Flange Type Cast Iron Bidirectional Knife Gate Valve with CE Certificated

We are insisting on using integrated industry chain optimization to enhance core competitiveness so that we can continuously improve the quality of Forged Swing Check Valve, Pneumatic Actuator Butterfly Valve, Cast Gate Valves. We already have an excellent reputation and influence in the industry after years of hard work and development. We actively improve the management level and production capacity, so that we always maintain competitiveness in the fierce market competition, and achieve rapid and stable development. We have established a long-term and stable cooperative relationship with many enterprises, and our hard work has been widely recognized and praised by people all walks of life!

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 independently research and develop on the basis of introducing and digesting foreign advanced technology, constantly innovate and forge ahead, and strive to create a domestic first-class Flange Type Cast Iron Bidirectional Knife Gate Valve with CE Certificated brand. In terms of fire safety, the company replaced and added a large number of fire-fighting facilities in production workshops, office spaces, and living areas. We are willing to sincerely provide users with perfect service with good products and perfect service concept.