Wafer Lug Knife Gate Valve

Our company is committed to be professional supplier in the field of A494 CW6MC Ball Valve, Tilting Disc Wafer Check Valve, Metal Seated Floating Ball Valve to provide customers with diversified services. Various business resources such as product development, technical capabilities, human resources training, global system, flexible response capabilities, and collaboration with business partners, represented by an independent product manufacturing system, support our company's value creation. Our factory has always followed the tenet of 'quality first, reputation first', stick to the implementation of brand strategy, and constantly launch new products to meet the needs of customers.

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.

Our company always focus on devloping the concept of 'Ability comes from Quality', and continues to reform technique and management and has set up offices in many cities at home and aboard. We will try our best to meet the requirements from worldwide customers with high-quality Wafer Lug Knife Gate Valve and good after-sales service. For a long time, our company adheres to the policy of 'bringing in and going out' in technology exchange and strategic cooperation. We actively participate in the business development of customers with our own advantages in scale, quality and service.