WZ Series Metal seated OS&Y gate valve
Pamaglarawan:
WZ Series Metal seated OS&Y gate valve gagamit yang ductile iron gate na ating bronze rings para siguraduan ing watertight seal. Ing OS&Y (Outside Screw and Yoke) gate valve keraklan gagamitan de keng fire protection sprinkler systems. Ing pekamaragul a pamiyaliwa keng standard NRS (Non Rising Stem) gate valve yapin ing ing stem ampo ing stem nut makabili la keng kilwal ning valve body. Iti ing paralan bang akit nung makabuklat ya o makasara ya ing balbula, uling halus ing mabilug a kaba ning stem mayayakit ya nung makabuklat ya ing balbula, kabang e ne mayayakit ing stem nung makasara ya ing balbula. Keraklan, kailangan ya ini kareng anti kareting sistema para makasiguradung mabilis ing pamagkontrol king katayuan ning sistema
listahan da reng materyales:
| Parts | Materyal |
| Katawan | Cast iron, Ductile iron |
| Disc | Cast iron, Ductile iron |
| Tangke | SS416,SS420,SS431 |
| Singsing ning luklukan | Bronze/Brass |
| Bonnet | Cast iron, Ductile iron |
| Stem nut | Bronze/Brass |
Tanda:
Wedge nut: Ing wedge nut gawa ya keng copper alloy na atin yang lubricating abilities na mamye optimum compatibility keng stainless steel stem.
Wedge: Ing wedge gawa ya keng ductile iron a maki copper alloy face rings na me-machine keng masanting a surface finish para makasiguradung masanting ing contact seal kareng body seat rings. Deng wedge face rings ustu lang me-machine ampo matatag lang maka-secure keng wedge. Deng guides keng wedge sisiguraduan da ing pare-pareung pamagsara agyang nanu pa ing matas a pressure. Ing wedge atin yang maragul a host para siguraduan na ing bostem para siguraduan ing bostem para makasiguradung makalub keng bostem. alang stagnant a danum o impuritiles a makakolekta. Ing wedge protektadu ya keng coating ning fusion bonded epoxy.
Pressure test:
| Nominal pressure | PN10 | PN16 | |
| Test pressure | Kabatiti | 1.5 Mpa | 2.4 Mpa |
| Pamagtatak | 1.1 Mpa | 1.76 Mpa | |
Sukat:
| Buri | DN(mm) | L | D | D1 | b | Z-Φd | H | D0 | Timbang (kg) |
| RS | 40 | 165 | 150 | 110 | 18 | 4-Φ19 | 252 | 135 | 11/12 |
| 50 | 178 | 165 | 125 | 20 | 4-Φ19 | 295 | 180 | 17/18 | |
| 65 | 190 | 185 | 145 | 20 | 4-Φ19 | 330 | 180 | 21/22 | |
| 80 | 203 | 200 | 160 | 22 | 8-Φ19 | 382 | 200 | 27/28 | |
| 100 | 229 | 220 | 180 | 24 | 8-Φ19 | 437 | 200 | 35/37 | |
| 125 | 254 | 250 | 210 | 26 | 8-Φ19 | 508 | 240 | 46/49 | |
| 150 | 267 | 285 | 240 | 26 | 8-Φ23 | 580 | 240 | 66/70 | |
| 200 | 292 | 340 | 295 | 26/30 | 8-Φ23/12-Φ23 | 760 | 320 | 103/108 | |
| 250 | 330 | 395/405 | 350/355 | 28/32 | 12-Φ23/12-Φ28 | 875 | 320 | 166/190 | |
| 300 | 356 | 445/460 | 400/410 | 28/32 | 12-Φ23/12-Φ28 | 1040 | 400 | 238/274 | |
| 350 | 381 | 505/520 | 460/470 | 30/36 | 16-Φ23/16-Φ28 | 1195 | 400 | 310/356 | |
| 400 | 406 | 565/580 | 515/525 | 32/38 | 16-Φ28/16-Φ31 | 1367 | 500 | 440/506 | |
| 450 | 432 | 615/640 | 565/585 | 32/40 | 20-Φ28/20-Φ31 | 1460 | 500 | 660/759 | |
| 500 | 457 | 670/715 | 620/650 | 34/42 | 20-Φ28/20-Φ34 | 1710 | 500 | 810/932 | |
| 600 | 508 | 780/840 | 725/770 | 36/48 | 20-Φ31/20-Φ37 | 2129 | 500 | 1100/1256 |
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