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PN Casting Steel Ball Valve Low Pressure

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PN Casting Steel Ball Valve Low Pressure

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Product Description

Design Specifications

Design standards Structure length Flange connection Test and inspection
GB/T 12237 GB/T 12221 JB/T 168 JB/T79 HG/T 20592 GB/T13925

 

Pressure Test

Pressure rate Shell test (Mpa) Sealing test (Mpa) Temperature Suitable medium
1.6 2.4 1.76 ≤600℃ Water,Oil,Gas
2.5 3.75 2.75
4 6 4.4
6.3 9.45 6.93
10 15 11
16 24 17.6

 

Material of Main Parts

NO. Part Name Part Material
1 Body WCB ZGOCr18Ni10Ti A351CF8 A351CF8M A351CF3 A351CF3M
2 Cap WCB ZGOCr18Ni10Ti A351CF8 A351CF8M A351CF3 A351CF3M
3 Ball F304 A182F321 A182F304 A182F316 A182F304L A182F316L
4 Seat PTFE PTFE PTFE PTFE PTFE PTFE
5 Stem 0Cr18N10T OCr18Ni¹0Ti 06Cr19Ni10 06Cr17Ni¹2Mo2 022Cr19Ni10 022Cr17Ni12Mo2
6 Gasket 304+Graphite 304+Graphite 304+Graphite 304+Graphite 304+Graphite 304+Graphite
7 Bolt  B7 A193B8 A193B8 A193B8M A193 B8 A193 B8M
8 Nut A1948 A1948 A1948 A1948M A1948 A1948M
9 Temperature Soft seal-196-250℃ ,Hard seal-196-425℃
10 Medium Nitric acid type weak corrosive medium

 

PN64 Main External Dimension(Unit:mm)

DN L d D D1 D2 D3 b z-d W H
15 165 14 105 75 55 40 18 4-14 180 79
20 190 19 125 90 68 51 20 4-18 200 83
25 216 25 135 100 78 58 22 4-18 220 114
32 229 32 150 110 82 66 24 4-23 280 120
40 241 38 165 125 95 76 24 4-23 320 125
50 292 51 175 135 105 88 26 4-23 400 156
65 330 64 200 160 130 110 28 8-23 450 172
80 356 76 210 170 140 121 30 8-23 500 220
100 432 102 250 200 168 150 32 8-25 650 250

 

PN100 Main External Dimension(Unit:mm)

DN L d D D1 D2 D3 b z-d W H
15 165 14 105 75 55 40 20 4-14 180 79
20 190 19 125 90 68 51 22 4-14 200 83
25 216 25 135 100 78 58 24 4-14 220 114
32 229 32 150 110 82 66 24 4-18 280 120
40 241 38 165 125 95 76 26 4-18 320 125
50 292 51 195 145 112 88 28 4-18 400 156
65 330 64 220 170 138 110 32 8-18 450 172
80 356 76 230 180 148 121 34 8-18 500 220
100 432 102 265 210 172 150 38 8-23 650 250