詳細介紹
Z61Y鍛鋼閘閥有三種閥蓋設計,第一種是螺栓型閥蓋,通過(guò)凹凸麵連(lián)接,采用(yòng)不鏽鋼帶與柔性石墨(mò)纏繞墊片(piàn),按需求也可采用環連接,第二種是焊接型閥蓋,通過螺紋密封(fēng)後焊接,按需求(qiú)也可直接采用剛性焊接,第三種是自(zì)密封閥蓋(gài),通過螺紋(wén)與自密封閥蓋連接。
閘閥的結構設計與規範:
- 鍛鋼閘閥製(zhì)造按API 602,BS5352,ANSI B16.34.
- 試驗與驗收按API 598,標(biāo)識按照MSS SP-25.
結構型(xíng)式(shì)如(rú)下:
- 全通徑或縮徑(jìng);
- 明杆帶支架;
- 兩端自動調心的填料(liào)壓套;
- 用纏繞式墊片的螺(luó)栓型(xíng)閥蓋、螺紋密封焊接型閥蓋,或(huò)自(zì)密封閥蓋
- 本體倒密(mì)封;
- 承插(chā)焊接ANSI/ASME B16.11;
- 螺紋端(NPT端)按ANSI/ASME B1.20.1。
材料表:
序(xù)號 NO. |
名 稱 | 美標(biāo)碳鋼 CS to ASTM |
美標合金鋼 AS to ASTM |
美標不鏽鋼鋼 SS to ASTM |
||
Part Name | Type A 105 | Type F22 | Type F304(L) | Type F316(L) | ||
1 | 閥體 | Body | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
2 | 閥座 | Seat Ring | A276 420 | A276 304 | A276 F304(L) | A276 F316(L) |
3 | 閘板(bǎn) | Wedge | A276 430&410 | A182 F304 | A182 F304(L) | A182 F316(L) |
4 | 閥杆 | Stem | A182 F6 | A182 F304 | A182 F304(L) | A182 F316(L) |
5 | 墊片 | Gasket | Corrugated SS+graphite | SS+PTFE | ||
6 | 閥蓋 | Bonnet | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
7 | 螺栓 | Bonnet Bolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
8 | 銷 | Pin | A276 420 | A276 F304 | ||
9 | 填料壓套 | Gland | A276 410 | A182 F304(L) | A182 F316(L) | |
10 | 活節螺絲 | Gland Eyebolt | A193 B7 | A193 B16 | A193 B8 | A193 B8M |
11 | 填料壓蓋 | Gland Flange | A105 | A182 F11 | A182 F304(L) | A182 F316(L) |
12 | 螺母 | Gland Nut | A194 2H | A 194 4 | A194 8 | A194 8M |
13 | 閥杆螺母 | Stem Nut | A276 420/Cu-Alloy(銅合金) | |||
14 | 手輪鎖緊(jǐn)螺母 | H.W.Lock Nut | A 194 2H | A194 4 | A 194 8 | A194 8M |
15 | 銘牌 | Nameplate | SS | |||
16 | 手輪 | Handwheel | A197 | |||
17 | 襯墊(diàn) | Bearing Gasket | A473 431 | |||
18 | 填料 | Stem Packing | Flexible Graphite | PTFE | ||
適用介質 Suitable Medium | (水(shuǐ)、油、氣等)W.O.G.etc | (酸類)HNO3,CH3OOH etc | ||||
適用(yòng)溫度 Suitable Temperature | -29℃~425℃ | -29℃~550℃ | -29℃~180℃ |
注:可按要求采用其(qí)他(tā)材料 Note:Other materials are available upon request.
CS=碳鋼 AS=合金鋼 SS=不(bú)鏽鋼 CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
尺寸和重(chóng)量表 Dimensions(mm)and Weights(Kg)
通徑 | 縮徑RB | 3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 |
|
|
NPS | 全徑FB |
|
3/8 | 1/2 | 3/4 | 1 | 1 1/4 | 1 1/2 | 2 | |
L | 150~800Lb | 79 | 79 | 92 | 111 | 120 | 120 | 140 | 178 | |
900Lb | 79 | 92 | 111 | 120 | 120 | 140 | 178 | 210 | ||
1500Lb | 111 | 111 | 111 | 114 | 120 | 140 | 162 | 210 | ||
H(OPEN) | 150~800Lb | 158 | 158 | 169 | 197 | 236 | 246 | 283 | 330 | |
900~1500Lb | 169 | 197 | 197 | 236 | 246 | 283 | 330 | 354 | ||
W | 150~800Lb | 100 | 100 | 100 | 125 | 160 | 160 | 180 | 200 | |
900~1500Lb | 100 | 125 | 125 | 160 | 160 | 180 | 200 | 240 | ||
Weights | Bolted | 150~800Lb | 2.1 | 2.0 | 2.3 | 4.3 | 5.9 | 6.9 | 11.1 | 15.2 |
900~1500Lb | 2.5 | 4.3 | 4.2 | 6.6 | 8.8 | 12.5 | 17.2 | 23.5 | ||
Welded | 150~800Lb | 1.8 | 1.7 | 2.0 | 3.8 | 5.1 | 6.1 | 10.2 | 14.2 | |
900~1500Lb | 2.4 | 4.2 | 4.0 | 6.3 | 8.7 | 12.1 | 17.2 | 22 |