Heavy Duty Kgd Slurry Knife Gate Valve with Pneumatic Actuator

We have always been adhering to the concept of 'being dedicated to customers, making products with heart, and being brave to innovate', and have developed the best Metal Seated Trunnion Ball Valve, Sleeve Plug Valves, Titanium F2 Globe Valve. You are welcome to buy. We take 'quality first, customer first' as our business tenet, and use high-quality products and good after-sales service as a strong backing for your business development. We warmly welcome new and old customers to our factory to discuss cooperation and seek common development. We will sincerely create and share success with all clients. We plan a lot of strength on development capabilities of new products, through which we work closely with relevant colleges and universities.

Product Details

NSV Pneumatic knife gate valve,it means that pneumatic actuator control the valves to open and close,which have up and down parts,up part is actuator,down part is knife gate valve.

Pneumatic 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, easy to disassemble and so on. 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)

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

Seat: Resilient(EPDM,NBR,PTFE) or Metal Seat
Operation: Pneumatic 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

Replacement of valve seat

A.Unscrewed packing gland and remove the gate

B.Remove retainer ring

C.Take the old EPDM ring out and clean it’s place

D.Put new EPDM ring in the place

E.Put ratainer on the EPDM ring

F.Put gate back and packing in valve body

G.Assemble the packing gland and tighten the screw

FAQ

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

A:NSV or OEM service

2. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.

3. Q:Are you manufacturer or trading company?

A: We’re manufacturer,but our factory name is not named NSV due to we’re professional in promotion NSV brand with best service,and also have sold to many end user success.

Our company has advanced manufacturing equipment, strong technical force and complete testing facilities. Our Heavy Duty Kgd Slurry Knife Gate Valve with Pneumatic Actuator are sold well in international and domestic markets. Our company adhere to the marketing line, we have a professional and efficient operation management team, mature and stable processing technology, strong and powerful after-sales service support. Our company has long-term friendly cooperation with large enterprises at home and abroad, and has the right of self import and export.