国产熟睡乱子伦午夜视频,国产成人精品一二区,97精品视频在线观看免费日本精品熟妇免费一区二区三区,亚洲午夜AV综合色欲AV,免费观看一级特黄三大片视频日韩欧美一区二区精品久久第一页,日韩亚洲欧美无砖专区,亚洲av无码专区国产乱码4se,国产99视频免费精品是看6

Y44H bellows pressure reducing valve

Y44H bellows pressure reducing valve
  • sell:021-32051999
  • sell:021-32050777
  • fax:021-66099555

Details

  • Product Introduction
  • Service Promise
  • Ordering Process

Y44H bellows pressure reducing valve is used in the pipeline of steam, air and water without corrosive medium whose temperature is below 200 C, so that the pressure of medium passing through the valve body can be kept constant to meet the needs of work. The inlet pressure P1 is 1.0-0.1 MPa, the outlet pressure P2 is 0.4-0.05 MPa, and the pressure difference between the front and back of the valve is not less than 0.6 MPa, nor less than 0.05 MPa.


Action principle and structure elucidation


1. The inlet medium pressure enters the body cavity from the opening clearance between the disc and the valve body sealing ring to make the medium pressure flow through the bellows combination box. The bellows and springs are compressed by the medium pressure. The disc closes the valve body sealing ring with the displacement of the valve stem. The media in front of the valve is cut off without the medium pressure behind the valve. The supplement. When the pressure of the medium behind the valve decreases, the bellows are deformed by the radial force of the adjustable spring, and the valve stem jacks the disc. The medium can be reduced by pressure through the valve body sealing ring.


2. Bellows pressure relief valve is composed of valve body, valve cover, disc, valve body sealing ring, stem, bellows, regulating spring and other parts, body cavity inlet assembly disc, valve body sealing ring and auxiliary spring, auxiliary spring is to maintain disc and valve body sealing ring automatic sealing, outlet body cavity assembly elastic sealing element (bellows) Ensure the leakage of medium pressure after the valve and compensate for the non-uniformity of pressure. The screw is to adjust the working performance of the spring loaded pressure reducing valve.


Main technical parameters

公稱壓力(MPa)
0.6
1.0
1.6
殼體試驗(yàn)壓力(MPa)
0.9
1.5
2.4
密封試驗(yàn)壓力(MPa)
0.6
1.0
1.6
MAX進(jìn)口壓力(MPa)
0.6
1.0
1.6
出口壓力范圍(MPa)
0.05-0.4
0.1-0.8
0.1-1.0
壓力特性偏差(MPa)△P2P
GB12244-1989
流量特性偏差(MPa)△P2G
GB12244-1989
MIN壓差(MPa)
0.1
0.15
0.15
滲漏量
GB12245-1989

* shell test does not include bellows. When shell pressure test, the bellows assembly must be removed.


Material of main parts

零件名稱
零件材料
閥體、閥蓋
WCB
底蓋
WCB
閥座、閥瓣
2Cr13
波紋管
1Cr18N9Ti
波紋管上墊
2Cr13
波紋管下墊
2Cr13
號向座
2Cr13
主閥彈簧
50CrVA
調(diào)節(jié)彈簧
60S12Mn
Discharge coefficient (Cv)
DN
15
20
25
32
40
50
65
80
100
Cv
1
2.5
4
6.5
9
16
25
36
64
Main dimensions
公稱通徑DN
外形尺寸
連接尺寸
L
H
H1
PN1.6MPa
PN1.6MPa
PN1.6MPa
0.6/1.0MPa
1.6MPa
D
K
n-Φ
d
C
D
K
n-Φ
d
C
D
K
n-Φ
d
C
15
140
140
290
90
80
55
4-12
40
12
95
65
4-14
45
12
95
65
4-14
45
14
20
140
140
295
98
90
65
4-12
50
12
105
75
4-14
55
14
105
75
4-14
55
14
25
160
160
295
110
100
75
4-12
60
14
115
85
4-14
65
14
115
85
4-14
65
14
32
1080
180
295
110
120
90
4-14
70
14
135
100
4-18
78
16
135
100
4-18
78
16
40
200
200
325
125
130
100
4-14
80
14
145
110
4-18
85
16
145
110
4-18
85
16
50
230
230
325
125
150
110
4-14
90
14
160
125
4-18
100
16
160
125
4-18
100
16
65
280
325
130
160
130
4-14
110
14
180
145
4-18
120
18
180
145
4-18
120
18
80
310
380
160
185
150
4-18
125
16
195
160
4-18
135
18
195
160
8-18
135
20
100
350
380
170
205
170
4-18
145
16
215
180
8-18
155
20
215
180
8-18
155
20

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.Y44H bellows pressure reducing 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!
亚洲ⅤA中文字幕无码毛片| 丰满岳乱妇在线观看中字无码| 日韩一区二区三区射精-百度| 九色综合伊人久久富二代| 久久久久婷婷国产综合青草电影| 无码乱码av天堂一区二区| 国产成人a一在线观看| 熟妇人妻无码中文字幕老熟妇| 乱码卡一卡二新区网站| 久久久久久久精品国产亚洲87| 虎白女粉嫩在线观看免费| 日韩精品中文字幕在线观看| 欧美日韩一区二区三区人妻| va无码免费播放| 91偷拍一区二区三区精品| 无码精品一区二区三区视频蜜臀| 农村老熟妇乱子伦视频| 成人a毛片久久免费播放国语| 日韩麻豆国产精品欧美| 欧美人妻少妇精品久久| 精品国产v无码大片在线观看| 国产日韩欧美一区二区三区精品| 亚洲日韩欧美一区二区| 亚洲AV成人片色在线观看高潮,| 亚洲色成人网站WWW永久下载| 久久久久亚洲Av专区首页| 最火爆中文字幕免费无码电影网站| 亚洲乱码卡一卡二卡新区豆瓣网站| 中国猛少妇色xxxxx| 夜夜躁日日躁狠狠久| 精品少妇AY一区二区三区| 亚洲欧美国产高清vA在线播放| 狠狠色丁香婷婷久久| 亚洲国产精品一区二区久久| 国产高清在线a视频大全| 男人把女人桶到爽爆的视频网站| 国产精品区一区二区免费| 精品国产婷婷久久久| 久久夜色精品国产| 欧美一性一乱一交一视频| 国产成人亚洲精品无码最新小说|