Wafer Type Metal or Hard Seated Triple Eccentric Butterfly Valve

Our company since its inception, always regards product quality as enterprise life, continuously improve production technology, improve product quality and continuously strengthen enterprise total quality management, in strict accordance with the national standard ISO 9001:2000 for 5A Safety Valve, Cast Iron Knife Gate Valve, PSB Cast Gate Valve. In the course of company's continuous development, we have accumulated rich industry experience, marketing resources and partnerships, and established a standardized customer service and guarantee system. Responsibility to customers, to yourself, to employees, to the company, and to society are the basic principles that all our employees abide by. We have now our very own manufacturing facility and sourcing place of work.

Product details

NSV Eccentric Wafer Butterfly Valve with the advantages of good corrosion resistance, reliable seal, small unsealed moment and so on, eccentric metal seal butterfly valve is increasingly applied extensively in various industries.It is now replacing traditional gate, globe & ball valve in many industries.

Applicable Standard
Design Standard: API 609, MSS SP-67, MSS SP-68, BS 5155
Face to Face: API 609, ASME B16.10, BS 5155, EN1092
End Connection: ASME B16.5, ASME B16.47
Inspection and Test: API 598

Products Range
Size: 2" ~ 36" (DN50 ~ DN900)
Rating: ANSI 150lb ~ 600lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.
Disc Sealing: PTFE, Graphite Laminated
Operation: Lever, Gear, Electric, Pneumatic, Hydraulic

Design Features
Triple eccentric design
Metal to metal,Rubber,PTFE seated
Frictionless closure
Blow-out proof shaft
Wafer Connection
ISO top flange

STRUCTURAL FEATURES

1.Simple structure, small sizes, light weight and low installation dimensions. According to the types of body connection, they are basically classified to wafer type(including lug wafer type), flanged and welded.

2. Multilayer Hard Seal Structure(See fig．right)
Multilayer hard seal structure is applicable. double and triple eccentric butterfly valves, pressure rating≤CLASS600．And triple eccentric butterfly valve can maintain bi-directional Ieak—tightness.Multilayer sealing ring is composite of stainless steel and nonmetal material. The nonmetal material can be flexible graphite。PTFE or non asbestos material etc. according to the actual working conditions.

INSTALLATION

FAQ

1.Q: What’s the brand of your company can supply ?

A:NSV or OEM service

2.Q: Do u provide sample,is it free or extra ?

A: Yes, we could offer the sample, due to its value,we can supply free sample that small value and you afford the freight,but also welcome visit our factory to inspect quality.

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 aim to create much more worth for our buyers with our abundant resources, highly developed machinery, experienced workers and great providers for Wafer Type Metal or Hard Seated Triple Eccentric Butterfly Valve. We are willing to make friends with people from all walks of life and work together for common development and opening up new fields! We insist on 'building reputation with quality, occupying the market with brand, striving for development by innovation, and obtaining benefit by scale'.