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High temperature, corrosion Z960Y Electric welding gate electric power station valve
1, the design and manufacture of such standards by JB/T3595 may be
supporting the use of domestic equipment
2, the valve in the cavity by pressure from the tight seal
structure, good sealing performance, branch pipe ends for welding
structure.
3, the gate and the valve seat sealing surface of Stellite
(stellite) cobalt-based alloy cladding made of wear-resistant, high
temperature, corrosion, anti-abrasion performance.
4, stem quenched and the nitrogen treatment, with good resistance
to corrosion and scratch resistance.
5, the opening and closing parts of the structure can be designed
according to user board, two boards, and other forms of parallel
double plate.
Keywords: GB gate valve, electric valve, flange valve, power
station valve, pneumatic valve, high temperature valve
● The manufalture and aueptanle specigication shan be based on the
japanese standard E101 applied for the thermal powerand JB/T3595-93
● The length shall bein line with E101 or by user’s speeification.
● Welding groove shan be in auordanle with power industrh
spe-cification 78DG or hg user’ specification ● The size in inclose
is old production’s size
Property and specifiecation
Product type | (MPa)Test pressure | (MPa) | (℃) | Appicable medium | ||
Sheel test | Seal test | |||||
Z960Y-250 | 25 | 37.5 | 27.5 | - | ≤425 | Water, steam |
Z960Y-320 | 32 | 48.0 | 36.0 | - | ≤425 | |
Z960Y-P54100 | - | 30.0 | 22.0 | P5410 | ≤54 | Steam |
Z960Y-P54170 | - | 48.0 | 36.0 | P5417 | ≤540 | |
Matecrial for main parts | ||||||
Part name | Material designation | |||||
Body | WCB | WC6 | WC9 | |||
Disc | WCB | WC6 | WC9 | |||
Bonnet | 25 | 12Cr1Mo1VA | ||||
Stem | 1Cr17Ni2 | 20Cr1Mo1VA | ||||
Seat | 25 | 12Cr1Mo1VA | ||||
Sealing ring | S soft steel (flexible graphite) | S soft steel | F Soft steel | |||
Packing | Fexible graphite | |||||
Yoke | WCB | WCB or WC6 | ||||
Stem nut | 45(ZCuZn25A16Fe3Mn3) | |||||
Four piece ring | 1Cr13 | 20Cr1MoVA |
DNNominal diameter | (mm)Main external and connecting dimensions | Electric dewice | (kg)Weight | ||||
d | L | H | L1 | L2 | |||
Z960Y-250 | |||||||
100 | 84 | 406 | 1164 | 437 | 277 | DZW45 | 234 |
125 | 100 | 483 | 1402 | 437 | 277 | DZW60 | 343 |
175 | 158 | 711 | 1650 | 554 | 309 | DZW180 | 638 |
225 | 200 | 864 | 1650 | 554 | 309 | DZW180 | 654 |
300 | 280 | 1067 | 2106 | 764 | 398 | DZW350 | 1973 |
Z960Y-320 | |||||||
100 | 96 | 533 | 1236 | 437 | 277 | DZW60 | 291 |
125 | 118 | 610 | 1302 | 437 | 277 | DZW60 | 315 |
150 | 148 | 762 | 1403 | 526 | 283 | DZW90 | 672 |
175 | 148 | 762 | 1650 | 554 | 309 | DZW180 | 684 |
225 | 222 | 1041 | 1650 | 554 | 309 | DZW180 | 696 |
Z960Y-P54100V | |||||||
175 | 148 | 762 | 1650 | 554 | 309 | DZW180 | 683 |
225 | 222 | 1041 | 1650 | 554 | 309 | DZW180 | 704 |
250 | 222 | 1041 | 1795 | 554 | 309 | DZW180 | 1214 |
300 | 294 | 1245 | 2080 | 554 | 309 | DZW250 | 2125 |
Z960Y-P54170V | |||||||
125 | 98 | 630 | 1230 | 437 | 277 | DZW60 | 312 |
225 | 186 | 1060 | 1680 | 554 | 309 | DZW180 | 1401 |
300 | 278 | 1397 | 2265 | 764 | DZW500 | 2834 | |
325 | 310 | 1448 | 2265 | 690 | 398 | DZW500 | 2632 |
350 | 338 | 1550 | 2536 | 715 | DZWC-4 |