Knife gate valve products use Notes and Features

Knife gate valve opening and closing member is a gate, the direction of movement of the fluid in the direction perpendicular to the gate, knife gate valve can only be fully open and fully closed, can not be adjusted and the throttle. Ram has two sealing surface, the sealing surface two most common mode of gate valve forming wedge, the wedge angle with the valve parameters, usually 50, wedge type knife gate valve can be made into a whole, called rigid gate; when to be made to produce small quantities of deformation gate in order to improve its process, make up the sealing surface angle deviations arising during processing, this gate is called the flexible gate knife gate valve is closed, the sealing surface We can only rely on media pressure to seal, which rely on media pressure to ram pressure to the sealing surface of the other side of the seat to ensure the sealing surface of the seal, which is self-sealing. Most knife gate valve is sealed by force, that the valve is closed, the shutter will be forced to rely on external pressure to the seat, to ensure the sealing surface of the seal.
Knife gate valve products use Notes and Features

Knife gate valve products use Notes and Features

Knife gate valve products use Notes and Features

Knife gate valve products use Notes and Features
Knife gate valve opening and closing member is a gate, the direction of movement of the fluid in the direction perpendicular to the gate, knife gate valve can only be fully open and fully closed, can not be adjusted and the throttle.
KeyWords: Knife Gate Valve
Ram has two sealing surface, the sealing surface two most common mode of gate valve forming wedge, the wedge angle with the valve parameters, usually 50, wedge type knife gate valve can be made into a whole, called rigid gate; when to be made to produce small quantities of deformation gate in order to improve its process, make up the sealing surface angle deviations arising during processing, this gate is called the flexible gate knife gate valve is closed, the sealing surface We can only rely on media pressure to seal, which rely on media pressure to ram pressure to the sealing surface of the other side of the seat to ensure the sealing surface of the seal, which is self-sealing. Most knife gate valve is sealed by force, that the valve is closed, the shutter will be forced to rely on external pressure to the seat, to ensure the sealing surface of the seal.

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Executive Standard Knife Gate What

Shell material pressure – temperature rating according to the provisions of GB9131.
Structure and length limit deviations according valve GB / T 15188.2 requirements
Flange sealing surface type and size have special requirements specified in the order.
Stem and stem nut with trapezoidal thread, the provisions of its basic dimensions and tolerances according to GB 5796.1 ~ 5796.4 in.
Connection size bracket and drive device according to GB 12222 requirements.
WCB valve body materials, according to the provisions of GB12229.

Executive Standard Knife Gate What

Executive Standard Knife Gate What

Executive Standard Knife Gate What
Shutter austenitic stainless steel (SS304) material, according to GB 12220, the provisions of GB4237.
The stem material 1Cr13,2Cr13, according to the provisions of GB12220.
Bracket and packing gland using carbon steel (WCB) material, according to the provisions of GB12229.
Stem nut made of copper alloy (ZCuZn38Mn2Pb2, ZCuSn5Pb5Zn5), according to the provisions of GB 12225.
The seal member (packing) graphite asbestos rope.
Shell test and seal test according to GB / T 13927 in the provisions.
Performance requirements for effective sealing, seal leakage test is calculated as 1 × mm / s.
Clean gas valve required by the provisions of JB / T 7748’s.
KeyWords: Knife Gate Valve
Paint color according to the provisions of JB 106.
Gas valve packing, storage, transport and quality assurance provisions according to JB / T 7928’s.
Casing pressure: 1.5MPa, sealing pressure: 1.1 Pressure, Temperature: 425 ℃, applicable medium: water, gas, pulp and the like.

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Caution knife gate valve with optional notes

Knife gate valve opening and closing member is a gate, the direction of movement of the fluid in the direction perpendicular to the gate, knife gate valve can only be fully open and fully closed, can not be adjusted and the throttle. Ram has two sealing surface,, usually 50, wedge type knife gate valve can be made into a whole, called the rigid gate; can also be made to produce small quantities of deformation gate in order to improve its process, make up the sealing surface angle deviations arising during processing, this gate is called the flexible gate. When the knife gate valve is closed, the sealing surface can only rely on media pressure to seal.

Caution knife gate valve with optional notes

Caution knife gate valve with optional notes

Caution knife gate valve with optional notes
Most knife gate valve is sealed by force, that the valve is closed, the shutter will be forced to rely on external pressure to the seat, to ensure the sealing surface of the seal.
Knife gate valve optional Notes
KeyWords: Knife Gate Valve
1. When the user to buy, you must specify the nominal pass through the valve, and a pressure valve connected to the desired standard;
2. valves required for any special needs, you must specify special sizes, special materials and other parameters.

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Manual knife gate valve performance

Knife gate valve performance manual knife gate valve, knife gate valve, manual single folder type knife gate valve main performance specifications Nominal pressure (mpa) Shell test (mpa) Seal Test (mpa) operating temperature Applicable medium 1.0 1.6 1.5 2.4 1.1 1.8 900 ℃ pulp, sewage, slurry coal, ash, slag-water mixture single folder type knife gate valve, single clip-on slurry valve, single folder type knife gate valve main parts materials …

Manual knife gate valve performance

Manual knife gate valve performance

Manual knife gate valve performance
Manual knife gate valve performance
KeyWords: Knife Gate Valve
Manual knife gate valve having a simple and compact structure, reasonable design, lightweight materials, reliable sealing, light and flexible operation, small size, channel flow, flow resistance is small, light weight, easy to install, easy to disassemble, etc., in the working pressure 1.0MPa -2.5MPa, temperature -29-650 ℃ under normal work conditions. Knife gate valve gate has cut its function, can scrape the sealing surface of the adhesive material, the debris is cleared automatically seal leakage, stainless steel gate to prevent corrosion. This type valve in the pipeline should generally be installed horizontally.
Manual knife gate valve, knife gate valve, manual single folder type knife gate valve main performance specifications Nominal pressure (mpa) Shell test (mpa) Seal Test (mpa) operating temperature Applicable medium 1.0 1.6 1.5 2.4 1.1 1.8 ≤900 ℃ pulp, sewage , coal slurry, ash, slag-water mixture single folder type knife gate valve, single clip-on slurry valve, single folder type knife gate valve material of main parts body, cover gate valve stem sealing surface of stainless steel, carbon steel, gray iron, carbon steel, stainless steel rubber, PTFE, stainless steel, carbide slurry knife gate valves, knife gate valve slagging, single clip-on slurry valve

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Manual knife gate valve installation

Manual knife gate valve installation 2. Each bolt joints, evenly tightened requirements; 3. Check the packing site requires compression, both to ensure the packing seal, but also to ensure the shutter open and flexible; 5 user during the installation of valves, must reserve the space necessary valve drive; 6. driving device shall wiring circuit diagrams; 7 knife gate valve must be regular maintenance, are not free to collision and extrusion, so as not to affect the …
Manual knife gate valve installation

Manual knife gate valve installation

Manual knife gate valve installation

Manual knife gate valve installation
1. The installation should be checked before the valve cavity and sealing surfaces and other parts, does not allow any dirt or grit attachment;
2. Each bolt joints, evenly tightened requirements;
3. Check the packing site requires compression, both to ensure the packing seal, but also to ensure the shutter open and flexible;
4. User Before installing the valve, the valve must be calibrated model, connection size and the flow of media attention, to ensure consistency with the requirements of the valve;
5. When users install the valve, the valve must be set aside space necessary drive;
KeyWords: Knife Gate Valve
6. The drive unit shall wiring circuit diagram;
7. The knife gate valve must be regular maintenance, are not free to collision and extrusion, so as not to affect the seal.

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