閘閥又稱閘板閥或閘門閥,應(yīng)用最廣泛的一種閥門。它是通過閘板的升降來控制閥門的啟閉,閘板垂直于流體方向,改變閘板與閥座間相對(duì)位置即可改變通道大小。
閘閥具有以下優(yōu)點(diǎn):
1、流體阻力小 , 密封面受介質(zhì)的忡刷和侵蝕小。
2、開閉較省力。
3、介質(zhì)流向不受限制 , 不擾流、不降低壓力。
4、形體簡單 , 結(jié)構(gòu)長度短,制造工藝性好,適用范圍廣。
性能范圍Specifications
型號(hào) Type |
公稱壓力Nominal Presure |
試驗(yàn)壓力Test Pressure |
工作溫度(℃)Working Temperature |
適用介質(zhì)SuitableMedium | ||
強(qiáng)度(水)(Mpa) |
密封(水)空氣(Mpa) |
低壓密封空氣(Mpa) | ||||
Z41H-16C Z41W-16P(R) |
1.6 |
2.4 |
1.8 |
0.6 |
≤200 |
NITRIC ACID |
硝酸類 | ||||||
Z41W-25P(R) |
2.5 |
3.8 |
2.8 |
0.6 |
≤200 |
ACETIC ACID |
醋酸類 | ||||||
Z41W-40P(R) |
4.0 |
6.0 |
4.4 |
0.6 |
≤200 |
NITRIC ACID |
硝酸類 | ||||||
Z41W-64P(R) |
6.4 |
9.6 |
7.0 |
0.6 |
≤200 |
ACETIC ACID |
醋酸類 |
零件名稱 Part name |
材料 Material | ||
Z24Y-16I -25I -40I |
Z24W-16P -25P -40P |
Q41W-16R -25P -40R | |
閥體、閥蓋 Body donnet |
鉻鎳鋼Ci Ni steel |
鉻鎳鈦鋼 Ci Ni Ti |
鉻鎳鋁鈦鋼 Ci Ni Mo Ti steel |
閥板Wedge gate |
合金鋼+硬質(zhì)合金 Alloy steel+corbiddealloy | ||
閥桿Stem |
合金鋼Alloy steel | ||
閥桿螺母Stem nut |
鋁鐵青銅 Al bronze | ||
手輪Hand wheel |
灰鑄鐵、可鍛鑄鐵 Csatiom forageable casriron |
型號(hào) Type |
公稱通徑DN NominalDiameter |
尺寸(mm) Dimensions | |||||||
L |
D |
D1 |
D2 |
H |
b-f |
Z-φd |
D0 | ||
Z41W-40P(R) |
15 |
130 |
95 |
65 |
45 |
170 |
16-2 |
4-14 |
40 |
20 |
150 |
105 |
75 |
55 |
190 |
16-2 |
4-14 |
51 | |
25 |
160 |
115 |
85 |
65 |
205 |
16-2 |
4-14 |
58 | |
32 |
180 |
135 |
100 |
78 |
270 |
18-2 |
4-18 |
66 | |
40 |
200 |
145 |
110 |
85 |
310 |
18-3 |
4-18 |
76 | |
50 |
230 |
160 |
125 |
100 |
371 |
20-3 |
4-18 |
88 | |
65 |
290 |
180 |
145 |
120 |
391 |
22-3 |
8-18 |
110 | |
80 |
310 |
195 |
160 |
135 |
455 |
22-3 |
8-18 |
121 | |
100 |
350 |
230 |
190 |
160 |
551 |
24-3 |
8-23 |
150 | |
125 |
400 |
270 |
220 |
188 |
628 |
28-3 |
8-25 |
178 | |
150 |
450 |
300 |
250 |
218 |
708 |
30-3 |
8-25 |
204 | |
200 |
550 |
375 |
320 |
282 |
885 |
38-3 |
12-25 |
260 | |
250 |
650 |
445 |
385 |
345 |
960 |
42-3 |
12-30 |
313 | |
Z41W-64P(R) |
15 |
170 |
105 |
75 |
55 |
140 |
18-2 |
4-14 |
41 |
20 |
190 |
125 |
90 |
68 |
195 |
20-2 |
4-18 |
51 | |
25 |
210 |
135 |
100 |
78 |
210 |
22-2 |
4-18 |
58 | |
32 |
230 |
150 |
110 |
82 |
280 |
24-2 |
4-23 |
66 | |
40 |
240 |
165 |
125 |
95 |
328 |
24-3 |
4-23 |
76 | |
50 |
250 |
175 |
135 |
105 |
390 |
26-3 |
4-23 |
88 | |
65 |
280 |
200 |
160 |
130 |
410 |
28-3 |
8-23 |
110 | |
80 |
310 |
210 |
170 |
140 |
485 |
30-3 |
8-23 |
121 | |
100 |
350 |
250 |
200 |
168 |
590 |
32-3 |
8-25 |
150 | |
125 |
400 |
295 |
240 |
202 |
688 |
36-3 |
8-30 |
176 | |
150 |
450 |
340 |
280 |
240 |
768 |
38-3 |
8-34 |
204 | |
200 |
550 |
405 |
345 |
300 |
973 |
44-3 |
12-34 |
260 | |
250 |
650 |
470 |
400 |
352 |
1050 |
48-3 |
12-41 |
313 |