Lined Reducing flange

VescoaT supplies and manufacturer of FEP / PFA Lined Reducing Flange of various Standard, Non Standard size on Request, We also manufactures in PFA / FEP / HDPE lined Reducing Flange on Application and international standard of ASTM F1545.

Dimension Detail: All Dimensions are in mm
NB 1 NB 2 L
MM INCH MM INCH
40 1.5″ 25 1″ 35
50 2″ 25 1″ 35
40 1.5″
65 2.5″ 25 1″ 35
40 1.5″
50 2″
80 3″ 25 1″ 45
40 1.5″
50 2″
65 2.5″
100 4″ 25 1″ 45
40 1.5″
50 2″
65 2.5″
80 3″
150 6″ 25 1″ 54
40 1.5″
50 2″
65 2.5″
80 3″
100 4″
200 8″ 25 1″ 54
40 1.5″
50 2″
65 2.5″
80 3″
100 4″
150 6″
250 10″ 25 1″ 54
40 1.5″
50 2″
65 2.5″
80 3″
100 4″
150 6″
200 8″
300 12″ 25 1″ 54
40 1.5″
50 2″
65 2.5″
80 3″
100 4″
150 6″
200 8″
250 10″
150# Class All Dimensions are in mm
NB d4 K D No. of Holes & Hole Dia
MM INCH
25 1″ 50.8 79.2 108 4 x 15.9
40 1.5″ 73.2 98.6 127 4 x 15.9
50 2″ 91.9 120.7 152.4 4 x 19.0
65 2.5″ 104.6 139.7 177.8 4 x 19.0
80 3″ 127.0 152.4 190.5 4 x 19.0
100 4″ 157.2 190.5 228.6 8 x 19.0
150 6″ 215.9 241.3 279.5 8 x 22.2
200 8″ 269.7 298.5 342.9 8 x 22.2
250 10″ 323.9 362.0 406.4 12 x 25.4
300 12″ 381.0 431.8 482.6 12 x 25.4

LINED REDUCING FLANGE

Technical Specification:

Size 15NB TO 300NB ( ¾” TO 12” )
Length As per Standard of B16.5 & ANSI B 16.42
Liner PFA    – Per Fluoro Alkoxy, ASTM D3307

FEP    – Fluorinated Ethylene Propylene,  ASTM D2116

HDPE –  As per Standard

Body As per ASTM A 234 Gr. WPB / DI A395 / SS304 / SS316 ( Seamless)
Steel Housing Carbon steel or Stainless Steel
Flanges ASTM A 105 (N) / IS 2062 / ASTM A351 GR CF8 & CF8M
Drilling / Pressure ASA 150# / 300# / DIN / Table – F
Dimensional STD Reducing Flange: B16.5 & ANSI B 16.42

Flanges               : ASME B 16.5

Lining Standard : ASTM F 1545

Temperature -29℃~200℃
Vacuum Full vacuum rated
Testing/Inspection Mechanical Properties
  PTFE PFA FEP
Hydro Test At 29 Bar, after lining Tensile Strength, PSI (min) 3500 3800 3000
Spark Test At 25 KV Elongation, % (min) 300 300 250

Notes :

  1. All Fittings work will be supplied with suitable wooden end covers to protect the flare faces.
  2. Material test certificates will be provided for all raw materials
  3. The plastic liner flare will replace the raised face portion of the flange.