Description
Gate gate valve with through knife is designed for installation on pipelines as a shut-off device and controlling the flow of medium with high concentration of solid particles. It can also be used in gravity feed systems for solid and powdery substances, as the cutting edge of the knife allows cutting off high density flows.
Induction sensor is a non-contact type sensor designed to control the position of objects made of metals. It is not sensitive to other materials. Induction sensors are successfully and widely used to solve many problems of process automation in production. They are manufactured with normally open and normally closed contacts, but there are variants with both types of contact simultaneously. They work by changing the parameters of the magnetic field created by the inductance coil inside the sensor.
Technical characteristics of gate valves DNOVA GVKRT3431N-2W-Fb-2P interflanged, body - carbon steel WCB, gate - stainless steel 304, sealing - NBR, with pneumatic actuator and induction sensors LJ12A3-4-J/EZ 220V:
| Name | Meaning |
| Connection type | interflange |
| Medium | viscous media, powdered and crystallized media, waste paper, slurry |
| Type of control | pneumatic actuator |
| Application | extractive industry, pulp and paper industry |
| Gate valve type | Schieber |
| Working medium temperature, °C | from -30 to +110 |
| Manufacturer's country | China |
Gate valves DNOVA GVKRT3431N-2W-Fb-2P interflanged, body - carbon steel WCB, gate - stainless steel 304, sealing - NBR, with pneumatic actuator and induction sensors LJ12A3-4-J/EZ 220V
Dimensions and dimensions of gate valves DNOVA GVKRT3431N-2W-Fb-2P interflanged, body - carbon steel WCB, gate - stainless steel 304, sealing - NBR, with pneumatic actuator and induction sensors LJ12A3-4-J/EZ 220V:
| Size | DN, mm | L, mm | D, mm | D1, mm | D2, mm | H1, mm | G, inch | N - Th | T, mm |
| DN100 | 100 | 51 | 220 | 180 | 156 | 428 | 1/2″ | 8 – M16 | 12 |
| DN150 | 150 | 57 | 285 | 240 | 211 | 553 | 3/4″ | 8 – M20 | 14 |
| DN200 | 200 | 70 | 340 | 295 | 266 | 727 | 3/4″ | 8 – M20 | 16 |
| DN250 | 250 | 70 | 395 | 350 | 319 | 880 | 3/4″ | 12 – M20 | 16 |
Sketch dimensions and dimensions Gate valves DNOVA GVKRT3431N-2W-Fb-2P interflanged, body - carbon steel WCB, gate - stainless steel 304, sealing - NBR, with pneumatic actuator and induction sensors LJ12A3-4-J/EZ 220V
Table of parts and materials for gate valves DNOVA GVKRT3431N-2W-Fb-2P interflanged, body - carbon steel WCB, gate - stainless steel 304, sealing - NBR, with pneumatic actuator and induction sensors LJ12A3-4-J/EZ 220V:
| № | Part name | Material |
| 1 | Casing | WCB steel |
| 2 | Schieber | stainless steel 304 |
| 3 | Guide seal | NBR |
| 4 | Guide seal | NBR |
| 5 | Rack | steel Q235 |
| 6 | Rod | steel 45 |
| 7 | Rack head | cast iron GGG40 |
| 8 | Pneumatic cylinder | - |
| 9 | Rod coupling | steel Q235 |
| 10 | Solenoid valve | - |
| 11 | Filter | - |
Sketch of parts and materials of slide gate valves DNOVA GVKRT3431N-2W-Fb-2P interflanged, body - carbon steel WCB, gate - stainless steel 304, sealing - NBR, with pneumatic actuator and induction sensors LJ12A3-4-J/EZ 220V
Technical parameters of SC pneumatic cylinders:
| Name | Significance |
| Action type | double-acting |
| Operating medium | compressed air |
| Mounting type | FA FB CA CB LB YB |
| Damping | adjustable |
| Damping length, mm | 32 |
| Working pressure range, bar | 1-9 |
| Maximum allowable pressure, bar | 13.5 |
| Operating temperature range, °C | from -5 to +70 |
Dimensions and dimensions of SC pneumatic cylinders:
| Pneumatic cylinder model | SC 125x145 | SC 200x220 |
| A, mm | 246 | 320 |
| B, mm | 102 | 128 |
| C, mm | 144 | 192 |
| D, mm | 60 | 80 |
| E, mm | 70 | 80 |
| F, mm | 32 | 48 |
| G, mm | 40 | 50 |
| H, mm | 50 | 60 |
| I, mm | 39 | 52 |
| J, mm | 11 | 14 |
| K | М27х2 | М36х2 |
| L | М12х1.75 | М16х2 |
| M, mm | 15 | 30 |
| N, mm | 20 | 25 |
| O, inch | G1/2″ | G3/4″ |
| S, mm | 140 | 220 |
| T, mm | 110 | 175 |
| V, mm | 32 | 50 |
| W, mm | 29 | 46 |
Sketch of dimensions and dimensions of SC pneumatic cylinders
Specifications
Delivery
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