，儲罐，或者設備的超壓保護裝置的安全閥。
美國威盾VTON美標安全閥按API RP520設計
，適用大部分常規(guī)介質(zhì)的工礦條件，采用傘形反沖盤設計
，能夠有效地提高排放壓力
，閥瓣能在較小的超壓下迅速達到全啟的高度，從而達到額定排量
；閥座和閥瓣的密封面堆焊硬質(zhì)合金
，再經(jīng)精心研磨后保證安全閥的密封性和使用壽命。
二
、進口美標安全閥產(chǎn)品特征
1
、美標安全閥閥座與閥體為可分離式
，維修方便、經(jīng)濟
2
、美標安全閥傘形反沖盤和調(diào)節(jié)圈能夠有效地提高升力
，閥瓣在較小超壓下就能夠迅速全開啟，排放介質(zhì)
，從而達到保護設備的目的
3
、美標安全閥調(diào)節(jié)圈能夠調(diào)整滿意的啟閉壓差
4、美標安全閥對反沖盤和導套
、閥桿和調(diào)整螺釘?shù)牟牧线M行合適的選擇以及間隙的適當選取
，保證閥瓣的運動靈活
5、美標安全閥密封面處堆焊硬質(zhì)合金
，表面精研后保證了安全閥的耐蝕性
、高密封性和使用壽命長
6、美標安全閥彈簧和波紋管選材及加工工藝講究
，并進行嚴格的測試和檢查
三
、進口美標安全閥執(zhí)行標準
設計規(guī)范：API RP 520
結構長度：API RP 520
法蘭連接：ANSI B16.34
試驗與檢驗：API 527
四、進口美標安全閥整定壓力等級
公稱壓力（Lbs) | 進口溫度（°C)/整定壓力等級 |
-29～38 | 38～232 | 232～427 |
150# | ≤1.96MPa | ≤1.27MPa | ≤0.55MPa |
300# | ≤5.10MPa | ≤4.24MPa | ≤2.82MPa |
600# | ≤10.20MPa | ≤8.51MPa | ≤5.68MPa |
900# | ≤15.30MPa | ≤12.72MPa | ≤8.51MPa |
1500# | ≤25.54MPa | ≤21.23MPa | ≤14.20MPa |
2500# | ≤34.47MPa | ≤34.47MPa | ≤23.65MPa |
五
、進口美標安全閥性能參數(shù)
型號 | 鑄鋼型
WCB | 304不銹鋼型 | 316不銹鋼型 | 316L不銹鋼型 |
口徑范圍 | 1/2"～8" |
適用溫度 | ≤427°C |
適用介質(zhì) | 水 、蒸汽、油品 | 腐蝕性介質(zhì) | 腐蝕性介質(zhì) | 腐蝕性介質(zhì) |
材料 | 1 、閥座 | 304SS | CF8 | CF8M | CF3M |
2 、閥體 | WCB | CF8 | CF8M | CF3M |
3、調(diào)節(jié)圈 | 304SS | 304SS | 316SS | 316L |
4 、反沖盤 | 304SS | 304SS | 316SS | 316L |
5 、閥瓣 | 304SS | 304SS | 316SS | 316L |
6、導向套 | 304SS | 304SS | 316SS | 316L |
7 、閥蓋 | WCB | CF8 | CF8M | CF3M |
8 、彈簧 | 50CrVa | 50CrVa包覆TEFLON | 50CrVa包覆TEFLON | 50CrVa包覆TEFLON |
9、閥桿 | 304SS | 2Cr13 | 316SS | 316L |
10 、調(diào)整螺桿 | 2Cr13 | 2Cr13 | 2Cr13 | 2Cr13 |
11 、保護罩 | ZG200 | ZG200 | ZG200 | ZG200 |
密封面材料 | 堆焊Co基硬質(zhì)合金 | 堆焊Co基硬質(zhì)合金 | 堆焊Co基硬質(zhì)合金 | 堆焊Co基硬質(zhì)合金 |
六、進口美標安全閥主要尺寸 Main Dimension
CLASS150LB |
Nominal Diameter DN(in) | Dimension (mm) |
do | D | D1 | D2 | b | t | Z- d | DN' | D' | D1' | D2' | b' | t' | Z- d' | L | L1 | H |
1/" 3/ "
2 4 | D | 89 | 60.5 | 35 | 12 | 5 | 4-15 | 20 | 98 | 70 | 43 | 14 | 1.6 | 4-15 | 90 | 90 | 290 |
3/ " 1"
4 | D | 98 | 70 | 43 | 14 | 5 | 4-15 | 25 | 108 | 79.5 | 51 | 15 | 1.6 | 4-15 | 96 | 92 | 310 |
1" 11/ "
2 | D | 108 | 79.5 | 51 | 15 | 5 | 4-15 | 40 | 127 | 98.5 | 73 | 18 | 1.6 | 4-15 | 115 | 105 | 320 |
1" 2" | D | 108 | 79.5 | 51 | 15 | 5 | 4-15 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 115 | 105 | 320 |
11/ " 2"
2 | G | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 121 | 124 | 350 |
11/" 21/ "
2 2 | G | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 121 | 124 | 360 |
11/ " 3"
2 | G | 127 | 98.5 | 73 | 18 | 5 | 4-15 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 360 |
2" 21/ "
2 | H | 152 | 120.5 | 92 | 18 | 5 | 4-19 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 124 | 130 | 380 |
2" 3" | J | 152 | 120.5 | 92 | 18 | 5 | 4-19 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 380 |
21/ " 4"
2 | J | 178 | 139.5 | 105 | 20 | 5 | 4-19 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 143 | 137 | 380 |
3" 4" | L | 190 | 152.5 | 127 | 22 | 5 | 4-19 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 162 | 156 | 480 |
4" 6" | N | 229 | 190.5 | 157 | 24 | 10 | 8-19 | 150 | 279 | 241.5 | 216 | 26 | 1.6 | 8-22 | 210 | 197 | 540 |
6" 8" | P | 279 | 241.5 | 216 | 26 | 10 | 8-22 | 200 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | 241 | 240 | 760 |
8" 10" | R | 343 | 298.5 | 270 | 29 | 10 | 8-22 | 250 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | 279 | 276 | 830 |
12" 14" | T | 483 | 432 | 381 | 32 | 10 | 12-25 | 350 | 533 | 476 | 413 | 35 | 1.6 | 12-29 | 370 | 360 | 890 |
| | | | | | | | | | | | | | | | | |
CLASS300LB |
Nominal Diameter DN(in) | Dimension (mm) |
do | D | D1 | D2 | b | t | Z- d | DN' | D' | D1' | D2' | b' | t' | Z- d' | L | L1 | H |
1 3
/2" /4" | D | 95 | 66.5 | 35 | 15 | 5 | 4-15 | 20 | 98 | 70 | 43 | 14 | 1.6 | 4-15 | 90 | 90 | 290 |
3/ " 1" | D | 117 | 82.5 | 43 | 16 | 5 | 4-19 | 25 | 108 | 79.5 | 51 | 15 | 1.6 | 4-15 | 96 | 92 | 310 |
1" 11/ " | D | 124 | 89 | 51 | 18 | 5 | 4-19 | 40 | 127 | 98.5 | 73 | 18 | 1.6 | 4-15 | 115 | 105 | 320 |
1" 2" | D | 124 | 89 | 51 | 18 | 5 | 4-19 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 115 | 105 | 320 |
11/ " 2" | F | 156 | 114.5 | 73 | 20 | 5 | 4-22 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 121 | 124 | 350 |
11/" 21/ "
2 2 | F | 156 | 114.5 | 73 | 20 | 5 | 4-22 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 121 | 124 | 360 |
11/ " 3" | F | 156 | 114.5 | 73 | 20 | 5 | 4-22 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 360 |
2" 21/ " | H | 165 | 127 | 92 | 22 | 5 | 8-19 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 124 | 130 | 380 |
2" 3" | H | 165 | 127 | 92 | 22 | 5 | 8-19 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 124 | 130 | 380 |
21/ " 4" | J | 190 | 149.5 | 105 | 24 | 5 | 8-22 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 143 | 137 | 380 |
3" 4" | L | 210 | 168 | 127 | 28 | 5 | 8-22 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 162 | 156 | 480 |
4" 6" | N | 254 | 200 | 157 | 32 | 10 | 8-22 | 150 | 279 | 241.5 | 216 | 26 | 1.6 | 8-22 | 210 | 197 | 540 |
6" 8" | P | 318 | 270 | 216 | 38 | 10 | 12-22 | 200 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | 241 | 240 | 760 |
8" 10" | R | 381 | 330 | 270 | 42 | 10 | 12-25 | 250 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | 279 | 276 | 830 |
注：出口法蘭為150Lb 。 Remark:150Lb for outlet flange. |
| | | | | | | | | | | | | | | | | |
CLASS600LB |
Nominal Diameter DN(in) | Dimension (mm) |
do | D | D1 | D2 | b | t | Z- d | DN' | D' | D1' | D2' | b' | t' | Z- d' | L | L1 | H |
3/ " 1"
4 | D | 117 | 82.5 | 43 | 16 | 7 | 4-19 | 25 | 108 | 79.5 | 51 | 15 | 1.6 | 4-15 | 96 | 92 | 2,310 |
1" 2" | D | 124 | 89 | 51 | 19 | 7 | 4-19 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 115 | 105 | 320 |
11/ " 2"
2 | F | 156 | 114.5 | 73 | 22 | 7 | 4-22 | 50 | 152 | 120.5 | 92 | 18 | 1.6 | 4-19 | 152 | 124 | 360 |
11/" 21/ "
2 2 | F | 156 | 114.5 | 73 | 22 | 7 | 4-22 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 152 | 124 | 380 |
11/ " 3"
2 | F | 156 | 114.5 | 73 | 22 | 7 | 4-22 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 152 | 124 | 380 |
2" 21/ "
2 | H | 165 | 127 | 92 | 26 | 7 | 8-19 | 65 | 178 | 139.5 | 105 | 20 | 1.6 | 4-19 | 162 | 154 | 410 |
2" 3" | H | 165 | 127 | 92 | 26 | 7 | 8-19 | 80 | 190 | 152.5 | 127 | 22 | 1.6 | 4-19 | 162 | 154 | 410 |
1
2 /2" 4" | K | 190 | 149 | 100 | 29 | 7 | 8-22 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 143 | 165 | 410 |
3" 4" | K | 210 | 168 | 127 | 32 | 10 | 8-22 | 100 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 162 | 155 | 480 |
4" 6" | N | 273 | 216 | 157 | 38 | 10 | 8-25 | 150 | 279 | 241.5 | 216 | 26 | 1.6 | 8-22 | 210 | 200 | 540 |
6" 8" | P | 292 | 292 | 216 | 46 | 10 | 12-29 | 200 | 343 | 298.5 | 270 | 29 | 1.6 | 8-22 | 241 | 240 | 760 |
注：出口法蘭為150Lb 。 Remark:150Lb for outlet flange. |
