Bidirectional Knife Gate Valve for Wastewater

We take the high starting point, the high investment, the high quality as the development strategy, is takes the research and development, the manufacture, the sale and the after-sales service as a body A494 CW6MC Ball Valve, Titanium C2 Plug Valve, Lubricated Plug Valves manufacture enterprise. We believe with our consistently excellent service you can get the best performance and cost least goods from us for a long term. Our complete and stable production line and perfect quality inspection system, which can effectively guarantee product quality and production cycle in order to provide customers with high-quality products and services. We have achieved a simultaneous increase in popularity and reputation in the hearts of consumers. Combining the actual application needs of customers, we can provide effective application solutions, and a variety of R&D and design suggestions, as well as various customized products to fully meet the different needs of customers.

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.

The Bidirectional Knife Gate Valve for Wastewater we manufacture is under the guidance of highly skilled, proven and experienced supervisors. We take measure at any price to attain essentially the most up-to-date gear and procedures. While paying attention to the corporate image and the steady increase of comprehensive strength, our company always pursues the business philosophy of "pragmatic integrity, scientific and technological innovation".