鍛鋼閘閥的結(jié)構(gòu)設(shè)計(jì)與規(guī)范：
鍛鋼閘閥制造按API 602,BS5352,ANSI B16.34.
試驗(yàn)與驗(yàn)收按API 598,標(biāo)識(shí)按照MSS SP-25.
結(jié)構(gòu)型式如下：
1.全通徑或縮徑；
2.明桿帶支架；
3.兩端自動(dòng)調(diào)心的填料壓套；
4.用纏繞式墊片的螺栓型閥蓋、螺紋密封焊接型閥蓋，或自密封閥蓋
5.本體倒密封；
6.承插焊接ANSI/ASME B16.11;
7.螺紋端(NPT端)按ANSI/ASME B1.20.1。
材料表：
序號(hào)
NO. |
名 稱 |
美標(biāo)碳鋼
CS to ASTM |
美標(biāo)合金鋼
AS to ASTM |
美標(biāo)不銹鋼鋼
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 |
Wedge |
A276 430&410 |
A182 F304 |
A182 F304(L) |
A182 F316(L) |
| 4 |
閥桿 |
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(jié)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 |
閥桿螺母 |
Stem Nut |
A276 420/Cu-Alloy(銅合金) |
| 14 |
手輪鎖緊螺母 |
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 |
Bearing Gasket |
A473 431 |
| 18 |
填料 |
Stem Packing |
Flexible Graphite |
PTFE |
| 適用介質(zhì) Suitable Medium |
(水、油、氣等)W.O.G.etc |
(酸類)HNO3,CH3OOH etc |
| 適用溫度 Suitable Temperature |
-29℃～425℃ |
-29℃～550℃ |
-29℃～180℃ |
注：可按要求采用其他材料 Note:Other materials are available upon request.
CS=碳鋼 AS=合金鋼 SS=不銹鋼 CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
尺寸和重量表 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 |
