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.
Product illustration; final geometry follows the approved drawing.
Steel Flanges
Weld neck flanges / Plate flanges Product series — GOST 33259 · TYPE 01 16 / TYPE 11 · Carbon steel · CT20 / 16MN
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
- Product forms
- Weld neck flanges / Plate flanges
- Specified standard
- GOST 33259
- Type designation
- TYPE 01 16 / TYPE 11
- Material / grade
- Carbon steel · CT20 / 16MN
Product overview
Selection reference: Weld neck flanges / Plate flanges Product series — GOST 33259 · TYPE 01 16 / TYPE 11 · Carbon steel · CT20 / 16MN.
The listed values are alternatives within a series, not one combined specification. Identify the required combination.
Selection identifiers: Specified standard: GOST 33259; Type designation: TYPE 01 16 / TYPE 11; Material / grade: Carbon steel · CT20 / 16MN.
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.
Compare the flange bore, plate thickness, bolt circle and facing with the mating connection. Include a dimensioned drawing for nonstandard drilling.
Please confirm before quotation: Size designations.
Technical specifications
| Product forms | Weld neck flanges / Plate flanges |
|---|---|
| Specified standard | GOST 33259 |
| Type designation | TYPE 01 16 / TYPE 11 |
| Material / grade | Carbon steel · CT20 / 16MN |
| Catalogue reference | HC-0247 |
Confirm the material grade, dimensions, pressure class and standard together against the approved drawing before ordering. Schedule denotes wall thickness, not a pressure rating.
Prepare a clear request for quotation
Send a bill of materials or drawing with item quantities, material grades, dimensions, standard and edition, inspection documents, packing and destination. Identify any requirements that still need technical review.
Contact our sales teamProcurement questions
What should I include in an inquiry?
Weld neck flanges / Plate flanges Product series — GOST 33259 · TYPE 01 16 / TYPE 11 · Carbon steel · CT20 / 16MN — Include the material grade, dimensions, applicable standard and quantity.
How are dimensions and service suitability confirmed?
Specified standard: GOST 33259; Material / grade: Carbon steel · CT20 / 16MN The applicable standard, mating components and project design conditions must be reviewed together. Size, rating and material combinations are confirmed in the agreed quotation or drawing.
Can I request inspection documents?
List the material certificates, inspection records and traceability documents required by your project. Their scope and availability must be agreed before ordering.
Contact sales
Request a quote
Include the material grade, dimensions, applicable standard and quantity.
Related products
Weld neck flanges / Plate flanges Product series — GOST 33259 / GOST 12820-80 / GOST 12821-80 · 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 / Plate flanges Product series — ASME B16.5 / GOST 33259 · Carbon steel / Stainless steel
Confirm the neck bore, weld preparation and mating pipe wall together. Identify the required flange facing on the drawing.