Cast Iron Knife Gate Valves

Our company adheres to the development and innovation, keeps improving, and its production and sales increase year by year, and has become an advanced enterprise in the 5A Safety Valve, Cryogenic Forged Globe Valve, C95800 Gate Valve industry. Winning every customer in long-term common development is our unremitting pursuit. Let us cooperate hand in hand to make a good future. Our company adheres to the development concept of 'Integrity, Integrity, Responsibility', insists on leading the development of the enterprise with technological innovation, and provides customers with products that meet customer needs and services that exceed their expectations. We're ready to facial area the difficulties and make the transform to grasp many of the possibilities in international trade.

Product Details

NSV Ductile Iron Knife gate valve is widely used as a regulating and corrent-carrying device on various fluid pipelines of dregs in large enterprises such as sewage treatment,chemical industry,coal mining industry,paper-making industry,sugar-making industry,tap water,construction,food,electric power,medicine and energy system etc.

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
Knife Gate: Stainless Steel, Duplex and Special Alloys

Seat: Soft(EPDM,NBR,PTFE) or Metal Seat
Operation: Handwheel, Gear, Pneumatic, Hydrau-Pneumatic and Electric etc.

Design Features
1. Liftable sealing surface of wedge can scrape of f the adhered things on the sealing surface and automatically eliminate the impurities.
2. The Stainless steel wedge can prevent sealing leakage due to corrosion.
3. The integral stainless steel materials can prevent corrosion and damage.
4. The scientific back seal packing box design makes the bak seal safe, effective and durable.
5. The triangle supporter ensures necessary mechanical properties.

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:Is there have MOQ?

A：No.we can accept 1set,but there have additional cost $150.00(process of export) if the order value within $2000.00.

4. 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.

The quality of our Cast Iron Knife Gate Valves has reached the international leading standards of similar products, and has excellent durability and reliability. We believe that the company's stable economic growth needs to rely on the adoption of new technology and equipment and the improvement of labor culture and technology. Employees are the core of enterprise value creation, so our company respect employees and wish to develop together with them.