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      300X slow closing check valve

      300X slow closing check valve
      • sell:021-32051999
      • sell:021-32050777
      • fax:021-66099555

      Details

      • Product Introduction
      • Service Promise
      • Ordering Process

      The 300X slow-closing check valve consists of main valve, one-way valve, needle valve, ball valve, micro-filter and pressure gauge. Using hydraulic automatic operation, the main valve can get the best opening or closing speed. To prevent the water hammer from hitting, we can achieve the effect of slow closing and silencing.

      This product uses hydraulic self-control, does not need other devices and energy, easy maintenance, open and slow shut smoothly.

      This series of valve products are widely used in high-rise buildings, living areas and other water supply network systems and urban water supply projects.

      Working principle

      When the valve feeds water from the inlet, the water enters the main valve control room through a micro filter, a needle valve and a one-way valve, and then drains downstream through a ball valve. Because the needle valve opening is less than the ball valve opening, that is, the main valve control room drainage speed is greater than the water intake speed, so the control room pressure reduces, acting on the lower end of the main valve disc inlet pressure open the main valve downstream water supply.

      When the pipeline stops water supply, if the downstream water begins to flow back, part of the backflow water enters the main control room through the ball valve. Because of the unidirectional valve, the backflow water can not flow out of the main control room, causing the main control room to gradually pressurize, slowly closing the main valve.

      Main technical parameters

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


      主要零件材料


      零件名稱
      零件材料
      閥體 閥蓋
      WCB
      閥座 閥盤
      銅合金
      密封圈 O型圈
      丁腈橡膠
      閥桿
      2Cr13
      彈簧
      50CrVA
      針型閥
      銅合金
      球閥
      銅合金
      浮球閥
      銅合金
      微型過濾器
      不銹鋼


      部件列表
      1、針閥2、主閥3、球閥4、壓力表5、單向閥
      主要外形連接尺寸


      DN
      L
      A
      A1
      H
      H1
      F
      D
      mm
      D1
      mm
      D2
      mm
      n-Φd
      mm
      mm
      mm
      mm
      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
      20
      180
      282
      200
      172
      106
      116
      105
      105
      105
      75
      75
      75
      58
      58
      56
      4-13.5
      4-13.5
      4-14
      25
      180
      282
      200
      172
      106
      116
      115
      115
      115
      85
      85
      85
      68
      68
      65
      4-13.5
      4-13.5
      4-14
      32
      180
      282
      200
      172
      106
      116
      140
      140
      140
      100
      100
      100
      78
      78
      76
      4-17.5
      4-17.5
      4-18
      40
      240
      320
      210
      265
      210
      170
      150
      150
      150
      110
      110
      110
      88
      88
      84
      4-17.5
      4-17.5
      4-18
      50
      240
      320
      210
      265
      210
      170
      165
      165
      165
      125
      125
      125
      102
      102
      99
      4-17.5
      4-17.5
      4-18
      65
      250
      330
      215
      310
      215
      180
      185
      185
      185
      145
      145
      145
      122
      122
      118
      4-17.5
      4-17.5
      8-18
      80
      285
      350
      220
      350
      245
      210
      200
      200
      200
      160
      160
      160
      133
      133
      132
      8-17.5
      8-17.5
      8-18
      100
      360
      410
      230
      460
      305
      275
      220
      220
      235
      180
      180
      190
      158
      158
      156
      8-17.5
      8-17.5
      8-22
      125
      400
      420
      245
      520
      365
      310
      250
      250
      270
      210
      210
      220
      184
      184
      184
      8-17.5
      8-17.5
      8-26
      150
      455
      430
      260
      570
      415
      355
      285
      285
      300
      240
      240
      250
      212
      212
      211
      8-22
      8-22
      8-26
      200
      585
      440
      280
      695
      510
      460
      340
      340
      360
      295
      295
      310
      268
      268
      274
      8-22
      12-22
      12-26
      250
      650
      450
      300
      780
      560
      500
      395
      405
      425
      350
      355
      370
      320
      320
      330
      12-22
      12-26
      12-30
      300
      800
      460
      320
      902
      658
      580
      445
      460
      485
      400
      410
      430
      370
      370
      389
      12-22
      12-26
      16-30
      350
      860
      470
      340
      1025
      696
      640
      505
      520
      555
      460
      470
      490
      430
      430
      448
      16-22
      16-26
      16-33
      400
      960
      480
      360
      1080
      735
      715
      565
      580
      620
      515
      525
      550
      482
      482
      503
      16-26
      16-30
      16-36
      450
      1075
      530
      395
      1030
      610
      780
      615
      640
      670
      565
      585
      600
      532
      550
      548
      20-26
      20-30
      20-36
      500
      1075
      580
      420
      1135
      665
      830
      670
      715
      730
      620
      650
      660
      585
      585
      609
      20-26
      20-33
      20-36
      600
      1230
      600
      445
      1270
      725
      920
      780
      840
      845
      725
      770
      770
      685
      685
      720
      20-30
      20-36
      20-39
      700
      1650
      730
      495
      1460
      865
      980
      895
      910
      960
      840
      840
      875
      800
      800
      820
      24-30
      24-36
      24-42
      800
      1750
      830
      530
      1640
      925
      1050
      1015
      1025
      1085
      950
      950
      990
      905
      905
      928
      24-33
      24-39
      24-48


      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.300X slow closing check 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AV免费看|国产人妖乱国产精品人妖|中文字幕乱伦说说|日韩中文乱码人妻出轨|秋霞国产一级特黄欧美一级|色婷婷av一区二区三区之红樱桃|中文字幕一区二久久网站|久久精品欧美一区二区三区不卡

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