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| 蝶形止回阀 |
产品简介Introduction
对夹式蝶形止回阀采用国外先进结构设计，符合有关国际标准系属节能型产品。此产品止回性能好、安全、可靠、流阻小，主要适用于石油、
化工、食品、医药、轻纺、造纸、给排水、冶炼及能源等系统。作为单向阀使用。
Wafer type butterfly check valve adopts an advanced foreign structure design and is an energy-saving product conforming to the world standard It is good at the check performance，safe，reliable，small in the flowing resistance and mainly suitable for pet roleum，chemical，food
pharmacy，light&textile，paper-making，water supply and drainage，refinery and energy etc systems，used as an one-way valve.
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主要零部件材质Main parts materia
| 阀体Body |
阀板 Valve plate |
转轴Shaft |
橡胶座Rubber Block |
弹簧Spring
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| 材料名称Material name |
代号code |
材料名称Material name |
代号code |
材料名称Material name |
材料名称Material name |
代号code)
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适用温度(℃) |
材料名称Material name |
| 灰铸铁Cast iron |
Z |
电镀球黑铸铁Black cast iron ball Plating |
1 |
不锈钢Stainless Steel |
乙丙橡胶EPDM |
X3 |
-46-121短时-50-+150 |
不锈钢Stainless Steel |
球墨铸铁Ductile iron
|
Q |
铝青铜Aluminum Bronze |
2 |
氯丁橡胶Neoprene |
X4 |
-29-99短时-35-+113 |
| 碳钢Carbon Steel |
C |
GZlCrl8Ni9Ti不锈钢stainless Steel |
3 |
丁腈橡胶NBR |
X5 |
-23-82短时-23-+93 |
| 不锈钢Stainless Steel |
P |
CF8M不锈钢Stainless Steel |
5 |
氟橡胶Viton |
X7 |
-23-+150 |
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CF8M不锈钢Stainless Steel |
7 |
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性能规范Performance Specifications
| 公称通径DN |
50(2")-700(28") |
50(2")-450(18") |
mm(inch) |
| 公称压力PN |
1.0 |
1.6 |
MPa |
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试验压力Test pressure |
壳体 Case |
1.5 |
2.4 |
MPa |
| 密封Seal |
1.1 |
1.76 |
MPa |
适用温度(℃)Suitable temperature
|
-15℃-150℃ |
| 适用介质 Suitablemedia |
淡水、污水、空气、蒸气、食品、药品、各种油类、酸类Water,sewage,air,steam,food,medicines,oils,acids | |
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| 外形尺寸及重量Size and weight dimensions |
| 规格description |
尺寸Dimension(mm) |
重量weight(kg) |
| mm |
inch |
D |
D1 |
D2 |
L |
R |
t |
| 50 |
2" |
107 |
65 |
43.3 |
43 |
28.8 |
19 |
1.5 |
| 65 |
2.5" |
127 |
80 |
60.2 |
46 |
36.1 |
20 |
2.4 |
| 80 |
3" |
142 |
94 |
66.4 |
64 |
43.4 |
28 |
3.6 |
| 100 |
4" |
162 |
117 |
90.8 |
64 |
52.8 |
27 |
5.7 |
| 125 |
5" |
192 |
145 |
116.9 |
70 |
65.7 |
30 |
7.3 |
| 150 |
6" |
218 |
170 |
114.6 |
76 |
78.6 |
31 |
9.0 |
| 200 |
8" |
273 |
224 |
198.2 |
89 |
104.4 |
33 |
17 |
| 250 |
10" |
328 |
265 |
233.7 |
114 |
127 |
50 |
26 |
| 300 |
12" |
378 |
310 |
283.9 |
11 |
148.3 |
43 |
42 |
| 350 |
14" |
438 |
360 |
332.9 |
127 |
172.4 |
45 |
55 |
| 400 |
16" |
489 |
410 |
381.0 |
140 |
197.4 |
52 |
75 |
| 450 |
18" |
539/555 |
450 |
419.9 |
152 |
217.8 |
58 |
101/107 |
| 500 |
20" |
594 |
505 |
467.8 |
152 |
241 |
58 |
111 |
| 600 |
24" |
690 |
624 |
572.6 |
178 |
295.4 |
73 |
172 |
| 700 |
28" |
800 |
720 |
680 |
229 |
354 |
98 |
219 | |
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