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API截止閥

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  • 産品應用

  産品執行标準

設計與制造

結構長度

法蘭尺寸

對焊連接(jiē)尺寸

壓(yā)力 -溫度(dù)

試驗 -檢驗

ANSI B16.34、BS1873

ANSI B16.10

ANSI B16.5

ANSI B16.25

ANIS B16.34

API 598

  産品(pǐn)性能規範

公稱壓力

強(qiáng)度試驗

水密封試驗

氣(qì)密封試驗

MPa

Lbf/in2

MPa

Lbf/in2

MPa

Lbf/in2

150

3.1

450

2.2

315

0.5~0.7

60~100

300

7.8

1125

5.6

815

600

1513

2225

11.2

1630

900

23.1

3350

16.8

2440

1500

38.4

5575

28.1

4080

2500

64.6

9367

47.4

6873

  主要零件材(cái)料

體、蓋、瓣

閥杆

密(mì)封面

墊(niàn)片 (環)

填料

工作溫度 (℃)

适用介質

WCB

2Cr13

13Cr
STL
本體材料
PTFE
尼龍

增強柔性石(shí)墨
13Cr/柔性(xìng)石墨
SFB-2
08軟鋼
F304
F316
F304L
F316L

柔性石墨
增強柔性石墨

≤425

水、蒸汽、油品

WC1

38CrMoA1
25Cr2Mov

≤450

WC6

≤540

WC9

≤570

C5C12

≤540

CF8

F304

≤600

硝酸、醋酸、尿素

CF3

F316

CF8M

F304L

CF3M

F316L

  主要外形和(hé)連接尺寸單位Unit:mm

磅級規格LDD1D2bN-φdD0HWT
150Lb1/2″mm1088960.535124-151251693.8
in4.253.52.381.380.474-0.594.926.65
3/4″mm117987043124-151251804.2
in4.613.862.761.690.474-0.594.927.08
1″mm12710879.551124-151251908
in54.253.1320.474-0.594.927.48
11/2″mm16512798.57314.34-1618034713
in6.553.882.870.564-0.627.0913.66
2″mm203152120.59215.94-1918035621
in8.006.004.753.620.6254-0.757.0914
21/2″mm216178139.510517.54-1924038130
in8.575.504.120.694-0.759.4515.00
3″mm241190152.412719.14-192801341
in9.57.50650.754-0.7511.0216.25
4″mm292229190.5157248-1928050064
in11.509.007.56.190.948-0.7511.0219.68
6″mm406279241.521625.48-22360656113
in1611.09.508.51.008-0.8814.1722.25
8″mm495343298.5270298-22450660190
in19.513.511.7510.621.128-0.8817.7526.00

  主要外形和連接尺(chǐ)寸 單位(wèi)Unit:mm

磅級規(guī)範LDD1DbN-φdD0HWT
300L1/2″mm1529566.535154-151251904.5
in5.983.742.621.380.954-0.594.927.48
3/4″mm17811782.543164-191252128
in74.613.251.690.624-0.754.928.35
1″mm2031248951184-1916023110
in84.93.5020.714-0.756.29.1
11/2″mm229156114.57320.74-2220039118.5
in96.124.512.870.814-0.87815.43
2″mm26716512792228-1920040637
in1056.553.620.888-0.757.8716.00
21/2″mm292190149105258-2224045750
in11.57.505.884.121.008-0.889.4518.00
3″mm318210168.5127298-2228047061
in12508.256.6251.128-0.8811.0218.50
4″mm3562.54200157328-2232059099
in14.0010.007.886.191.258-0.8812.6023.23
6″mm4443182702163712-22500711176
in17.5012.5010.628.51.4412-0.8819.6828.00
8″mm5593813302704112-25500750333
in22.01513.0010.621.6212-10019.6829.50

  主要外形和連接尺寸 單位Unit:mm

磅級規範LDD1DbN-φdD0HWT
600Lb1/2″mm1659566.535154-151602856
in6.53.742.621.380.594-0.596.211.22
3/4″mm190117.582.543164-191602859
in7.484.613.251.690.624-0.756.211.22
1″mm2161248951184-1916031312
in8.54.93.520.714-0.756.212.32
11/2″mm241156114.573234-2224036522
in9.56.124.512.870.914-0.889.4514.17
2″mm29216512792258-1924044439
in11.506.505.003.621.008-0.759.4517.50
21/2″mm330190149105298-2224048350
in137.505.884.121.128-0.089.4519
3″mm356210168127328-2228053368
in14.008.256.6251.258-0-8811.0221
4″mm4.0627321615738.18-25360622120
in16.0010.758.56.191.58-1.0014.1724.50

mm49535629221647.712-29500800220
6″in19.501411.58.51.8812-1.1419.6831.50
8″mm59741934927055.612-32550927450









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  • API截止(zhǐ)閥
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