4"-40" CF8m SS304 Wafer Bonnet Knife Gate Valve with Electric Actuator

Relying on advanced technology and perfect after-sales service system, our company integrates the series products of Gate Valves, BB Forged Gate Valve, Cast Trunnion Ball Valve, serving the society and meeting the needs of our customers. We are well aware that only by constantly working hard to improve our product price-performance ratio and service level, customers will have no worries in any link of pre-sales, in-sales and after-sales. We are advancing steadily in the highly competitive market with the posture of high technology, high quality and high requirements. Our company will continue to improve and supplement the quality management system according to international standards, so that our quality management and quality assurance ability can continuously create greater economic benefits.

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.

We have always been the pursuit of excellence in the quality and perfect service, continuously strengthen exchanges and cooperation with famous experts at home and abroad, and vigorously develop 4"-40" CF8m SS304 Wafer Bonnet Knife Gate Valve with Electric Actuator. Looking forward to the future, our company will seize the opportunity to increase independent product innovation, accelerate domestic and international market share and realize scale economy and leapfrog development. We look forward to promote the industrialization, commercialization and maximization of technological innovation achievements, and continuously enhance the core competitiveness of enterprises.