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      G41G Rubber Lined Diaphragm Valve

      Product overview

      Product model: G41G
      Nominal diameter: DN65~200mm
      Nominal pressure: PN10~16MPa
      Drive mode: worm gear drive, electric, pneumatic, manual
      Applicable temperature: -40℃ ~ 100 ℃
      Applicable medium: good acid and alkali resistance.85% fluid acid, hydrochloric acid, hydrofluoric acid, phosphoric acid, charged base and various esters
      Main material: cast iron, ductile cast iron, carbon steel, stainless steel

      G41G Rubber Lined Diaphragm Valve product details

      G41G Rubber Lined Diaphragm Valve Features

      1. This series of valves are the introduction, digestion and absorption of the United Kingdom Saunders Valve proprietary technology manufacturing products.

      Liner diaphragm valve and other valves the biggest difference is that: the use of packing structure letter; rubber diaphragm can make the corridor in the corrosive media and all the drive components in a fully isolated state, thereby eliminating the usual valve " Run, run, drip, drain "and other defects.

      3. Due to the smooth flow of diaphragm valve, flow resistance is small, so you can get a larger flow.

      4. Depending on the diaphragm valve body cavity surface as the hall for the choice of a variety of rubber. It has excellent corrosion resistance.

      5. Because the seal is a flexible rubber diaphragm. So it also has better sealing and the minimum closing force.

      6. The valve by the valve body, valve cover, disc, stem, diaphragm and other drive components and other components.

      7. Valve opening and closing is achieved by rotating the hand wheel. The valve marked on the top of the valve can be glimpsed at the valve opening or closing the display color to indicate the valve opening and closing stroke. When the handwheel is placed clockwise, the handwheel is moved downward, and the valve disc is driven to lower the diaphragm to cut off the passageway; otherwise, the valve is opened and the color is revealed.

      8. The standard valve: in accordance with the provisions of GB12239 and meet the requirements of BS5156.


      G41G Rubber Lined Diaphragm Valve product use

      G41G Rubber Lined Diaphragm Valve produced and sold by Baigang valve group according to different depending on the material for different temperatures at different fluid medium pipeline, as the flow control of the opening and closing institutions


      G41G Rubber Lined Diaphragm Valve depending on the recommended range of use of the material

      Depending on the material (code)

      proper temperature

      Suitable media

      Hard rubber (NR)

      -10 ℃ ~ 85 ℃

      Hydrochloric acid, fluorosilicic acid, formic acid and phenolic acids, hydrochloric acid, 30% of flow acid and 50% of hydrofluoric acid are used in addition to strong oxidizing agents (such as pinacid, chromic acid, concentrated sulfuric acid and hydrogen peroxide) Acid, 80% phosphoric acid, alkali, salts, metallized solution, sodium hydroxide, potassium hydroxide, neutral saline solution, 10% sodium hypochlorite, wet chlorine, ammonia, most alcohols, organic acids and aldehydes.

      Soft rubber (BR)

      -10 ℃ ~ 85 ℃

      Has good wear resistance. Mainly used in 50% of the following acid, sodium hydroxide, potassium hydroxide, neutral salt bath solution and ammonia, cement, clay, cinder ash, granular fertilizer and abrasive solid fluid, thick Mucus and so on.

      Butyl gum (IIR)

      -10 ℃ ~ 120 ℃

      Anti-corrosion, wear resistance. Very resistant to most organic acids, alkalis and hydroxides, inorganic salts and inorganic acid gas, alcohols, aldehydes, ethers, ketones, esters and so on.

      Neoprene

      (CR) -10 ° C to 120 ° C

      Animal oils, vegetable and inorganic oils, and aggressive slurries with a wide range of pH values provide good abrasion resistance.

      Cast iron is not wrapped

      -40 ℃ ~ 100 ℃

      Non-corrosive media


      G41G Rubber Lined Diaphragm Valve diaphragm Recommended use of material:

      Diaphragm material (code)

      Suitable temperature

      Suitable media

      Butyl gum (Grade B)

      -40 ℃ ~ 100 ℃

      Good acid and alkali resistance. 85% flow acid,
      hydrochloric acid, hydrofluoric acid, phosphoric
      acid, base and a variety of esters.

      Natural rubber (Q grade)

      -50 ℃ ~ 100 ℃

      For purifying water, inorganic salts, dilute mineral acids.


      G41G Rubber Lined Diaphragm Valve main performance parameters:

      model

      Nominal diameter DN (mm)

      Working pressure WP (Mpa)

      Test pressure (Mpa)

      Test temperature (℃)

      seal

      strength

      G41J W-16

      20-50

      1.6

      1.76

      2.4

      Room temperature

      G41J W-10

      65-200

      1.0

      1.1

      1.5


      G41G Rubber Lined Diaphragm Valve main connection size

      DN (mm)

      PN (MPa)

      WP (MPa)

      Main dimensions (mm)

      The scope of application

      Weight (kg)

      L

      D1

      D

      D0


      Z

      H

      Temperature  
             (° C)

      medium

      J-type

      W-type

      J-type

      W-type


      20

      1.6

      1.6

      121

      117

      75

      105

      70

      13.5

      4

      103

      Less than or
             equal to 100

      Generally corrosive

      Non-corrosive

      3

      25

      131

      127

      85

      115

      83

      112

      4.3

      32

      150

      146

      100

      140

      114

      17.5

      144

      6.5

      40

      163

      159

      110

      150

      156

      7.9

      50

      194

      190

      125

      165

      140

      177

      10.6

      65

      1.0

      1.0

      220

      216

      145

      185

      165

      164.5

      17.6

      80

      258

      254

      160

      200

      230

      8

      181.5

      25.5

      100

      309

      305

      180

      220

      280

      253

      36.2

      125

      362

      356

      210

      250

      282

      47.5

      150

      412

      406

      240

      285

      368

      366.5

      74

      200

      527

      521

      295

      342

      483

      22


      143



      Reminder:

      All text, data and pictures in this article are for reference only.To see more details of the G41G Rubber Lined Diaphragm Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.

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