UNKJ 037 counter flange
UNKJ 037 counter flange
Steel  weld neck flanges are designed for  tank,  unit or vessel fitting connection as a counter flange for flange thermowells UNKJ 019, 020, 024, 124, and  also for sensors with mounting element - flange with sealing surface according  to GOST 12815, GOST R 54432, ASME B16.5 or DIN EN 1092-1.
Flanges are produced according to GOST  12821, ASME B16.5 or DIN EN 1092-1, and also in compliance with customer's  requirements specification including design documentation development and  approval. Sealing surface versions and corresponding sealing surfaces of  thermowells UNKJ 019, 020, 024, 124, are given in the table 5, page 9-7.
operating pressure  РР: according to GOST 356-80 – depending on medium temperature  and flange material 
technical specifications: in compliance with  requirements of GOST 12815-80, GOST 12816-80 GOST 54432, GOST 12821-80, ASME  B16.5 or EN 1092-1
| UNKJ 037 | ¾ | 02 | . | 50 | . | 63 | ¾ | S10 | 
| 1 | 
 | 2 | 
 | 3 | 
 | 4 | 
 | 5 | 
| NN | Structure | Field code | Designation | 
| 1 | Manufacturer's code | UNKJ 037 | steel weld neck flange | 
| 2 | Sealing    surface  | 01; RF; form B | rased face flange | 
| 02; LM; SM; form E | raised face flange | ||
| 03; LF; SF; form F | female flange | ||
| 04; LT; ST; form C | tongue flange | ||
| 05; LG; SG; form D | groove flange | ||
| 07; RTJ; form H | for oval joint | ||
| 3 | Nominal diameter DN | 20 to 80 | dimension in mm from the range according to GOST 28338 | 
| up to 3’’ | size (inch) according to ASME | ||
| 4 | Flange durability group | 1 to 250 | nominal (rated) pressure in kgf/cm2 from the rage according to GOST 26349 | 
| 150# to 2500# | class according to ASME | ||
| 5 | Flange material | S10 | steel 12Cr18Ni10T, | 
| S13 | steel 10Cr17Ni13М2Т | ||
| St20 | steel 20 | ||
| Scm | steel 15Cr5М | 
UNKJ 03702.50.6,3S10 flange UNKJ 037, version 2 (GOST 12815), DN-50 mm, PN-63kgf/cm2. Flange material S10 steel 12Cr18Ni10Т. UNKJ 037RF.2.300#  Scm flange UNKJ 037, version RF (ASME B16.5), DN=2’’, class 300. Flange material Scm steel 15Cr5М


