API cast steel gate valve

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API cast steel gate valve

Product model: Z40H
Nominal diameter: Class150 ~ 900
Nominal pressure: PN2.0 ~ 16.0MPa
Working temperature: -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel)
Applicable medium: water, steam, oil , nitric acid, acetic acid, strong oxidizing medium and urea and other media
drive modes: manual, bevel gear and electric
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First, ANSI US standard gate valve main purposes

Flange connection steel gate valve for ANSI Class150 ~ 900, PN2.0 ~ 16.0MPa, JIS10 ~ 20K, operating temperature -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel) on the famous pipe, Used to cut off or turn on the media in the pipe. 
Through the use of different materials, can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea and other media. There are manual, bevel gears and electric motors.

Second, American standard cast steel gate valve structure characteristics

① product design and manufacturing in line with foreign advanced standards, sealed and reliable, excellent performance. 
② compact and reasonable structure design, handsome in appearance. 
③ the use of wedge-shaped elastic gate structure, large diameter set of rolling bearings, open and close easily. 
④ full range of valve body material, packing, gasket according to the actual conditions or user requirements reasonable matching, applicable to a variety of pressure, temperature and media conditions. 
⑤ domestic and foreign use of a variety of piping flange and flange sealing surface type to meet the needs of various projects and user requirements.


Third, American standard cast steel gate valve application specification

Design and ManufactureStructure length 
Face to face / End to end
Flange Size 
FlangeDimension
Butt connection dimensions 
Butt welding dimension
Pressure - Temperature
Pressure
Test - Test 
Inspection and Test
API 600ANSI B16.10ANSI B16.5ANSI B16.25ANSI B16.34API 598
API 6DAPI 6DANSI B16.5ANSI B16.25ANSI B16.34API 6D

 

Fourth, American standard cast steel gate valve pressure test

Design and Manufacturing 
Design and 
Manufacture
Strength Test 
Shell Test
Water Seal Test 
WaterSeal Test
Air Seal Test 
Air SealTest
MPaLbf / in2MPaLbf / in2MPaLbf / in2
1503.04302.23150.4-0.760-100
3007.711105.7815
60015.3222011.3630
90023.03330172445


Fifth, American standard cast steel gate valve main parts materials and the main purpose

Body cover flap   
Body Cover Disc
Stem 
Stem
Sealing surface 
Sealing Face
Gasket (ring) 
Sealing Shim
Packing 
Packing
Working Temperature deg.] C 
Working Temperature
Suitable medium 
Suitable Medium
WCB2Cr1313Cr 
STL 
Wooden Material 
With Body
Material 
Nylon 
Nylon
Enhanced Flexible Graphite 13Cr / Flexible Graphite Enhanced Flexible Graphite 
1Cr13 / Flexible Graphite 
SFB-2 
08 Soft Steel 
08 Soft Steal 
F304 
F316 
F304L 
F316L
Flexible graphite reinforced flexible graphite 
Flexible Graphite 
Enhanced Flexible Graphite 
SFBs / 260. 
the SFP / 260. 
the PTFE
≤425Steam Oil 
Water 
the Steam
Petroleum
Products's
WC138CrMoAl 25Cr2MoV≤425
WC6≤540
WC9≤570
C5 C12≤540
CF8F304≤ 200Nitric 
acid 
urea 
Nitric acid
Acetic acid
CF8MF316
CF3F304L
CF3MF316L


Six, American standard cast steel gate valve main dimensions, connection size and quality

150Lb Main dimensions and weight
DN150Lb convex flange (RF) main dimensions Dimensions (mm)Weight (kg) 
mminLDD1D2bn-φdHD0
151/21088960.53511.24-161691005
203/41179869.94312.74-161921006.1
25112710879.25114.24-162301209
3211/41401178963164-1624612012
4011/216512798.67317.54-1628315017
502178152120.79219.04-1932315023
6521/2190.5178139.710522.44-1934718045
803230190152.4127244-1938320050
1004229229190.5157248-1945720063
1255254254216186248-22.563225089
1506267279241.521625.48-22.5635250108
2008292343298.527028.48-22.5762280171
2501033040636232430.212-25.4892300263
30012356483431.83813212-25.41080350346
35014381533476.34133512-291295350488
40016406597539.847036.616-291435400621
45018432635577.953339.616-321626400814
500204573986355844320-321829450992
60024508813749.369248.820-3521755001492
65026559786744.571151.336-22.522355501801
70028610837795.376244.540-22.523106001933
7503061088784681344.544-22.526956002272
800326609419008644648-22.53708--
9003671110571009.792752.340-25.43924--
10004081211751120.6108055.644-25.44318--

300Lb Main dimensions and weight

DN300Lb convex flange (RF) main dimensions Dimensions (mm)Weight (kg) 
mminLDD1D2bn-φdHD0
151/21409566.53514.24-161691205.2
203/415211782.543164-191931506.3
251165123895117.54-192301508.6
3211/417813398.563194-1924616014.3
4011/2190155114.37620.64-22.528318015.6
5022161651279222.48-1933020030
6521/2241190149.410525.48-22.536824044
803283210168.112728.48-22.539428061
1004305254200.215731.88-22.547330077
1255381279235186358-22.5660350125
1506403318269.721636.612-25.5711400153
2008419381330.227041.212-25.4813400286
25010457444387.532447.816-28.41003450412
30012502521450.838150.816-321137500576
35014762584514.44135420-321489600886
40016838648571.547057.220-3515806501175
45018914711628.753360.424-3510177001301
50020991775685.858463.524-3522287001672
600241143914812.86927024-4126507502556
650261245867803.1736.690.032-353219--
700281346921857.3787.490.036-353378--
750301397991902.8844.693.736-383530--


600Lb 
Main dimensions and weight

DN600Lb convex flange (RF) main dimensions Dimensions (mm)Weight (kg) 
mminLDD1D2bn-φdHD0
151/21659566.53514.54-161691605.9
203/419011782.543164-191931807.5
251216124895117.54-1923020010.2
3211/422913398.563214-1924620016.7
4011/2241156114.37322.54-2228324017.4
50229216512792338-1942528044
6521/2330190149.4105368-2248532055
803356210168.1127398-2251035080
1004432273216157458-25610400145
1255508330266186528-29700450187
1506559356292.12165512-29820500241
2008660419349.32706312-32920600309
250107875084323247116-351080650522
300128385594893817420-351220650779
350148896035274137720-3814737001108
400169916866034708420-4116518001503
4501810927436545339020-4517278001939
5002011948137245849624-4520198002733
60024139794083869210924-512155-4177