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Hydraulic Slurry Control Valve DK Series Aesthetically Pleasing Lightweight

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oepoch industrial technology

Hydraulic Slurry Control Valve DK Series Aesthetically Pleasing Lightweight

Country/Region china
City & Province suzhou jiangsu
Categories Valves
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Product Details

DK series slurry valve

  The slurry valve is a soft-seal, straight-stroke switch-off valve that is aesthetically pleasing, lightweight, and compact for easy installation and use. With full-diameter design, the flow resistance is small, and gate disc is formed with the pipe when the gate disc is opened. The drive mode can be manual, or the pneumatic actuator can be equipped with an inductive switch for remote control. The head of the gate disc is tapered and has a strong cutting force. The seat is made of rubber and is integrally die-casted to achieve two-way sealing. The biggest characteristic of the valve is that when the valve is fully opened, the medium will not enter the upper and lower valve chambers of the valve body, thereby avoiding the accumulation of slurry in the valve body cavity during use, which affects the use effect of the valve.

 

Design features

Gate disc

  The head of the gate has a certain taper and has a strong cutting force. After the gate is finely ground, it is treated with hard chrome plating, which has strong wear resistance and corrosion resistance.

Built-in stuffing box

  The built-in stuffing box structure design makes it easier to achieve the packing seal at this position, making maintenance easier and faster.

Valve body

The valve body adopts a two-piece structure design. When the valve body and the gate disc are assembled, the zero gap between the valve body and the gate disc is realized, so that the particulate medium is prevented from entering the valve cavity and blocking the valve.​

Seal seat

1. The rubber mold is die-cast and formed, and the valve seat contains a metal support ring to prevent deformation during long-term use.

2, Easy to install.It can be directly removed without the use of auxiliary tools.

3. The seal seats can be interchanged.

4, the sealing seat material can be selected:

    Nitrile rubber, temperature -29 ° C ~ 120 ° C

    EPDM rubber, temperature -29 ° C ~ 120 ° C

    Natural rubber, temperature -29 ° C ~ 70 ° C

Bottom with drain

  The bottom of the valve has a detachable bottom cover. After the valve is used for a period of time, the bottom cover can be removed to clean the residual granular medium in the cavity.

 

Technical and performance parameters

1, Nominal diameter: DN50-DN600

2, Flange standard: GB/T9113.1, AMSEB16.5

3, Design standard: MSS SP-81.JB/T8691-1988

4, Structure length standard: MSS SP-81

5, Material standard: GB/T12230-2005 GB/T12229-2005

6, Working pressure: 0~10bar

7, Air pressure: 0.4~0.7MPa

8, Connection method: clip type

9, Working temperature: -29 ° C ~ 120 ° C

10, Applicable medium: pulp, mud, water

11, Leakage: zero leakage

 

Valve structure drawing and parts list

No.ItemQuantity(Piece)Material
1Upper valve body1WCB,CF8,CF8M
2Lower valve body1WCB,CF8,CF8M
3Valve seat2EPDM,NBR
4Gate disc 1410,304,316,+Hard chrome plating
5PackingA groupPTFE wound packing
6Packing gland1WCB,CF8,CF8M
7Pin1304
8Drive screw1304
9Manual column4304, 45#+Cr
10Square seat1WCB,ZL108
11Transmission nut1H59
12Plane bearing2GCR6
13Flat key145#
14Round nut245#+ Nickel plating
15Hand wheel1WCB
16Bottom cover1WCB,CF8,CF8M
17Seal1NBR
18Hex BoltsSeveral304
19Sealing rope1NBR
20Socket head cap screwsSeveral304
21Hex BoltsSeveral304
22Hex nutsSeveral304
23StudSeveral304
24Hex nutsSeveral304
25Cotter pin1stainless steel
26Hex nutsSeveral304

 

Valve structure drawing and parts list

 

No.ItemQuantity(Piece)Material
1Upper valve body1WCB,CF8,CF8M
2Lower valve body1WCB,CF8,CF8M
3Valve seat3EPDM,NBR
4Gate disc 1410,304,316,+ Hard chrome plating
5Gate disc A groupPTFE wound packing
6Packing1WCB,CF8,CF8M
7Connection pin1304
8Cylinder shaft145#+Cr
9Pneumatic column4304, 45#+Cr
10Lower cylinder cover1Q235,ZL108
11Cylinder1Aluminum alloy,Q235
12Double screwSeveralQ235+ Galvanized
13Upper cylinder cover1Q235,ZL108
14Hex nutsSeveral304
15Spring padSeveral65Mn
16Bottom cover1WCB,CF8,CF8M
17Sealing cap1NBR
18Hex BoltsSeveral304
19Sealing rope1NBR
20Socket head cap screwsSeveral304
21Hex BoltsSeveral304
22Hex nutsSeveral304
23StudSeveral304
24Hex nutsSeveral304
25Hex nuts2304
26O-ring2NBR
27Boundary lubrication bearing1Composite material
28Y-ring1Polyurethane
29O-ring4NBR
30Guide tube1Reinforced PTFE
21Piston1ZI108,Q235
32Hex Bolts145
33Spring pad165Mn
34Seal1PTFE
35Hex nuts1304
36Adjustment bolt1304

 

Valve fully open and fully closed state

 

 

Pneumatic slurry valve outline drawing

 

Nominal diameterABL

C

(Fully open, full off)

E

(Fully open, full off)

DFG
DN5016512048445/360/φ220//
DN6519013048475/390/φ220//
DN8020014551535/415/φ220//
DN10023015051600/450/φ250//
DN12523018057690/510/φ250//
DN15028520057740/550/φ280//
DN20034522070885/660/φ355//
DN250405275701061/780/φ355//
DN30048533076/1400/1050/260φ310
DN35053535076/1570/1160/260φ310
DN40060038089/1670/1220/260φ310
DN45063540089/1800/1230/340φ460
DN500705450114/1950/1790/340φ460
DN600820510114/2490/1890/340φ460

 

 

 

 

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