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Z960 High Temperature and High Pressure Power Station Gate Valve
Z960 High Temperature and High Pressure Power Station Gate Valve
Z960 High Temperature and High Pressure Power Station Gate Valve
Z960 High Temperature and High Pressure Power Station Gate Valve

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Product details

product name： High Temperature Pressure Power Station Gate Valves PRODUCT MODEL： Z960
Drive mode： electric Connection form： welding
structural style： Single board, double board, parallel double board Sealing material： Stellite cobalt based hard alloy overlay welding
Pressure Range： 14.0～32.0MPa Nominal Diameter： DN50-DN350
Common materials： Carbon steel, stainless steel technical advice：



1、 Introduction to Z960 High Temperature and High Pressure Power Station Gate Valve


2、 Z960 High Temperature and High Pressure Power Station Gate Valve Execution Standard

1. The manufacturing and acceptance technical conditions shall comply with the provisions of Japanese standard E101 and JB/T3595-93 for valves used in thermal power generation.
2. The structural length shall be in accordance with E101 or according to the dimensions provided by the user.
3. The welding groove shall be in accordance with the provisions of the power industry management standard 78DG or the size provided by the user.

3、 Advantages and Characteristics of Z960 High Temperature and High Pressure Power Station Gate Valve Structure

1High Temperature Pressure Power Station Gate ValvesBy adopting an advanced channel with equal diameter straight through structure, the flow resistance coefficient and energy loss are greatly reduced, significantly improving the service life and performance of the valve.
2. The valve chamber adopts a pressure self tightening sealing structure with good sealing performance. The two ends of the branch pipe are welded structures.
3. The sealing surface of the valve plate and valve seat is made of Stellite cobalt based hard alloy welding, which has good wear resistance, high temperature resistance, corrosion resistance, and abrasion resistance.
4. The valve stem has undergone tempering and surface nitriding treatment, and has good corrosion resistance and abrasion resistance.
5. The structure of the opening and closing components can be designed in different forms such as single board, double board, parallel double board, etc. according to user requirements.

4、 Performance Specification for Z960 High Temperature and High Pressure Power Station Gate Valve

model Nominal pressure
PN（MPa） 		Test pressure (MPa) Work pressure (MPa) Working temperature (℃) Applicable Medium
strength test Sealing test/upper sealing test
Z960 2Y-250 25 37.5 27.5 25 ≤425 Water, steam
Z960Y-320 32 48.0 36.0 32 ≤425
Z960Y-P54100 P5410 30.0 22.0 ≤540 steam
Z96Y-P55140 P5514 37.5 27.5 ≤550
Z960Y-P54170 P5517 48.0 36.0 ≤540
Z960Y-P57170 P5717 61.8 41.2 ≤570

5、 Z960 High Temperature and High Pressure Power Station Gate Valve Main Component Materials

Part name Material grade
valve body WCB WC6、ZG20crmov WC9\\ZG15crlmolv
Ram WCB WC6、ZG20crmov WC9\\ZG15crlmolv
valve cover 25 12Cr1Mo1VA
valve stem 1Cr17Ni12 20Cr1Mo1VA
valve seat 25 12Cr1Mo1VA
Sealing ring S soft steel (reinforced flexible graphite) S soft steel (reinforced flexible graphite) S soft steel (reinforced flexible graphite)
filler Enhanced flexible graphite
bracket WCB WCB or WC6
stem nut 45（ZCuZn25A16Fe3Mn3）
pendant collet 1Cr13 20Cr1Mo1VA
Pneumatic, hydraulic, and gear transmission can be provided according to user requirementsPneumatic knife type gate valveProduct.

6、 Introduction to the main dimensions and weight of gate valves for high temperature and high pressure power plants

Nominal diameter DN (mm) Main appearance and connection dimensions (mm) motor unit
d L H Ho L1 L2
Z960 2Y-200
50 50 250 720 408 371 219 DZW20
65 67 400 895 620 371 219 DZW30
80 80 470 950 635 371 219 DZW30
100 101 550 1000 650 515 219 DZW45
125 138 600 1090 720 515 295 DZW60
150 164 600 1260 728 540 295 DZW90
175 187 750 1330 885 540 290 DZW90
200 204 800 1450 1002 540 290 DZW90
225 243 850 1590 1138 540 290 DZW120
250 275 900 1710 1116 565 290 DZW180
275 298 1047 1988 1390 565 305 DZW250
300 321 1194 2265 1665 565 305 DZW250
325 340 1245 2414 1800 770 400 DZW350
350 357 1250 2536 1936 770 400 DZW500
375 386 1317 2665 2066 770 400 DZW500
400 416 1384 3195 2100 794 266 DZW800
425 434 1400 3085 2190 794 266 DZW800
450 460 1346 3370 2280 794 266 DZW1000
500 517 1473 3580 2485 794 266 DZW1000
Z960 2Y-250
50 50 250 720 408 371 219 DZW20
65 67 400 895 620 371 219 DZW30
80 80 470 950 635 515 295 DZW45
100 101 550 1000 650 515 295 DZW60
125 136 600 1090 720 540 290 DZW90
150 158 600 1260 728 540 290 DZW90
175 179 750 1330 885 540 290 DZW120
200 196 800 1450 1002 540 290 DZW120
225 221 850 1590 1138 565 305 DZW180
250 265 900 1710 1116 565 305 DZW250
275 284 1047 1988 1390 565 305 DZW250
300 307 1194 2265 1662 770 400 DZW350
325 328 1245 2415 1800 770 400 DZW500
350 346 1250 2536 1936 794 266 DZW800
Note: 1. The size of the welding joint "d" can be manufactured according to user requirements.

High Temperature Pressure Power Station Gate Valves
Main dimensions and weight
Nominal diameter DN (mm) Main appearance and connection dimensions (mm) motor unit
d L H Ho L1 L2
375 369 1300 3181 2086 794 266 DZW800
Z960 2Y-320
100 101 550 100 650 515 295 DZW60
125 124 600 1090 720 540 290 DZW90
150 146 600 1260 728 540 290 DZW90
175 169 750 1330 885 540 290 DZW120
200 203 800 1450 1002 540 290 DZW120
225 201 850 1590 1138 565 305 DZW180
250 255 900 1710 1116 565 305 DZW250
275 280 1047 1988 1390 565 305 DZW250
300 306 1194 2265 1665 770 400 DZW350
325 330 1245 2415 1800 770 400 DZW500
Z960 2Y-P54100
50 50 250 720 408 371 219 DZW20
65 67 400 895 62 371 219 DZW30
80 80 470 950 635 371 295 DZW35
100 101 550 1000 650 515 295 DZW45
125 138 600 1090 720 515 295 DZW60
150 164 600 1260 728 540 290 DZW90
175 187 750 1330 885 540 290 DZW90
200 204 800 1450 1002 540 290 DZW90
225 232 850 1590 1128 540 290 DZW120
250 277 900 1710 1116 565 305 DZW180
275 298 1047 1988 1390 565 305 DZW180
300 321 1194 2265 1665 565 305 DZW250
325 340 1245 2414 1800 770 400 DZW350
350 357 1250 2536 1936 770 400 DZW500
375 386 1317 2665 2066 770 400 DZW500
400 416 1384 3195 2100 794 266 DZW800
425 434 1400 3285 2190 794 266 DZW800
450 460 1346 3370 2280 794 266 DZW1000
500 512 1473 3580 2485 794 266 DZW1000
Z960 2Y-P54170
50 50 250 720 408 371 219 DZW20
65 57 400 895 620 371 219 DZW30
80 80 470 950 635 515 295 DZW45
100 101 550 1000 650 515 295 DZW60
125 124 600 1090 720 540 290 DZW90
150 146 600 1260 728 540 290 DZW90
175 169 750 1330 885 540 290 DZW120

High Temperature Pressure Power Station Gate Valves
Main dimensions and weight
Nominal Diameter
DN（mm） 		Main external connection dimensions motor unit
d L H Ho L1 L2
200 203 800 1450 1002 540 290 DZW120
225 207 850 1590 1138 565 305 DZW180
250 255 900 1710 1116 565 305 DZW250
275 280 1047 1988 1390 565 305 DZW250
300 306 1194 2265 1665 770 400 DZW350
325 330 1245 2415 1800 770 400 DZW500
350 353 1250 2536 1936 794 266 DZW800
375 378 1317 2665 2066 794 266 DZW800
Z960 2Y-P55140V
50 50 250 720 408 371 219 DZW20
65 67 400 895 620 371 219 DZW30
80 80 470 950 635 515 295 DZW45
100 101 550 1000 650 515 295 DZW60
125 136 600 1090 720 540 290 DZW90
150 158 600 1260 728 540 290 DZW90
175 179 752 1330 885 540 290 DZW120
200 196 800 1450 1002 540 290 DZW120
225 221 850 1590 1138 565 305 DZW180
250 265 900 1710 1116 565 305 DZW250
275 284 1047 1988 1390 565 305 DZW250
300 307 1194 2265 1665 770 400 DZW350
325 328 1245 2415 1800 770 400 DZW500
350 346 1250 2535 1936 794 266 DZW800
375 369 1317 2665 2066 794 266 DZW800
Z960 2Y-P55170
50 50 250 720 408 371 219 DZW20
65 67 400 895 620 371 219 DZW30
80 80 470 950 635 515 295 DZW45
100 101 550 1000 650 515 295 DZW60
125 124 600 1090 720 540 290 DZW90
150 146 600 1260 728 540 290 DZW90
175 169 750 1330 885 540 290 DZW120
200 190 800 1450 1002 540 305 DZW120
225 201 850 1590 1138 565 305 DZW180
250 255 900 1710 1116 565 305 DZW250
275 258 1041 1988 1390 565 305 DZW250
300 306 1194 2265 1665 770 400 DZW350
325 310 1245 2415 1800 770 400 DZW500
350 353 1250 2536 1936 794 266 DZW800
375 356 1317 2665 2066 794 266 DZW800
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