Discover more about Ansi standard Bellows Seal Globe Valve

Introduction

Ansi standard Type Bellows Seal Globe Valve main for steam, hot oil pipeline. The connection size is ANSI Standard, American standard valves are heavier than DIN standard valves, So price a little high then DIN standard.

Advantage

ANSI Standard Bellow Seal Globe Valve function is same with Din globe valve.

1, They are all bellow seal globe valves,they are all have double seals (bellows +padding), normal globe valve only have padding seal. But their body design is different, you can check their pictures.

2, Disc with scraping effect, so it has a longer service life.

3, The inside seals bellows are all made by stainless steel 321, which is more corrosion resistant and have a longer service life.

4, bellow seal globe valves are lighter than normal globe valve in open and off.

Technical specification

Face to face :ANSI

Flange ends: DIN2543-2546

Design standard: DIN

Test& inspection: DIN3230  

Nominal Pressure PN
Pressure test Strength test 1.4PN MPa
Sealing test 1.0PN
Gas seal test 0.5
Temputer -20℃~425℃

Main Material(mostly) it can OEM

NO. Part name Material
1 Body GS-C25,1.4401、SS321,SS304
2 Seat 1.4301、SS
3 Disc 2Cr13、SS、507L
4 Pin 2Cr13
5 Bellows SS321、SS316 ETC
6 Stem 1.4401、2Cr13
7 Gasket Flexible graphite + stainless steel
8 Cover GS-C25、、1.4401、SS321,SS304
9 Nut ASTM 194-2H、A194-8
10 Double-headed bolt ASTM 194-B7、A193-B8
11 Packing                   BY Ply-wooden case
12 Gland GS-C25、1.4301、1.4401
13 Locator 1C25
14 Stem nut Copper alloy、D2、BL2
15 Hand wheel KTH330-08
16 Cap 1C45

Connection Size (DN15-DN350)

ANSI CLASS150
DN Main connection size
L D D1 D2 C f n-Φd
15 108 90 60.3 34.9 11.2 2 4-Φ16
20 117 100 69.9 42.9 12.7 2 4-Φ16
25 127 110 79.4 50.8 14.2 2 4-Φ16
32 140 115 88.9 63.5 16 2 4-Φ16
40 165 125 98.4 73 17.5 2 4-Φ16
50 203 150 120.7 92.1 19 2 4-Φ19
65 216 180 139.7 104.8 22.4 2 4-Φ18
80 241 190 152.4 127 24 2 4-Φ18
100 292 230 190.5 157.2 24 2 8-Φ18
125 356 255 215.9 185.7 24 2 8-Φ18
150 406 280 241.3 215.9 25.4 2 8-Φ22
200 495 345 298.5 269.9 28.4 2 8-Φ22
ansi standard bellows seal globe valve
ansi standard bellows seal globe valve
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