Cast Iron Knife Gate Valve

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.

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