WZ Series Metal hmanga thut theihna OS&Y gate valve
Hrilhfiahna:
WZ Series Metal seated OS&Y gate valve hian ductile iron gate a hmang a, chutah chuan bronze ring dah a ni a, hei hian tui a luh theih nan a seal a ni. OS&Y (Outside Screw and Yoke) gate valve hi kangmei laka invenna sprinkler system-ah hman a ni ber. Standard NRS (Non Rising Stem) gate valve nena danglamna ber chu stem leh stem nut hi valve body pawnah dah a ni. Hei hian valve chu a inhawng nge khar tih hriat a awlsam phah a, a chhan chu a stem sei zawng zawng deuhthaw chu valve hawn laiin a lang a, chutih laiin stem chu valve khar a nih chuan a lang tawh lo. A tlangpuiin hei hi heng system chi hrang hrangah hian system dinhmun rang taka hmuh theiha control theihna tura thil tul tak a ni
Thil hman tur list:
| Parts hrang hrang | Bungrua |
| Taksa | Cast iron,Ductile thir hmanga siam |
| Disc hmanga siam a ni | Cast iron,Ductile thir hmanga siam |
| Kuang | SS416,SS420,SS431 te hi a ni |
| Seat ring a ni | Bronze/Brass hmanga siam a ni |
| Bonnet a ni | Cast iron,Ductile thir hmanga siam |
| Stem nut a ni | Bronze/Brass hmanga siam a ni |
Nihphung:
Wedge nut:Wedge nut hi copper alloy a siam a ni a, lubricating theihna a nei a, stainless steel stem nen a inmil ber a ni.
Wedge:Wedge hi ductile iron atanga siam niin copper alloy face rings a awm a, chu chu machnined to a fine surface finish a ni a, chu chuan body seat rings nen optimum contact seal a awm theih nan.Wedge face rings te hi dik takin machined niin wedge ah nghet takin an secured a ni.The guides in the wedge ensure uniform closure regardless of high pressures.The wedge has a large throught bore housing for the stem that ensures no stagnant tui emaw bawlhhlawh emaw a khawlkhawm thei.Wedge hi fusion bonded epoxy coating hmanga venhim kim a ni.
Pressure test a nih chuan:
| Pressure hming (nominal) a ni | PN10 ah a awm | PN16 ah a awm | |
| Test pressure a ni | Kawr | 1.5 Mp. a ni | 2.4 Mp |
| Sealing tih a ni | 1.1 Mp. a ni | 1.76 Mp. a ni | |
Dimension hrang hrang: 1.1.
| Lampang | DN(mm) a ni. | L | D | D1 | b | Z-Φd | H | D0 | A rih zawng (kg) . |
| RS | 40 | 165 a ni | 150 a ni | 110 a ni | 18 | 4-Φ19 a ni | 252 a ni | 135-ah a awm | 11/12 khan a ni |
| 50 | 178-ah a awm | 165 a ni | 125 a ni | 20 | 4-Φ19 a ni | 295 a ni | 180 a ni | 17/18 khan a ni | |
| 65 | 190 a ni | 185-ah a awm | 145-ah a awm | 20 | 4-Φ19 a ni | 330 a ni | 180 a ni | 21/22 a ni ang | |
| 80 | 203 a ni | 200 a ni | 160 a ni | 22 | 8-Φ19 a ni | 382 a ni | 200 a ni | 27/28 khan a ni | |
| 100 a ni | 229 a ni | 220 a ni | 180 a ni | 24 | 8-Φ19 a ni | 437 a ni | 200 a ni | 35/37 a ni | |
| 125 a ni | 254 a ni | 250 a ni | 210 a ni | 26 | 8-Φ19 a ni | 508 a ni | 240 a ni | 46/49 a ni | |
| 150 a ni | 267 a ni | 285 a ni | 240 a ni | 26 | 8-Φ23 a ni | 580 a ni | 240 a ni | 66/70 a ni | |
| 200 a ni | 292 a ni | 340 a ni | 295 a ni | 26/30 ah a ni | 8-Φ23/12-Φ23 inkar a ni | 760 a ni | 320 a ni | 103/108 hmanga tih a ni | |
| 250 a ni | 330 a ni | 395/405 hmanga tih a ni | 350/355 a ni | 28/32 khan a ni | 12-Φ23/12-Φ28 thleng a ni | 875 a ni | 320 a ni | 166/190 a ni | |
| 300 a ni | 356 a ni | 445/460 a ni | 400/410 a ni | 28/32 khan a ni | 12-Φ23/12-Φ28 thleng a ni | 1040 a ni | 400 a ni | 238/274 a ni | |
| 350 a ni | 381 a ni | 505/520 a ni | 460/470 a ni | 30/36 a ni | 16-Φ23/16-Φ28 thleng a ni | 1195-ah a awm | 400 a ni | 310/356 a ni | |
| 400 a ni | 406 a ni | 565/580 a ni | 515/525 hmanga tih a ni | 32/38 a ni | 16-Φ28/16-Φ31 thleng a ni | 1367 khan a lo piang a | 500 a ni | 440/506 a ni | |
| 450 a ni | 432 a ni | 615/640 a ni | 565/585 hmanga tih a ni | 32/40 a ni | 20-Φ28/20-Φ31 thleng a ni | 1460 khan a lo piang a | 500 a ni | 660/759 a ni | |
| 500 a ni | 457 a ni | 670/715 a ni | 620/650 a ni | 34/42 a ni | 20-Φ28/20-Φ34 thleng a ni | Kum 1710 khan a lo piang a | 500 a ni | 810/932 hmanga tih a ni | |
| 600 a ni | 508 a ni | 780/840 a ni | 725/770 hmanga tih a ni | 36/48 a ni | 20-Φ31/20-Φ37 inkar a ni | 2129 a ni | 500 a ni | 1100/1256 hmanga tih a ni |
A kaihhnawih thil siam
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