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American standard large-diameter gate valve
Product model: Z541H / W / Y
Nominal diameter: 2 "to 48"
Nominal pressure: 150Lb~1500Lb
Body material: carbon steel, stainless steel, duplex steel
Drive mode: hand wheel, gear, electric, pneumatic
Basic standards : API 600, BS1414, ASME B16.34
Flange connection: ASME B16.5, ASME B16.47,
Butt weld connection: ASME B16.25
Face to face dimension: ASME B16.10, EN558
Pressure - Temperature class: ASME B16.34
Test and Inspection: API 598, BS 6755, ASME B16.34

First, the American Standard large-diameter gate valve profile

Gate valve pressure, temperature and caliber range, especially for medium and large diameter pipe.

From the simplest American standard valve to a very complex automatic control system used in a variety of American Standard valves, the variety and specifications are quite diverse. The valve can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, muds, oils, liquid metals and radioactive media.


 Second, the American standard large-diameter gate valve product structure characteristics

1, Product design and manufacture according to API standards, reliable sealing, excellent performance, supporting the use of imported equipment.

2,600Lb Above gate and valve seat seal with stellite stellite (cobalt-based hardfacing), wear-resistant, high temperature, corrosion resistance, good scratch resistance, long life

3, The stem by quenching and nitriding surface treatment, have good corrosion resistance and scratch resistance.

4, Using wedge-type flexible gate structure, large diameter set rolling bearings, opening and closing easily.

5, The full range of valve materials, packing, gasket reasonable selection according to the actual conditions or user requirements, can be applied to a variety of pressure, temperature and medium conditions.

6,1500LB, 2500LB The use of self-tight pressure chamber sealed structure. Sealing performance increases with increasing internal pressure, high reliability.

7, Inverted seal with stainless steel threaded seal seat or body made of welded austenitic stainless steel, reliable sealing, packing replacement and maintenance can be carried out without downtime, convenient and quick does not affect the system operation. 
 
 Third, the main connection and dimensions

DN 150Lb convex flange RF
mm in L D D1 D2 b Z-φd H D0
15 1/2 108 89 60.5 35 11.5 4-φ16 165 100
20 3/4 117 98 70 43 13 4-φ16 190 100
25 1 127 108 79.5 51 14.5 4-φ16 230 120
32 1 1/4 140 117 89 63.5 16 4-φ16 245 120
40 1 1/2 165 127 98.5 73 17.5 4-φ16 285 150
50 2 178 152 120.5 92 19.5 4-φ19 325 150
65 2 1/2 190 178 139.5 105 22.5 4-φ19 350 180
80 3 203 190 152.5 127 24 4-φ19 380 200
100 4 229 229 190.5 157 24 8-φ19 460 200
125 5 254 254 216 186 24 8-φ22 630 250
150 6 267 279 241.5 216 25.5 8-φ22 635 250
200 8 292 343 298.5 270 28 8-φ22 765 280
250 10 330 406 362 324 30.5 12-φ26 895 300
300 12 356 483 432 381 32 12-φ26 1080 350
350 14 381 533 476 413 35 12-φ29 1295 350
400 16 406 497 540 470 37 16-φ29 1435 400
450 18 432 635 578 533 40 16-φ32 1625 400
500 20 457 699 635 584 43 20-φ32 1830 450
600 24 508 813 749.5 692 48 20-φ35 2175 500
650 26 559 786 745 711 41.5 36-φ22 2235 550
700 28 610 837 795 762 44.5 40-φ22 2310 600
750 30 610 887 846 813 44.5 44-φ22 2695 600
800 32 660 941 900 864 46 48-φ22 3710 -
900 36 711 1057 1011 972 52.5 44-φ26 3925 -
1000 40 811 1175 1121 1080 56 44-φ29 4320 -
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