International Standard Industrial Knife Valve

Our 5A Gate Valve, Lug Concentric Butterfly Valve, Hastelloy C276 Gate Valve is stable, safe and reliable, complete in specifications and diverse in variety. Our factory direct sales have significant advantages over other manufacturers in terms of price, quality, delivery time, and after-sales service. We are determined to provide customers with advanced technology, mature products, standardized engineering and high-quality after-sales service to achieve the goal of win-win for customers, enterprises and society. It is important to be open and practical, and actively absorb other company's cooperation and development experience. Guided by the market, we continuously research and develop new products.

Product Details

NSV Unidirectional Knife Gate Valve design One piece cast body with guides to support gate and seat wedges. Provides high flow rates with low pressure drop and include various seat and packing materials available. Face to face dimension in accordance with NSV standard. An arrow is marked on the body indicating the flow direction. This knife gate valve is suitable for liquids that contain a maximum of 5% suspended solids..Designed for applications such as:

Paper Industry, Mining, Silo emptying, Chemical plants, Bumping Food, Industry Sewage treatment.

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)

Materials
Body Materials: Ductile Iron, Cast Steel, Stainless Steel, Duplex and Special Alloys
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. The scientific back seal packing box design makes the bak seal safe, effective and durable.
2. The triangle supporter ensures necessary mechanical properties.
3. V shape wedge can serve as control valve.
4. The guide block on the valve body enables the wedge to move correctly and extrusion block provides effective sealing for the wedge.
5. The design of valve body reinforcing rib can enhance the body strength.

FAQ

1. Q:What’s the packing for shipping?

A:Its carton for small valves(sample) and plywood case(don’t to fumigate).

2. 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.

3. 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.

4. 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

Quality, speed, focus, professionalism and innovation are the service concepts of our company. We have gradually established a good reputation in the field of International Standard Industrial Knife Valve over the years. With a wide range, top quality, realistic costs and good company, we are going to be your most effective company partner. We ensure "zero-defect" production at every station of every process.