Chamber-type bladder DKS

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Creating a pressure drop when measuring the flow of liquids, gases, water vapor using the differential pressure method.

Overall and mounting dimensions under MI 2638.

Disk strusctural design:

  • Standard bladders for pipelines with an internal diameter greater than or equal to 50 mm (under GOST 8.586.1 (2)); the code is "GOST";
  • standard bladders for pipelines with an internal diameter of less than 50 mm (under RD 50-411); the code is "S50";
    with a conical inlet (under RD 50-411); the code is "K";
  • wear-resistant (under RD 50-411); the code is "I";
    with a service opening (without diameter boring); the code is "B/R".

In the typical version, it is manufactured with one pair of pressure tapping nozzles providing the welding of impulse lines with a diameter of 16 mm.

At the customer’s request, the number of pairs of pressure tappings can be increased up to 4, it is also possible to change the diameter of the bleeder nozzles, threading them and bending to provide the required center-to-center distance. Additional requirements should be indicated on the questionnaire.

Online questionnaire.

Использование consumption

Structural design under МИ 2638

Structural design under МИ 2638

Main technical characteristics

Internal diameter DN, mmBladder indication at the nominal pressure РN, МPа
up to 0,6from 0,6 to 10
50 ДКС 0,6-50 ДКС 10-50
65 ДКС 0,6-65 ДКС 10-65
80 ДКС 0,6-80 ДКС 10-80
100 ДКС 0,6-100 ДКС 10-100
125 ДКС 0,6-125 ДКС 10-125
150 ДКС 0,6-150 ДКС 10-150
200 ДКС 0,6-200 ДКС 10-200
250 ДКС 0,6-250 ДКС 10-250
300 ДКС 0,6-300 ДКС 10-300
350 ДКС 0,6-350 ДКС 10-350
400 ДКС 0,6-400 ДКС 10-400
450 ДКС 0,6-450 ДКС 10-450
500 ДКС 0,6-500 ДКС 10-500

Materials contacting with a processing medium

МатериалMaterial identification code
ChambersDiskGasketing
Steel 12Х18Н10Т ГОСТ 5632 Steel 12Х18Н10Т ГОСТ 5632 rubberized asbestos fabric GOST 481 Б/Б
Steel 20 ГОСТ 1050 А/Б
Steel 09Г2С ГОСТ 19281 09Г2С/Б

Warranty liabilities

ParameterTerm
Warranty service life, months 12 months since their commissioning but not more than 18 months since the date of production

Contents of delivery

NameNumber
Disk 1
Upstream chamber 1
Downstream chamber 1
Rubberized asbestos fabric gasket 1(2*)
Works certificate 1
Flow restrictor datasheet (ЦСМ)** 1
Bladder estimation (ЦСМ)** 1
Strength calculation 1***
Operation manual 1***
Duplicate of safety analysis 1***

* for ДКС-type bladder in version 3.
** when ordering a bladder with a boring.

*** per set of products.

Order designation

ДиафрагмаДКС 10-100А/Б1ГОСТ
1 2 3 4 5
  1. Name.
  2. Designation (according to the table "Key technical characteristics").
  3. Code of materials contacting with an operating medium (according to the table "Materials contacting with a processing medium").
  4. Version under МИ 2638.
  5. Disk structural design code.

Certificates

  1. ДКС, ДБС, ДФК, ДВС, ДФС-type bladders The certificate of conformity ТR ТS 23.12.2020 (RU)

Questionnaires

  1. Bladders Online questionnaire (online form)
  2. Bladders Questionnaire (pdf)

FAQ

  1. It is possible to make a disk, I would be betterif you provide a sketch indicating the outer diameter and thickness of the disk.
  2. Standard material of the annular chambers is st.20 or 12KH18N10T, although the use of 09G2S is possible in case of custom order. To make an order, please contact the sales department at +7 (351) 749-93-55.
  3. It is possible to make a disk with the specified bore d20, and to pass a certified state control, you must provide a questionnaire with the benchmark data for the ЦСМ calculation or a calculation certified by the regional ЦСМ.

Articles

  1. ДКС, ДБС, ДФК, ДВС, ДФС-type bladders (GOST 8.586-2005 and RD 50-411)

Chamber-type bladder DKS

Diaphragm chamber ДКС. Used to measure the flow of liquids and gases. Compatible with pressure sensors (pressure transducers) Eni-100, ДД
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Обработка персональных данных включает согласие с Пользовательским соглашением и Политикой конфиденциальности и Вы принимаете их условия.