Weld neck flanges / Plate flanges Product series — GOST 33259 · TYPE01 / TYPE11 · Carbon steel · CT20
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Weld neck flanges / Blind flanges Product series — GOST 33259 · TYPE11 · Stainless steel
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Blind flanges — Carbon steel · 0.5" · PN63
For a closed pipe end, confirm the mating flange drilling, facing and required thickness. State whether any tapping or opening is required.
Pipe flanges — GOST 33259 / GOST 12820 / GOST 12821 · Carbon steel / Stainless steel · CT20 / SS304 / SS316 · DN15 – DN2000
Specify the mating flange, nominal size, drilling pattern and facing together. A matching nominal size alone does not establish interchangeability between different flange standards. For weld neck flanges, include the pipe bore and wall thickness; for threaded designs, identify the thread standard. Select the gasket and bolting as part of the complete joint.
Weld neck flanges / Plate flanges Product series — GOST 12820-80 / GOST 33259 / GOST 12821-80 · Carbon steel · CT20 · PN10 / PN16 / PN25 · RF
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Pipe flanges — GOST 33259 / GOST 12820-80 / GOST 12821-80 · Carbon steel · CT20
Specify the mating flange, nominal size, drilling pattern and facing together. A matching nominal size alone does not establish interchangeability between different flange standards. For weld neck flanges, include the pipe bore and wall thickness; for threaded designs, identify the thread standard. Select the gasket and bolting as part of the complete joint.
Pipe flanges — GOST 33259 · TYPE 01 02 05 · FF
Specify the mating flange, nominal size, drilling pattern and facing together. A matching nominal size alone does not establish interchangeability between different flange standards. For weld neck flanges, include the pipe bore and wall thickness; for threaded designs, identify the thread standard. Select the gasket and bolting as part of the complete joint.
Pipe flanges — DN10 – DN1600 · PN160 · Galvanized
Specify the mating flange, nominal size, drilling pattern and facing together. A matching nominal size alone does not establish interchangeability between different flange standards. For weld neck flanges, include the pipe bore and wall thickness; for threaded designs, identify the thread standard. Select the gasket and bolting as part of the complete joint.
Weld neck flanges — GOST 12821 · Carbon steel / Stainless steel · F321 / CT20 · RF / FF / RTJ
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Weld neck flanges / Slip-on flanges / Blind flanges Product series — GOST 12820 / GOST 12821 / GOST 33259 · TYPE11
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Weld neck flanges / Slip-on flanges / Blind flanges Product series — GOST 33259 / GOST 12820 / GOST 12821 · PN6 / PN10 / PN16 / PN25 / PN40
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Weld neck flanges — GOST 33259 · Carbon steel · Q235 · DN10 – DN500
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
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