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Desulfurization And Denitrification Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-40″/DN50-1000mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)
Temperature Rating

Soft Seat: -29 ~ +200°C

 Stem material

Stainless steel
Pressure Rating

0.6Mpa I.0Mpa 1.6Mpa 2.5Mpa 150LB

 Directional /Stem Type

Bi-directional, Uni-directional /Rising Stem
leakage level

Soft seat: Zero Leakage

 Body Style

Wafer
Disc Material

Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092, GOST 33259, BS etc.
Seat Material

Soft Seat: NBR, EPDM, PTFE, Viton etc.

 Port Type

Reduce Port,V type Port etc.
Design Standard

MSS SP-81, MFR Standard

 Test Standard

MSS SP-81, MFR Standard
Face to Face

MSS SP-81, MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic, etc
Application

Power, Pulp & Paper, Carbon Black, Chemical, Granular slurry, mud etc.
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Ultra-thin design, beautiful appearance, light weight and compact structure, easy to install and use.

The valve is connected by clip-on, and the structure length is short, which can reduce the weight of the entire pipeline system.

Soft and metal combine seat, flexible metal seat ring insert soft rubber ring, zero leakage.bi-directional.

Two sides of valve bottom have space for accumulations,avoid knife can’t shut to bottom.

Flush ports and drain ports design,easy to remove accumulated medium

Bonnet type with middle Guide sealing block,to prevent slag entering into cover cavity

Acid and corrosion resistance, providing the service life of the valve

Through Conduit Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-28″/DN50-700mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc. (Other materials are available under request.)
Temperature Rating

Soft Seat: -29 ~ +180°C

Metal Seat: According to Main Material

 Stem material

Stainless steel
Pressure Rating

I.0Mpa 1.6Mpa 150LB

 Directional / Stem Type

Bi-directional /Rising Stem
leakage level

Soft seat: Zero Leakage

Metal Seat:

 Body Style

Wafer
Disc Material

Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092, etc.
Seat Material

Soft Seat: NBR, EPDM, PTFE, Viton etc.

Metal Seat: Same to Body, STL etc.

 Port Type

Full Port
Design Standard

MFR Standard

 Test Standard

MFR Standard
Face to Face

MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic, etc.
Application

Mining, Pulp & Paper, Cement, Carbon Black, Chemical, Wastewater
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Face to face dimensions adopt short series, and light weight valve is adopted, so as to save pipe supporter.

When the valve is open, the flow port has no groove and the medium will not be blocked.

The lifting disc is always consistent with the sealing surface whether it is fully open and closed. The sealing surface is not exposed and the channel is protected from direct scouring by the medium, thus extending the service life.

The sealing seat is designed with movable structure, which is easy to replace.

The bi-directional seat with movable sealing ring, and the direction is not be limited.

There are flushing holes on both sides of the valve for cleaning the inner cavity of the valve.

Rubber Un-lined Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-56″/DN50-1400mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)
Temperature Rating

Soft Seat: -40 ~ +120°C

 Stem material

Stainless steel
Pressure Rating

I.0Mpa 1.6Mpa 150LB

 Directional /Stem Type

Bi-directional/Rising Stem
leakage level

Soft seat:Zero Leakage

 Body Style

Wafer
Disc Material

Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092, BS etc.
Seat Material

Soft Seat: NBR, EPDM, NR etc.

 Port Type

Reduce Port
Design Standard

MFR Standard

 Test Standard

MFR Standard
Face to Face

MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic, etc.
Application

Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical,Wastewater
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Ultra-thin design, beautiful appearance, light weight and compact structure, easy to install and use.

The valve is connected by clip-on, and the structure length is short, which can reduce the weight of the entire pipeline system.

The bottom of the gate is smooth without any grooves to ensure that impurities do not accumulate.

The U-shaped sealing strip valve body is inlaid structure, which can prevent leakage caused by the movement of the sealing strip, so that the slurry valve can achieve two-way zero leakage sealing.

The bottom of the valve plate is a semi-circular arc, and after the valve is opened, it is a full flow channel.

No valve cavity structure, the medium will not accumulate.

Rubber Lined Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-24″/DN50-600mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)
Temperature Rating

Soft Seat: -40 ~ +120°C

 Stem material

Stainless steel
Pressure Rating

I.0Mpa 1.6Mpa 150LB

 Directional /Stem Type

Bi-directional /Rising Stem
leakage level

Soft seat:Zero Leakage

 Body Style

Wafer
Disc Material

Stainless steel,Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092, BS etc.
Seat Material

Soft Seat:Lined NBR,EPDM,NR etc.

 Port Type

Reduce Port
Design Standard

MFR Standard

 Test Standard

MFR Standard
Face to Face

MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic,etc
Application

coal slurry, ballast slurry, ore slurry,ball mill/crusher isolation, bottom ash isolation, circulating pump isolation, limestone slurry,ash slurry etc.
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Ultra-thin design, beautiful appearance, light weight and compact structure, easy to install and use.

The valve is connected by clip-on, and the structure length is short, which can reduce the weight of the entire pipeline system.

The bottom of the gate is smooth without any grooves to ensure that impurities do not accumulate.

The U-shaped sealing strip valve body is inlaid structure, which can prevent leakage caused by the movement of the sealing strip, so that the slurry valve can achieve two-way zero leakage sealing.

The sealing of the valve adopts the side sealing structure, and the two-way sealing is realized on the three sides of the valve plate through the sealing strip embedded in the valve body and keeping smooth and consistent with the surface of the valve body.

The bottom of the valve plate is a semi-circular arc, and after the valve is opened, it is a full flow channel.

No valve cavity structure, the medium will not accumulate.

The flow channel and sealing surface are made of vulcanized wear-resistant rubber, which has better wear resistance and erosion resistance.

Rubber Lined Wafer Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-18″/DN50-450mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)
Temperature Rating

Soft Seat: -29 ~ +180°C

 Stem material

Stainless steel
Pressure Rating

I.0Mpa 150LB

 Directional /Stem Type

Bi-directional /Rising Stem
leakage level

Soft seat: Zero Leakage

 Body Style

Wafer
Disc Material

Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092 etc.
Seat Material

Soft Seat: NBR, EPDM

 Port Type

Full Port
Design Standard

MFR Standard

 Test Standard

MFR Standard
Face to Face

MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic etc
Application

Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Face to face dimensions adopt short series, and light weight valve is adopted, so as to save pipe supporter.

The valve body provides a continuous flow direction, which means that in the open position, it will not produce cavities, so it will not fluctuate in the medium, and the load loss is minimal.

Full bore design provides flow rate with low pressure drop.

The internal design will not accumulate solids in the seat area.

The valve seat is composed of two rubber ferrules symmetrically located on both sides of the valve body. The material is natural rubber, and there is a metal core inside to help keep the shape from deformation. The elasticity of the ferrule ensures that they are permanently connected to prevent solid accumulation between the two parts of the valve body.

This valve is designed for wear-resistant cut-off, and the ferrule protects the valve body.

For maintenance, the ferrule can be replaced and taken out from the outside of the valve body, making the operation easier.

The standard packing is composed of a specially designed EPDM “V” ring, which provides the overall water seal between the body disc to prevent various kinds of leakage. It also has a grease packing strip to help the operation of the open and close. They can be replaced at an easily accessible position without dismantling the valve on the pipeline.

Polyurethane Lined Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-24″/DN50-600mm

 Main Material

Cast iron
Temperature Rating

Soft Seat: -40 ~ +80°C

 Stem material

Stainless steel
Pressure Rating

I.0Mpa 1.6Mpa 150LB

 Directional /Stem Type

Bi-directional /Rising Stem
leakage level

Soft seat: Zero Leakage

 Body Style

Wafer
Disc Material

Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092,etc.
Seat Material

Soft Seat: PU

 Port Type

Reduce Port
Design Standard

MSS SP-81, MFR Standard

 Test Standard

MFR Standard
Face to Face

MSS SP-81, MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic,etc
Application

Mineral Processing, Power Plant, Waste Water Treatment, Paper Industries, Food Industries
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Face to face dimensions adopt short series, and light weight valve is adopted, so as to save pipe supporter.

All port lined PU and it is used to wrap all media in the PU liner to achieve without dead angle.

The seat and disc are designed into a unique self-flushing structure to prevent sedimentation and jamming during the closing process.

The valve with a scraper to clean the valve disc, to prevent the surface of the disc from caking and reduce the switching resistance.

The design of easy to replace consumable parts enables the PU lined and disc to be replaced on site, which is efficient and energy-saving

 

Points

Polyurethane is a kind of polymer containing urethane type repeating structural unit in the macromolecular chain.

It has super wear resistance. In the immersion state, the wear resistance is 8 times that of cemented carbide steel, 7 times that of vulcanized rubber, and 3 times that of ultrahigh molecular polyethylene.

Rubber Lined Flange Type Knife Gate Valve

Technical Specifications
Size Range

NPS2″-16″/DN50-400mm

 Main Material

Cast iron
Temperature Rating

Soft Seat: -29 ~ +180°C

 Stem material

Stainless steel
Pressure Rating

I.0Mpa

 Directional /Stem Type

Bi-directional /Rising Stem
leakage level

Soft seat: /

 Body Style

Wafer
Disc Material

Stainless steel, Duplex steel etc.

 Flange Drilling

BS etc.
Seat Material

Soft Seat: NBR, EPDM

 Port Type

Full Port
Design Standard

MFR Standard

 Test Standard

MFR Standard
Face to Face

MFR Standard

 Operation

Handwheel, Worm Gear, Electric, Pneumatic etc
Application 

Power, Mining, Pulp & Paper, Cement, Carbon Black, Chemical
Other

The carefully selected materials and contemporary design make our knife gate valve highly recognized.

If our knife valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Channel without cavity,will not accumulate solids.

Channel and Flange RF surface is rubber lined,wearable.

Bi-directional seal.

No metal Parts in contact with the flowing media when the valve is in the full open position.

Field replaceable heavy duty elastomer sleeve.

The top bracket accept manual,pneumatic or electric for easy conversion.

Yoke design which consists of two plates that fully encloses the gate, spindle and Splatter that protects these components from slurry splatter that can harden and affect the operation of the valve.

Sleeve Type Soft Sealing Plug Valve

Technical Specifications
Size Range

NPS 1/2″-24″ / DN15-600mm

 Main Material

Carbon Steel, Stainless Steel, Aluminum Bronze, Duplex Steel etc.
(Other materials are available under request.)
Temperature Rating

-29 ~ +180°C

 Stem Material

Stainless Steel
Pressure Rating

I.0Mpa ~ 4.0Mpa  150LB ~ 600LB

 Leakage Level

Zero Leakage
Plug Material

Carbon Steel, Stainless Steel, Duplex Steel etc.

 Flange Drilling

ASME B16.5, EN1092, GOST 33259, BS etc.
Seat Material

PTFE,RPTFE

 Port Type

Reduce Port
Design Standard

API599, API 6D, ASME B16.34

 Test Standard

API 598, EN12266-1, ISO 5208, API 6D
Face to Face

API 16.10, EN558-1, API 599

 Operation

Lever, Worm Gear, Electric, Pneumatic, etc.
Application

On the pipelines of various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and electric power industries, cut off or connect the pipeline medium.
Other

The carefully selected materials and contemporary design make our plug valve highly recognized.

If our Plug Valve cannot meet your choice, we can provide you with special made.

 

Chief Features

The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance;

Its tightness is achieved by the sealing surface around the ferrule. Unique 360°metal lip secures the ferrule.

The valve has no cavity for media to accumulate.

The metal lip provides self-cleaning when the plug rotates and is suitable for viscous and fouling-prone conditions.

Two-way flow, more convenient to install and use.

Plug Valves With Single Or Double Flush

Main Structural Features

1/ The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance.

2/ Its sealing is realized by the sealing face of the sleeve. It has particular 360 degrees metal edge for protection and fixing of the sleeve.

3/ There is no cavity in the valve for accumulation of medium.

4/ Metal edge provides the function of self- cleaning when the plug is rotated, applicable to the operation condition that is glutinous and easy to scale.

5/ Its characteristic double-direction flow makes installation and use more convenient.

6/ The materials of the parts and sizes of flanges can be reasonably configured according to the actual operation condition of the requirements of the customers, so as to meet the various needs of engineering.

 

 

Technical Specification
Structural formation

BC

 Driving manner

Wrench wheel, worm & worm gear, pneumatic, electric-actuated
Design standard

API599, API6D

 Face to face

ASME B16.10
Flange ends

ASME B16.5

 Test & inspection

API598, API6D

Note: the size of valve connecting flange can be designed according to customers’ requirement.

 

Products Performance Specification
Nominal pressure (LB) Shell test (MPa) Sealing test (MPa) Suitable temp. (℃) Suitable medium
150 9 2.2 ≤180℃ Water oil & gas
300 7.5 5.5
600 15 11
900 22.5 16.5

 

Technical Specification
NPS Nominal diameter (in) 150LB (SINGLE FLUSH) NPS Nominal diameter (in) 150LB (DOUBLE FLUSH)
A B Φ A B C Φ
2 216 278 54.8 2 432 115 278 54.8
3 305 278 82.8 3 585 140 293 82.8
4 356 293 108.2 4 686 150 308 108.2
6 432 308 161.5 6 842 200 320 161.5
8 508 320 211.6 8 970 270 270 211.6
10 572 333 264.7 10 1144 350 350 264.7
300LB (SINGLE FLUSH) 300LB (DOUBLE FLUSH)
2 216 278 54.8 2 432 115 278 54.8
3 305 278 82.8 3 585 140 293 82.8
4 356 293 108.2 4 686 150 308 108.2
6 432 308 161.5 6 842 200 320 161.5
8 508 320 211.6 8 970 270 270 211.6
10 572 333 264.7 10 1144 350 350 264.7

3-Way 4-Way Plug Valve

Main Structural Features

According to different conditions,the 3-way,4-way plug valves can be designed into diverse media flowing forms (such as L-type, T-type, etc.), various materials and various sealing forms (such as metal seal, sleeve type seal, lubricated seal, etc.) .

 

Technical Specification
Structural formation

BC

 Driving manner

Wrench wheel, worm ＆ worm geer, pneumatic, electric-actuated
Design standard

API599、API6D、 GB12240

 Face to face

ASME B16.10, GB12221, DIN3202
Flange ends

ASME B16.5, JB79, GB9113, DIN2543-2545

 Test & inspection

API598, API6D, GB13927, DIN3230

 

Products Performance Specification
Nominal pressure (LB) Shell test (MPa) Sealing test (MPa) Nominal pressure (LB) Shell test (MPa) Sealing test (MPa)
150 3.0 2.2 1.6 2.4 1.76
300 7.5 5.5 2.5 3.75 2.75
600 15.0 11.0 4.0 6.0 4.4
900 22.5 16.5 6.4 9.6 7.04
10.0 15.0 11.0
16.0 24.0 17.6

 

Inverted Pressure Balance Lubricated Plug Valve

Technical Specifications
Size Range

NPS1/2″-32″ / DN15-800mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)
Temperature Rating

-29 ~ +80°C

 Stem Material

Stainless steel
Pressure Rating

I.0Mpa ~ 42.0Mpa  150LB ~ 2500LB

 Leakage Level

Metal Seat: Class D~E
Plug Material

Carbon Steel, Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092, GOST 33259, BS etc.
Seat Material

Metal Seat: Same to Body,STL etc.

 Port Type

Reduce Port, Full Port
Design Standard

API599, API 6D, ASME B16.34

 Test Standard

API 598, EN12266-1, ISO 5208
Face to Face

API 16.10,EN558-1

 Operation

Lever, Worm Gear, Electric, Pneumatic etc
Application

Oil and Gas Pipeline, blow-downs to atmosphere Compressors & Pumps Isolations, Water/Slurry/Gas Injection system isolation
Other

The carefully selected materials and contemporary design make our plug valve highly recognized.

If our Plug Valve cannot meet your choice, we can provide you with special made.

 

Chief Features

The valve has reasonable structure, reliable sealing, excellent performance and beautiful appearance.

Inverted pressure balance structure, light switch action.

There is an oil groove between the valve body and the sealing surface, which can inject grease into the valve seat at any time through the nozzle to increase the sealing performance.

Eccentric Plug Valve

Technical Specifications
Size Range

NPS 1/2″-32″ / DN15-800mm

 Main Material

Carbon steel, Stainless Steel, Aluminum Bronze, Duplex steel etc.
(Other materials are available under request.)
Temperature Rating

-29 ~ +180°C

 Stem Material

Stainless Steel
Pressure Rating

I.0Mpa ~ 6.4Mpa  150LB ~ 900LB

 Leakage Level

Zero Leakage
Plug Material

Carbon Steel, Stainless steel, Duplex steel etc.

 Flange Drilling

ASME B16.5, EN1092, GOST 33259, BS etc.
Seat Material

Soft Seat

 Body Style

Double Flange, Butter Wutt Weld
Design Standard

API599, API 6D, ASME B16.34

 Test Standard

API 598, EN12266-1, ISO 5208, API 6D
Face to Face

API 16.10, EN558-1, API 599

 Operation

Lever, Worm Gear, Electric, Pneumatic, etc.
Application

On the pipelines of various working conditions such as petroleum, chemical, pharmaceutical, fertilizer, and electric power industries, cut off or connect the pipeline medium.
Other

The carefully selected materials and contemporary design make our plug valve highly recognized.

If our Plug Valve cannot meet your choice, we can provide you with special made.

 

Chief Features

Double eccentric design, low friction opening and closing, ensuring zero leakage.

Welded-in stainless steel ( 90% nickel,thickness 3mm), or high-performance resin valve seat can meet a variety of corrosion resistance requirements.

The V-shaped seal ring can be replaced on line without disassembling the operator.

The self-lubricating bearing provides very easy operation and low operation wearing.

Cast steel plug wholly covered with rubber, needn’t worry about the rubber peeling,erosion and corrosion.

O-ring seals between bonnet and body,provide easy maintenance.

It has ideal linear curve can be used as a regulating valve.

Provide valve inlet and outlet pressure tapping,so as to control and measure flow.

Straight through flow design and cylindrical valve body can meet max.flow capacity requirements without deposits.

The pressure gauge connector at the inlet and outlet of the valve is provided to facilitate the user to control and measure the flow.

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