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Lug Type Concentric Butterfly Valve

Lug Type Concentric Butterfly Valve

Butterfly Valves are excellence design in a variety of applications, cast in both wafer and lug patterns, which features a one-piece body for minimum weight and maximum strength and unique stem hole to ensure a dry stem work.
Product Details

Lug Type Concentric Butterfly Valve


PRODUCT DETAILS



Main Feature
The turning center of the butterfly plate is on the center line of the valve body and the sealing face section of the butterfly plate. In closing, the ex-circle sealing face of the butterfly plate will extrude the valve seat made of synthetic rubber, generating elastic deformation on the seat to form an elastic force used as a sealing specific pressure so as to guarantee the tightness of the butterfly valve.

Main Parameter Specification
Design and Manufacture:API 609, MSS SP-67, GB/T 12238
Face to Face Dimension:API609,GB/T 12224
Flange Connection Dimension:ASME B16.1,ASME B15.5,ASME B16.47,BS4504,GB/T 9113,JB/T 79
Test and Inspection:API 598,JB/T 9092,GB/T 13927
Pressure Temperature Rating:API 609,GB/T 12224

Product Range
Size: DN50-1200
Pressure: PN1.0/1.6MPa
Body: Ductile iron/SS316/304/WCB etc
Disc: Ductile iron/SS316/305/Aluminum-bronze/Ductile iron, nickle plated etc
Stem: SS416/420 etc
Seat: EPDM, NBR, VITON
Painting: Expoxy paint
Methods of operation: Gear wheel/Electric actuator
Medium: Water/Sea water/Wash water/Oil
Temperature Range: -45-+135

 
 Main Parts Materials

NameMaterial
BodyCast Iron  Ductile Iron  Carbon Steel  Stainless Steel  AL-Bronze
DiscDuctile Iron  Carbon Steel Stainless Steel  AL-Bronze
ShaftStainless Steel  Monel K500
SeatBUNA  NBR  EPDM  VITON  PTFE  HEPDM  Neoprene  Hypalon Natural rubber


Main characteristics of the products

1.butterfly valve is single and compact in structure and light in weight, and easy for assembly and disassembly.
2. The operating torque of it is small, then tuing 90(it can open or clese with light and fast action)
3. It is small in flowing resistance and good in energy-savinng effect, with discharge characteristic approximating inxlined straight line.
4. It is featured by reliable sealing, zero leakage with ten thousands of opening and closing time
5. The valve can be made of various materials, adapted to all kinds of media.
6. It is used in the piplinge and vessels for conbwying various corrosive and mon-corrosice flui media in the engineering systems of water supply, generating, petroleum, gas, environmental protection and also for regulating and cutting off the off the floeing of media.


PRODUCT

1610693606(1)(1)

WORKSHOP

214

INSPECTION

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FAQ:
Q: Are you trading company or manufacturer ?
A: We are a professional valve factory Located In Wenzhou,Yongjia, China.
Q: What's Execution Standard of products?
A: ISO,ANSI,AWWA,API,DIN,BS,JIS,EN,GOST,AS standard.
Q: How long is your delivery time?
A: Generally it is 15 days if the goods are in stock. It is 25-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, Welcome sample order to test and check the quality of products. The sample amount is less than $100, the product cost is free, and the customer needs to pay the express delivery fee. If the sample amount is higher than $100, and the sample cost and express delivery fee need to be negotiated by both parties.

Q: What is your terms of payment ?
A: 30% T/T in advance ,70% balance before shipment or see copy of bill of lading.

Q: Can you OEM or ODM?
A:Yes, we have a strong research & development team. The products can be made according to your request.
Q: Can you provide the relevant documentation and certificate?
A:Yes, We can provide the international certificates and relevant chemical analysis, mechanical properties, pressure test reports according to the customers need.
Q: What is your terms of delivery?
A: We accept EXW,FOB,CIF etc.
8. How to deal with after sales ?
A: warranty time : 18months from the shipment ; and we will be responsible for all the quality problems. We will provide process guidance services, replacement parts, on-site guidance and maintenance services. (both parties shall negotiate the relevant expenses)


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