ASTM A105N, Size 1 Inch, Pressure 150LB, Manufacture Standard ASME B16.5, Commonly Used in Water Systems, Oil and Gas pipelines
Weld Neck Flanges/WN Flange
Blind Flange/BL Flange
Socket Weld Flange/SW Flange
Slip On Flange/SO Flange
Thread Flange/THR Flange
Lap Joint Flange/LJ Flange
Long Weld Neck Flange/LWN Flange
Spectacle Blind Flange
Spacer Ring
Spade Flange, Orifice Flange
Anchor Flange
Reducing Flange


Carbon steel
ASTM A105, A105N, A350 LF1, A350 LF2, A350 LF2 CL1, A350 LF2 CL2, A350 LF3, A350 LF3 CL1, A350 LF3 CL2, A516 GR.60, A516 GR.65, A516 GR.70, A694 F42, A694 F46, A694 F48, A694 F50, A694 F52, A694 F60, A694 F65, A694 F70, ST 37.2, C22.8

Stainless steel
ASTM A182 F304, F304L, F316, F316L, F316H, F310, F321

Alloy steel
ASTM A182 F1, A182 F5, A182 F9,A182 F11, A182 F22, A182 F91

Duplex steel
ASTM A182 F51, UNS S31803, A182 F53, UNS S32750, A182 F55, UNS S32760

ANSI B16.5, ANSI B16.47 A, ANSI B16.47 B, MSS SP 44, API 605, API 6A, AWWA C207, EN-1092-1, BS, DIN

1/2 Inch,3/4 Inch,1 Inch,1-1/4 Inch,1-1/2 Inch,2 Inch,2-1/2 Inch,3 Inch,3-1/2 Inch,4 Inch,5 Inch,6 Inch,8 Inch,10 Inch,12 Inch,14 Inch,16 Inch,18 Inch,20 Inch,22 Inch,24 Inch,26 Inch,28 Inch,30 Inch,32 Inch,34 Inch,36 Inch,38 Inch,40 Inch,42 Inch,44 Inch,46 Inch,48 Inch,50 Inch,52 Inch,54 Inch,56 Inch,58 Inch,60 Inch

DN6, DN8, DN10, DN15, DN20, DN25, DN32, DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN175, DN200, DN250, DN300, DN350, DN400, DN450, DN500, DN600, DN700, DN800, DN900, DN1000, DN1200, DN1400, DN1600, DN1800, DN2000, DN2200, DN2400, DN2600, DN2800, DN3000

10A, 15A, 20A, 25A, 32A, 40A, 50A, 65A, 80A, 90A, 100A, 125A, 150A, 175A, 200A, 225A, 250A, 300A, 350A, 400A, 450A, 500A, 550A, 600A, 650A, 700A, 750A, 800A, 850A, 900A, 1000A, 1100A, 1200A, 1300A, 1350A, 1400A, 1500A.

Class A, Class B, Class C, Class D, Class E
150 LB, 300 LB, 400 LB, 600 LB, 900 LB, 1500 LB, 2500 LB
Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500, Class 2500
150#, 300#, 400#, 600#, 900#, 1500#, 2500#

SCH 5, SCH 10, SCH 20, SCH 30, STD, SCH 40, SCH 60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH160, XXS

Sealing faces
Flat face, raised face and ring joint type

Used for oil, crude oil, petroleum, natural gas, water, offshore, power, pipe projects, etc.

The flanges manufactured by Qishine are forged flanges. The flanges in the pipeline system are used to connect the pipeline. According to the standard of the petrochemical industry, flanges can be classified into butt welded neck flanges (WN), socket welded flanges (SW), threaded flanges (TH), loose flanges, Lap joint flanges (LJ), slip-on flanges (SO), blind flanges (BL), orifice flanges, spectacle blind flanges, etc.