Ductile Iron Bidirectional Metal Seat Knife Gate Valve

Our company constantly take 'meet customer demand' as the business purpose, we continue to promote the application of Cast Steel Lift Check Valve, Forged Swing Check Valve, Inconel 625 Check Valve for the enterprise's long-term business strategy. If there is anything we will do to suit your needs, we shall be additional than pleased to do so. We always adhere to a high starting point and high requirements, so that our products are leading in technology. Our company has become a global manufacturing company while founded in China, facing the world. Through deepening system reforms and the needs of current enterprise development, our company introduces modern management tools, oriented toward serving customers, improving production capacity and quality.

Product Details

NSV One piece cast body Bi-Directional Resilient Seated Knife Gate Valve features a unique, patented perimeter seat design that provides bubble-tight shutoff in either direction, even on dead end service. The valve is designed for isolation and on/off applications in the paper, chemical, mining, power and waste water industries. It is designed to handle clean, dirty, viscous and corrosive liquids, sludge, fibrous slurries, clean and corrosive gases.

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 32"(DN50 to DN800,larger diameters on request)

Flange Connection

EN1092 PN10,PN16,PN25
ANSI B16.5 (class 125,150)

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

Seat: Resilient Seat
Operation: Handwheel, Gear, Pneumatic, Hydrau-Pneumatic and Electric etc.

Bi-directional knife gate valves will seat on either side of the gate and operate with back pressures, providing adequate water tightness and has a tendency of avoiding any build-up of solids that could prevent the valve from closing. The Bi-directional valve is generally more expensive, and you can expect to pay up to 30% more. Bi-directional valves tend to have a lower torque/thrust over the Uni-directional valves and they have the added advantage of being able to be fitted on “end of line”.

FAQ

1. Q:Does “NSV” valves have supply to any value end user?

A:Yes,it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc

2. 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.

3. Q: What’s your payment terms?

A: As our company’s policy, we normally have bellow 3 payment terms,it also can negotiation both parties before confirm order.
1) 100% T/T or West Union in advance that order value within $2,000.00USD.

2)30% T/T advance+70% balance after the shipment for the order value above $2,000.00USD.

3)L/C at sight for the order value above $50,000.00USD.

We plan to reduce the manufacturing cost of Ductile Iron Bidirectional Metal Seat Knife Gate Valve products through continuous technological innovation and expansion of production scale. We adhere to the development concept of 'technology-based, quality first', and will provide customers with better products and services through continuous improvement, innovation and absorption of new technologies. Our company always adhere to the 'customer first, quality first' service tenet, and constantly improve professional services to meet the various needs of customers.