Steel flat welded flanges Type 01 (according to the old classification — GOST 12820-80) manufactured by the Chelyabinsk Flange Plant (CHFZ, Russia). Designed for tight connection of pipeline sections, attachment of valves, pipeline fittings, equipment, and tanks. They are produced by hot stamping from high-quality structural carbon steel, which guarantees the absence of internal cavities and excellent weldability. CHFZ products strictly comply with Russian quality standards and are designed for heavy-duty operating conditions.
No.
Product Name
Dimensions (DN x PN)
Unit
Price (incl. VAT)
Origin
Steel Flange PN 1.0 (10 Bar)
1
Steel flat flange type 1 — 15x10
15 x 10
pcs
8 400.00
CHFZ (Russia)
2
Steel flat flange type 1 — 20x10
20 x 10
pcs
12 200.00
CHFZ (Russia)
3
Steel flat flange type 1 — 32x10
32 x 10
pcs
23 000.00
CHFZ (Russia)
4
Steel flat flange type 1 — 40x10
40 x 10
pcs
28 200.00
CHFZ (Russia)
5
Steel flat flange type 1 — 50x10
50 x 10
pcs
33 900.00
CHFZ (Russia)
6
Steel flat flange type 1 — 65x10
65 x 10
pcs
46 100.00
CHFZ (Russia)
7
Steel flat flange type 1 — 80x10
80 x 10
pcs
52 500.00
CHFZ (Russia)
8
Steel flat flange type 1 — 100x10
100 x 10
pcs
62 700.00
CHFZ (Russia)
9
Steel flat flange type 1 — 125x10
125 x 10
pcs
84 800.00
CHFZ (Russia)
10
Steel flat flange type 1 — 150x10
150 x 10
pcs
109 000.00
CHFZ (Russia)
11
Steel flat flange type 1 — 200x10
200 x 10
pcs
132 500.00
CHFZ (Russia)
Steel Flange PN 1.6 (16 Bar)
12
Steel flat flange type 1 — 15x16
15 x 16
pcs
10 050.00
CHFZ (Russia)
13
Steel flat flange type 1 — 20x16
20 x 16
pcs
14 150.00
CHFZ (Russia)
14
Steel flat flange type 1 — 32x16
32 x 16
pcs
26 000.00
CHFZ (Russia)
15
Steel flat flange type 1 — 40x16
40 x 16
pcs
32 100.00
CHFZ (Russia)
16
Steel flat flange type 1 — 50x16
50 x 16
pcs
42 500.00
CHFZ (Russia)
17
Steel flat flange type 1 — 65x16
65 x 16
pcs
56 300.00
CHFZ (Russia)
18
Steel flat flange type 1 — 80x16
80 x 16
pcs
61 050.00
CHFZ (Russia)
19
Steel flat flange type 1 — 100x16
100 x 16
pcs
74 900.00
CHFZ (Russia)
20
Steel flat flange type 1 — 125x16
125 x 16
pcs
105 000.00
CHFZ (Russia)
21
Steel flat flange type 1 — 150x16
150 x 16
pcs
128 500.00
CHFZ (Russia)
22
Steel flat flange type 1 — 200x16
200 x 16
pcs
166 200.00
CHFZ (Russia)
Non-standard Grade
23
Steel flat flange type 1 — 25x10
25 x 10
pcs
24 750.00
CHFZ (Russia)
Technical Specifications
Specification
Value
Manufacturing Standard
GOST 33259-2015 (Type 01) / GOST 12820-80
Manufacturer Plant
Chelyabinsk Flange Plant (CHFZ)
Material (Steel Grade)
Steel 20, Steel 09G2S
Nominal Pressure (PN)
1.0 MPa (10 Bar) and 1.6 MPa (16 Bar)
Working Medium
Water, steam, gas, oil, and non-aggressive liquids
Medium Temperature
From -70 °C to +450 °C (depending on steel grade)
Sealing Surface Type
Type B (Standard raised face)
Advantages of CHFZ Flanges:
Geometric accuracy: Full compliance of center-to-center distances and bolt holes with GOST requirements, which guarantees easy installation.
High-quality metal: The use of certified rolled steel products prevents cracking of the flange when tightening bolts.
Smooth finish: High quality processing of the flange face (mirror) ensures perfect tightness of the gasket fit.
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