无码人妻久久久一区二区三区-女人被男人躁得好爽免费视频-国产日韩在线时看高清视频-91娇喘????白丝动漫-久久婷婷五月综合色精品

Teflon lined diaphragm valve

Products > Anticorrosive valve > Teflon lined diaphragm valve

Teflon lined diaphragm valve

Model: G49J
diameter range: DN20-400mm
Temperature: ≤85 ℃, ≤250 ℃
Medium: corrosive
Design and manufacturing: GB122239
Length of the structure: GB12221, JB1688
Flange dimensions: GB4216, JB78
Contact purchase
shared:

Three-way diaphragm valve uses
 three-way diaphragm valve purposes: This valve is designed to control non-corrosive or generally corrosive media, the body cavity surface without lining or covered with a variety of rubber to choose from, suitable for different operating temperatures and fluid pipe road. 
 
 Three-way diaphragm valve test
 lining: Spark 
 testing and inspection according to GB / T13297 standard 
 Nominal pressure: PN (Mpa) 
 Body: PN × 1.5 
 Seal: PN × 1.1 
 
 Three-way diaphragm
 valve Diaphragm valve is a special form Of the globe valve; 
 1, the elastic seal of the opening and closing pieces to ensure that no internal leakage; 
 2, streamlined flow channel, making the pressure loss is small; 
 3, there is no stuffing box, so there is no leakage; 
 4, spaced above the diaphragm such that the bonnet, the stem parts from erosion of media; 
 5, the diaphragm can be replaced, low maintenance costs; 
 6, diversity lining material, may be applied to a variety of media, and has good corrosion resistance .
 

The main part material
name
material
Body
Cast iron, stainless steel
cap
cast iron
Disc
cast iron
Handwheel
cast iron
Diaphragm
Natural rubber, butyl rubber and so on
Valve stem
Carbon steel


The main dimensions and connection dimensions
Nominal diameter (dn)
Nominal pressure (mpa)
Working pressure (mpa)
l
d
d1
z-φ
f
h1
h2
d0
Weight (kg)
20
1.6
1.6
117
105
75
4-14
2
93
103
66
3
25
127
115
85
4-14
2
100
112
66
4
32
146
140
100
4-18
2
127
144
96
6.5
40
159
150
110
4-18
2
136
156
96
7.5
50
190
165
125
4-18
2
151
177
118
10
65
1.0
1.0
216
185
145
4-18
2
183
213
165
16
80
254
200
160
8-18
2
198
273
230
23.5
100
305
220
180
8-18
2
266
320
280
34
125
356
250
210
8-18
3
319
386
280
44
150
406
285
240
8-22
3
380
453
368
67.5
200
0.6
521
340
295
8-22
3
506
626
400
141.5
250
635
395
350
12-22
3
598
734
500
229
300
0.4
749
445
400
12-22
3
698
778
560
321
350
749
505
460
16-22
3
723
883
560
360
400
0.25
-
565
515
16-26
3
868
1078
640
584
主站蜘蛛池模板: 日本一道一区二区视频| 亚洲中文字幕伊人久久无码| 欧美寡妇xxxx黑人猛交| 国产在热线精品视频| 日本熟人妻中文字幕在线| 中文精品无码中文字幕无码专区| 亚洲精品中文字幕| 国产成人综合久久二区| 欧美综合自拍亚洲综合区| 男男女女爽爽爽免费视频| 欧美精品国产aⅴ一区二区在线 | 国产美女视频免费的| 精品国产一区二区三区色欲| 日韩国产综合精选| 亚洲国产初高中女| 国产精品制服丝袜无码| 亚洲精品无码日韩国产不卡av| 国产日韩一区二区三区免费高清| 国产山东熟女48嗷嗷叫| 99久久免费国产精品四虎| 亚洲毛片无码专区亚洲a片| 无码人妻久久1区2区3区| 国产裸体美女视频全黄| 国产成人亚洲精品无码蜜芽| 亚洲欧美一区二区三区日产| 巨胸喷奶水视频www免费网站| 成人免费网站视频www| 无码三级av电影在线观看| 国产色婷婷亚洲99精品小说| 小13箩利洗澡无码视频网站| 男人的天堂av社区在线| 99精品国产丝袜在线拍国语| 午夜一区二区亚洲福利| 久久国产福利一区二区| 国产成人无码免费视频97app| 特级a欧美做爰片第一次| 久久精品国产男包| 精品无码乱码av| 亚洲国产欧美在线综合其他| 欧美交换配乱吟粗大免费看| 成 人 黄 色 免费 网站无毒 |