主要零部件 |
材質(zhì) |
適用規(guī)格 |
主要零部件 |
材質(zhì) |
適用規(guī)格 |
閥體 |
球墨鑄鐵 灰鑄鐵 鑄鋼 不銹鋼 |
50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm |
閥桿 |
不銹鋼416 不銹鋼316 不銹鋼304 碳鋼鍍鎳磷 |
50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm |
閥板 |
不銹鋼CF8 不銹鋼CF8M 球墨鑄鐵鍍鎳磷 球墨鑄鐵覆尼龍 鋁青銅 |
50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm |
閥座 |
丁腈橡膠NBR 乙丙橡膠EPDM 氟橡膠VITON 硅橡膠SEP 耐熱EPDM 耐磨EPDM |
50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm 50mm~300mm |
密封副材質(zhì) |
適用溫度 |
介質(zhì)類型及適用程度 |
突出特性 | |||||||||||||
淡 水 |
海 水 |
鹽 類 |
強 堿 |
弱 堿 |
強 酸 |
弱 酸 |
天 然 氣 |
醇 類 |
空 氣 |
蒸 汽 |
油 類 |
食 品 | ||||
閥座 |
丁腈 |
-12ºC~82ºC |
A |
A |
A |
B |
A |
D |
B |
A |
C |
A |
D |
A |
B |
耐油 |
三元乙丙 |
-35ºC~135ºC |
A |
A |
A |
A |
A |
C |
A |
B |
B |
A |
A |
C |
A |
耐老化 | |
耐腐蝕三元乙丙 |
-35ºC~160ºC |
A |
A |
A |
A |
A |
A |
A |
B |
B |
A |
A |
C |
A |
耐腐蝕、耐老化 | |
氟橡膠 |
-23ºC~135ºC |
A |
A |
A |
C |
A |
C |
A |
A |
C |
A |
A |
A |
A |
耐高溫、耐腐蝕 | |
聚四氟乙烯 |
-10ºC~150ºC |
A |
A |
A |
A |
A |
A |
A |
A |
A |
A |
A |
A |
A |
耐腐蝕、耐高溫 | |
蝶板 |
球鐵電鍍 |
-30ºC~350ºC |
B |
D |
C |
D |
C |
D |
C |
B |
A |
B |
A |
A |
C |
耐熱 |
球鐵尼龍覆層 |
-30ºC~100ºC |
A |
A |
A |
A |
A |
D |
A |
A |
C |
A |
D |
A |
A |
抗蝕、耐磨、減摩 | |
鋁青銅 |
-273ºC~232ºC |
A |
B |
C |
D |
C |
D |
B |
A |
A |
A |
A |
A |
C |
耐熱、耐腐蝕 | |
不銹鋼 |
-268ºC~316ºC |
A |
B |
C |
C |
B |
C |
A |
A |
A |
A |
A |
A |
A |
耐高溫、耐腐蝕 |
通徑 |
L |
L1 |
L2 |
B |
B1 |
B2 |
H1 |
H2 |
D1 |
D2 |
D |
50 |
162 |
71.5 |
40 |
145 |
83.5 |
42.6 |
70 |
297 |
92 |
125 |
18 |
65 |
162 |
71.5 |
40 |
145 |
83.5 |
45.6 |
76 |
310 |
106 |
14 |
18 |
80 |
190 |
82 |
40 |
163 |
75 |
45.6 |
89 |
331 |
122 |
160 |
18 |
100 |
190 |
82 |
40 |
163 |
75 |
51.6 |
104 |
348 |
150 |
180 |
18 |
125 |
268 |
117 |
40 |
211 |
92.5 |
55.6 |
120 |
428 |
177 |
210 |
18 |
150 |
268 |
117 |
40 |
211 |
92.5 |
55.6 |
132 |
447 |
204 |
240 |
23 |
200 |
268 |
117 |
40 |
211 |
92.5 |
59.6 |
167 |
481 |
260 |
295 |
23 |
250 |
268 |
117 |
40 |
211 |
92.5 |
67.6 |
202 |
520 |
314 |
350/355 |
23/26 |
300 |
268 |
117 |
40 |
211 |
92.5 |
77.6 |
239 |
548 |
370 |
400/410 |
23/26 |
350 |
268 |
117 |
40 |
211 |
92.5 |
79 |
265 |
583 |
422 |
460/470 |
23/26 |
400 |
268 |
117 |
40 |
211 |
92.5 |
105 |
297 |
615 |
473 |
515/525 |
26/30 |
450 |
268 |
117 |
40 |
250 |
119 |
112 |
331 |
819 |
526 |
565/585 |
26/30 |
500 |
268 |
117 |
40 |
250 |
119 |
129 |
361 |
847 |
577 |
620/650 |
26/33 |