
API High Performance Knife Gate Valve
With advanced equipment and superb craftsmanship, we focus on the development and production of Forged Lubricated Plug Valve, Cast Top Entry Ball Valve, Cast Check Valves, and strive to meet the different needs of users through continuous practice and innovation. We always listen to the voice of customers, timely solve the problems of customers and constantly improve and enhance the quality of products to meet the new needs of the market. For further information, please don't hesitate to contact with us.
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
Normally customer-oriented, and it's our ultimate concentrate on for API High Performance Knife Gate Valve. Our company will adhere to the long-term service concept of 'use our efforts to create customers' brilliance', and look forward to developing more extensive cooperation with customers all over the world. The 'honest spirit' we stick to is to treat people with sincerity and work together with faith.
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