Slip-On Flanges
Slip-on flanges fitted over the pipe end. Confirm the bore, facing, material grade and welding arrangement for your connection.
Product illustration; final geometry follows the approved drawing.
Steel Flanges
Slip-on flanges — GOST 33259 · CLASS400 · RF
Specify the pipe outside diameter and flange bore. Confirm the fit, facing and weld arrangement before ordering.
- Product forms
- Slip-on flanges
- Specified standard
- GOST 33259
- Pressure designation
- CLASS400
- Facing
- RF
Product overview
Selection reference: Slip-on flanges — GOST 33259 · CLASS400 · RF.
Selection identifiers: Specified standard: GOST 33259; Pressure designation: CLASS400; Facing: RF.
Specify the pipe outside diameter and flange bore. Confirm the fit, facing and weld arrangement before ordering.
Please confirm before quotation: Material / grade / Size designations.
Technical specifications
| Product forms | Slip-on flanges |
|---|---|
| Specified standard | GOST 33259 |
| Pressure designation | CLASS400 |
| Facing | RF |
| Catalogue reference | HC-0207 |
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?
Slip-on flanges — GOST 33259 · CLASS400 · RF — Include the material grade, dimensions, applicable standard and quantity.
How are dimensions and service suitability confirmed?
Specified standard: GOST 33259 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
Slip-on flanges — ASME B16.5 · Carbon steel / Stainless steel · CLASS 150
Specify the pipe outside diameter and flange bore. Confirm the fit, facing and weld arrangement before ordering.
Slip-on flanges — ASME B16.5 · Carbon steel · A350 LF2 · 150LBS / 2500LBS
Specify the pipe outside diameter and flange bore. Confirm the fit, facing and weld arrangement before ordering.