40"-80" Ggg40/Wcb Casted/Welded Knife Gate Valve with Electric / Motorised Actuator

Our company has always been adhering to the service tenet of 'unity, pragmatism, innovation, and integrity'. With high-quality, low-cost products, excellent service, and years of hard work by all employees, our company has developed into a professional manufacturer of Top Entry Ball Valves, Nickel Alloy Valves, Lug Concentric Butterfly Valve. In the process of customer use, we provide customers with convenient and effective solutions, and our sales network is all over the world. We have always adhered to the orientation of meeting the needs of users, providing users with high-quality products, creating a superior living environment for employees, achieving a win-win situation with partners, and striving to become an excellent company that is trusted and respected by the society. Our company renovates the technology, pays attention to the overall performance to meet the needs of customers for our pursuit of high goals.

Product Details

NSV Electric knife gate valve has the advantages of simple and compact structure, reasonable design, light material saving, reliable sealing, flexible operation, small volume, smooth passage, low flow resistance, light weight, easy to install and disassemble, etc., it can work normally under the working pressure of 1.0MPa-2.5MPa and the operating temperature of -29-650℃. Knife-type gate valve has the function of shearing, which can scrape off the adhesive on the sealing surface and remove the sundries automatically. Stainless steel gate can prevent sealing leakage caused by corrosion.

Applicable Standard
Design Standard: MSS SP-81, ANSI, API, ISO, DIN, EN, JIS etc.
End Flange: ASME B16.5, ASME B16.47, DIN2533

Products Range
Size: 2" to 48"(DN50 to DN1200,larger diameters on request)

Flange Connection

EN1092 PN10,PN16,PN25
ANSI B16.5 (class 125,150)

Working Pressure

DN 50 to DN 250: 10 bar
DN 300 to DN 400: 6 bar
DN 450: 5 bar
DN 500 to DN 600: 4 bar
DN 700 to DN 1200: 2 bar

Materials
Body Materials: Ductile Iron, Stainless Steel,Duplex and Special Alloys
Knife Gate: Stainless Steel, Duplex and Special Alloys

Seat: Soft(EPDM,NBR,PTFE) or Metal Seat
Operation: Electric actuator.

Precautionary Measures

Valve Position

The valve can be assembled in any position,however we recommend suitable position as bellow:

Knife gate valve assembly way

The valve is unidirectional is must be installed with the pressure which push the knife on the gasket.The flow direction is user responsility.Please assemble the valve following the arrow on the body(hydraulics applications).

Repair and Maintenance

Take old packing out

Put 3 layers of packing in the place

Note that each joint of the packing should be in different places

FAQ

1.Q: What’s the brand of your company manufacture ?

A:NSV or OEM service

2. Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

3. Q: What’s the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

40"-80" Ggg40/Wcb Casted/Welded Knife Gate Valve with Electric / Motorised Actuator are mainly exported to all parts of the world, our company are in line with the business philosophy of 'survival by quality and reputation' and our company has won the unanimous praise of our customers for many years. Our future development direction will continue to intensify efforts to introduce technology and professional talents. Through the implementation of standardized service management, high quality and low price products and the use of advanced marketing means, we have won the trust and support of our customers.