少妇人妻精品一区二区三区-成年人看的性生活视频-欧美三级a做爰全过裸体-国产夫妻性生活免费看

AX742X diaphragm type safety relief / hold valve

AX742X diaphragm type safety relief / hold valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

AX742X safety relief/pressure holding valve is composed of main valve and needle type regulating valve, guide valve, ball valve and nozzle system. The main valve body adopts full channel, direct current and streamline design, and adopts diaphragm or piston structure. This product sets the outlet pressure by setting the spring pressure of pressure regulating guide valve and adjusting the opening of needle valve, and stabilizes the outlet pressure through the feedback of nozzle system and control room.

This product uses needle-type regulating valve and guide valve to control water pressure independently. It does not need additional equipment and energy. It is easy to maintain and maintain. It is less affected by inlet pressure and flow. It has high accuracy of pressure control and reliable pressure reduction and stabilization.

Working principle

When the pipe feeds water from the inlet end, the water flows through the needle valve into the main valve control room, and the outlet pressure acts on the guide valve through the pipe. When the outlet pressure is higher than the set value of the guide valve, the guide valve closes and the control room stops draining. At this time, the main valve control room pressure rises and closes the main valve, and the outlet pressure no longer rises.

When the outlet pressure drops to the pilot valve setting pressure, the pilot valve opens and the control room drains downstream. Because the displacement of the pilot valve is greater than the water intake of the needle valve, the pressure of the main valve control room drops, and the inlet pressure makes the main valve open. Under steady state, the inlet and drainage of the control room are the same, the opening degree is constant, and the outlet pressure remains unchanged.

The outlet pressure can be set by adjusting the guide valve spring.

Work characteristics

1, pressure control is stable and reliable. The pilot valve and main valve work continuously, and the downstream pressure changes continuously and smoothly.

2, easy to operate. After the working pressure is adjusted, the main valve automatically adjusts when the upstream pressure or flow changes, and the downstream pressure is stabilized.

3, the valve body uses a full channel, DC, streamlined design. The hydraulic loss is small and the energy saving effect is good.

Functions and uses

The valve is generally installed in the upstream of the water supply network system to achieve the function of reducing pressure and stabilizing the downstream pipe network or device.

This series of valve products are widely used in high-rise buildings, living areas or other water supply network system hydraulic control.

Main technical parameters


公稱壓力(Mpa)
殼體試驗壓力(MPa)
密封試驗壓力(MPa)
調(diào)壓范圍(MPa)
適用介質(zhì)
介質(zhì)溫度(℃)
1.0
1.5
1.1
0-1.0
0-80
1.6
2.4
1.76
0-1.6
2.5
3.75
2.75
0-2.5


Material of main parts


零件名稱
零件材料
閥體 閥蓋
WCB
閥座 閥盤
銅合金/2Cr13
密封圈 O型圈
丁腈橡膠
閥桿
2Cr13
彈簧
50CrVA
缸套 活塞(活塞型)
2Cr13
膜片(膜片型)
夾織物丁腈橡膠
調(diào)節(jié)閥 球閥
銅合金
過濾器
不銹鋼


部件列表
1、壓力表2、過濾器3、控制導(dǎo)閥4、流量調(diào)節(jié)閥5、主閥
主要外形連接尺寸


DN
L
H
D
mm
D1
mm
b
mm
D2
mm
n-Φd
mm
mm
PN1.0
PN1.6
PN2.5
PN1.0
PN1.6
PN2.5
PN1.0
PN1.6
PN2.5
PN1.0
PN1.6
PN2.5
PN1.0
PN1.6
PN2.5
40
240
270
150
150
150
110
110
110
18
18
18
88
88
84
4-17.5
4-17.5
4-18
50
240
270
165
165
165
125
125
125
20
20
20
102
102
99
4-17.5
4-17.5
4-18
65
270
340
185
185
185
145
145
145
20
20
22
122
122
118
4-17.5
4-17.5
8-18
80
300
400
200
200
200
160
160
160
22
22
24
133
133
132
8-17.5
8-17.5
8-18
100
350
440
220
220
235
180
180
190
24
24
24
158
158
156
8-17.5
8-17.5
8-22
125
400
460
250
250
270
210
210
220
26
26
26
184
184
184
8-17.5
8-17.5
8-26
150
480
500
285
285
300
240
240
250
26
26
28
212
212
211
8-22
8-22
8-26
200
500
640
340
340
360
295
295
310
28
30
30
268
268
274
8-22
12-22
12-26
250
605
690
395
405
425
350
355
370
28
32
32
320
320
330
12-22
12-26
12-30
300
700
820
445
460
485
400
410
430
28
32
34
370
370
389
12-22
12-26
16-30
350
800
950
505
520
555
460
470
490
30
36
38
430
430
448
16-22
16-26
16-33
400
900
1400
565
580
620
515
525
550
32
38
40
482
482
503
16-26
16-30
16-36
450
1000
1580
615
640
670
565
585
600
32
40
42
532
550
548
20-26
20-30
20-36
500
1100
1600
670
715
730
620
650
660
34
42
44
585
585
609
20-26
20-33
20-36
600
1300
1815
780
840
845
725
770
770
36
48
46
685
685
720
20-30
20-36
20-39
700
1400
2040
895
910
960
840
840
875
40
54
50
800
800
820
24-30
24-36
24-42
800
1500
2350
1015
1025
1085
950
950
990
44
58
54
905
905
925
24-33
24-39
24-48
900
1700
2606
1115
1125
1185
1050
1050
1090
46
62
58
1005
1005
1028
28-33
28-39
28-48
1000
1900
2765
1230
1255
1320
1160
1170
1210
50
66
62
1110
1110
1140
28-36
28-42
28-56
1200
2050
2950
1455
1485
1530
1380
1390
1420
56
52
70
1330
1328
1350
32-39
32-48
32-55
1400
2200
3180
1675
1685
1755
1590
1590
1640
62
58
76
1530
1530
1560
36-42
36-48
36-60
1600
2400
3400
1915
1930
1955
1820
1820
1860
68
64
84
1750
1750
1780
40-48
40-55
40-60


安裝示意圖


The best quality, first-class service Qigao creates more value for you!

"Qigao Valve" expects to continuously improve service quality and strive for excellence. "Sincere service" is the eternal theme of "Qigao". "Qigao" strictly followsIS09001-2000 Quality system certification requirements, strict quality control, responsibility to people, to ensure the healthy operation of production, sales and service. Strengthen communication with users and provide quality products to our customers with perfection and perfect service. Hereby our factory makes the following commitments:

Product Standards:

Products in strict accordance with ChinaGB、HG Standard and USAPISuch as standard design, manufacturing, acceptance. The hardness of the sealing surface meets the requirements of the state and the width exceeds the national standard.

pre-sale service:

Product introduction, technical exchange, non-standard product design, troubleshooting。

Sale service:

A trustworthy contract guarantees timely delivery and keeps in touch with customers. For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" brand product quality period is from the factory12In the month, the implementation of the "three guarantees" service (return, replacement, warranty).

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions, so as to further improve product quality.

3、Respond quickly to the quality of user complaints, after-sales service personnel rushed to the scene in 24-36 hours (48 hours outside the province).

4、For after-sales service, users are required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of Qigao.

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us in advance to tell the required valve model, specification, quantity, delivery time and location, and timely transfer to the factory account according to the total 30% deposit or full payment. The rest of the payment is pending. Import before shipment to arrange delivery in time.

 

Order Process:

1、Customer purchase list fax to021-33872143,Or call us 021-33872141

2、Receive customer purchase list, provide valve model selection and quotation (price list)。

3、Specific agreement: delivery date, special requirements, etc.。

download Google:

1、If the customer has special requirements for the product, the following instructions must be provided in the order contract.:

a、Structure length;

b、Connection Type;

c、Nominal diameter, full diameter, reduced diameter, pipe size;

d、Operating medium and temperature, pressure range;

e、Tests, inspection standards and other requirements

2、The factory can configure various types of driving devices according to customer's specific requirements.。

3、If the type and model of the valve are determined by the customer, the customer shall correctly state the meaning and requirements of the model and sign the contract under the condition that the supplier and the buyer understand each other.

4、For futures and order customers, please call us first to tell the required valve model, specifications, quantity, delivery time and location, and press the total30%The deposit or full payment will be remitted to our factory account in time., The rest of the payment will be remitted before shipment to arrange delivery in time.。

Sale service:

Trustworthy contract, guarantee timely delivery, keep in touch with customers at any time。

For special or duplicate products, our factory arranges technicians to use and troubleshoot the products for users.

After sales service:

1、"Qigao" product quality period is from the factory12Month, practiceThree packsService (return, replacement, warranty)。

2、During the use of our products, our factory regularly organizes technical and quality inspection personnel to visit and consult users for feedback on product quality, usage status and improvement opinions.,
In order to further improve product quality。

3、Respond quickly to the quality of user complaints, after-sales service personnel24-36Hours (outside the province48Hour) rushed to the scene。

4、For after-sales service, the user is required to fill out the quality feedback information form after the service and make an appraisal opinion in order to improve the service quality of “Qigao”.。

statement

  1. All text, data and pictures in this article are for reference only.AX742X diaphragm type safety relief / hold valvePlease contact us at 4000-700-665 for details of performance, size and price.
  2. If there is no explanation, this article is original, reprint, please indicate the address of this article, thank you for your cooperation!
日韩一级黄色片一区二区三区| 免费观看久久久激情片| 视频在线观看亚洲一区二区| 日本一区二区不卡二区| 四虎视频在线观看免费| 日韩av不卡免费播放| 人妻社区激情一区二区| 精品久久精品久久人妻九色| 宅福利有番号亚洲麻豆91| 中文字幕在线观看精品亚洲| 日本熟妇裸体视频在线| 丰满人妻被夫上司侵犯视频| 国产精品不卡一不卡二| 日本黄色三级一区二区| 国产黄色av片免费| 国产黄a三级三级三级老师绑| 四虎最新在线播放视频| 中文字幕亚洲精品乱码加勒比| 日韩欧美精品另类在线| 少妇极品熟妇人妻专区视频| 一亚洲一区二区中文字幕| 国产精品三级精品三级| 中文字幕乱码亚洲美女精品| 久久亚洲精品日韩高清| 羞涩插射视频网站在线观看| 国产精品一区久久精品国产| 视频一区二区三区久久| av网站免费在线播放| 激情啪啪啪一区二区三区| 国产欧美一区二区另类精品| 人妻内射一区二区在线视| 国产黄色精品一区二区| 免费观看亚洲视频一区二区三区| 日本精品中文字幕人妻| 女女同女同一区二区三区| 日韩精品人妻中文字幕| 亚洲黄色片大奶子水多| 国产精品全新69影院在线看| 亚洲国产自拍av在线| 中文字幕日本人妻乱码| 国产av久久在线观看|