Bidirectional Wafer/Flange Knife Gate Valve for Mining Industry

We're committed to providing easy, time-saving and money-saving one-stop purchasing service of consumer for Cast Steel Swing Check Valve, Inconel 600 Gate Valve, Nickel Alloy Valves. With the rapid development of economic globalization and the formation of emerging markets, we must strive to develop innovation and rely on technology to win if we want to take advantage. We adhere to the tenet of quality for survival and innovation for development, and vigorously introduces domestic and foreign talents, technology and production equipment.

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 insist on proceeding from reality, studying the market trend down-to-earth, and focusing on the quality of Bidirectional Wafer/Flange Knife Gate Valve for Mining Industry. We have successfully set up a professional team with a rational structure, strong technical force and excellent quality. The remarkable characteristics are the source of our company's sustainable growth and advantageous development.