产品特点
1.本产品所有部件均为锻件
2.采用下装式阀杆,设置倒密封结构,确保填料处可靠密封及防止阀杆脱出。
3.采用镶嵌式阀座。阀座背后设置O型圈,确保介质不外漏。
Features
1.All the components are forged ones.
2.Lower-loading Stem and backward sealing construction have been setup for positive sealing at stuffing position and backing-out protecting of the handle.
3.Interbedded valve seat is applied on whose bace RO-ring is also mounted for avoiding the leakage of medium.
主要零件材质表 Main Parts and Materials
零件名称 Accessory name |
材 质 Material |
GB |
ASTM |
阀体、阀盖 Body,bonnet |
WCB |
A216-WCB |
密封圈 Sealing Ring |
尼龙 Nylon |
尼龙 Nylon |
球体 Ball |
1Cr18Ni9Ti |
SS 304 |
阀座、阀杆 Seat、Stem |
2Cr12 |
A246-416 |
O形圈O ring |
橡胶 RUBBER |
橡胶 RUBBER |
双头螺柱 Dual-head double-screw bolt |
35CrMoA |
A193-B7 |
主要性能规范 Main Performance Specification
公称压力 PN(MPa) Nominal diameter |
试验压力 Test pressure(mpa) |
壳体 Shell |
高压液密封 High-pressure liquid sealing |
低压气密封 Low-pressure hermetic sealing |
16.0 |
24 |
17.6 |
0.6 |
32.0 |
48 |
35.2 |
适用温度 Applicable temperature |
-40~80℃ |
适用介质 Applicable medium |
水、油品、氮气、氨气、氢气液化气等 Water, oil products, nitrogen, ammonia, hydrogen, and liquefied gas, etc. |
公称压力 PN(MPa) |
公称通径 DN(mm) |
主 要 尺 寸 (mm) |
L |
L1 |
D |
D1 |
H |
W |
M |
D2 |
b |
Z- Φ d |
法兰 |
对焊 |
法兰 |
对焊 |
法兰 |
对焊 |
法兰 |
对焊 |
法兰 |
对焊 |
法兰 |
160 |
10 |
210 |
150 |
52 |
60 |
95 |
90 |
60 |
18 |
77 |
58 |
220 |
M24×2 |
18 |
20 |
3-Φ18 |
15 |
230 |
170 |
62 |
70 |
95 |
100 |
60 |
23 |
85 |
62 |
220 |
M24×2 |
20 |
20 |
3-Φ18 |
20 |
240 |
190 |
73 |
80 |
105 |
110 |
68 |
29 |
94 |
75 |
250 |
M33×2 |
28 |
20 |
3-Φ18 |
25 |
260 |
205 |
77 |
95 |
105 |
115 |
68 |
36 |
100 |
80 |
250 |
M33×2 |
28 |
22 |
3-Φ18 |
32 |
300 |
230 |
100 |
110 |
115 |
150 |
80 |
43 |
120 |
96 |
300 |
M42×2 |
38 |
24 |
4-Φ18 |
40 |
|
260 |
110 |
120 |
165 |
170 |
115 |
49 |
150 |
111 |
400 |
M52×2 |
48 |
30 |
6-Φ26 |
50 |
400 |
330 |
130 |
140 |
165 |
200 |
115 |
61 |
165 |
128 |
450 |
M64×3 |
58 |
32 |
6-Φ26 |
65 |
490 |
360 |
140 |
150 |
200 |
225 |
145 |
80 |
180 |
180 |
500 |
M80×3 |
74 |
40 |
6-Φ29 |
80 |
580 |
380 |
150 |
160 |
225 |
270 |
170 |
105 |
200 |
200 |
600 |
M24×2 |
94 |
50 |
6-Φ33 |
100 |
620 |
430 |
178 |
188 |
260 |
320 |
190 |
118 |
245 |
245 |
800 |
M125×4 |
115 |
60 |
6-Φ36 |
320 |
10 |
210 |
150 |
52 |
60 |
95 |
90 |
60 |
18 |
77 |
58 |
220 |
M24×2 |
18 |
20 |
3-Φ18 |
15 |
230 |
170 |
62 |
70 |
105 |
100 |
68 |
23 |
85 |
62 |
220 |
M33×2 |
28 |
20 |
3-Φ18 |
20 |
240 |
190 |
73 |
80 |
105 |
110 |
68 |
29 |
94 |
75 |
250 |
M33×2 |
28 |
20 |
3-Φ18 |
25 |
260 |
205 |
77 |
95 |
115 |
115 |
80 |
36 |
100 |
80 |
250 |
M42×2 |
35 |
25 |
4-Φ18 |
32 |
300 |
230 |
100 |
110 |
135 |
150 |
95 |
43 |
120 |
96 |
300 |
M52×2 |
41 |
30 |
4-Φ22 |
40 |
350 |
260 |
110 |
120 |
165 |
170 |
115 |
49 |
150 |
111 |
400 |
M64×3 |
47 |
35 |
6-Φ26 |
50 |
400 |
330 |
130 |
140 |
200 |
200 |
145 |
61 |
165 |
128 |
450 |
M80×3 |
70 |
40 |
6-Φ29 |
65 |
490 |
360 |
140 |
150 |
225 |
225 |
170 |
80 |
180 |
180 |
500 |
M100×3 |
90 |
50 |
6-Φ33 |
80 |
580 |
380 |
150 |
160 |
260 |
270 |
195 |
105 |
200 |
200 |
600 |
M125×4 |
112 |
55 |
6-Φ36 |
100 |
620 |
430 |
178 |
188 |
300 |
320 |
235 |
118 |
245 |
245 |
800 |
M155×4 |
135 |
65 |
8-Φ36 |