Full Bore Butterfly Valve
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Full Bore Butterfly Valve

The full bore butterfly valve has an internal flow channel of sufficient size to allow the flow of material to pass through without any obvious restriction, and the internal flow is equal to the full area of the inlet; the Full bore butterfly valve is mainly used for on-off and open circuit conditions, where the logistics must be stopped or dedicated . The Full bore butterfly valve produced by Milestone Valve Company has excellent quality, stable performance and good sealing performance, and is widely used in water supply and drainage, petroleum, chemical, construction, medicine, food and other fields.

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Product Description
Customized Full Bore Butterfly Valve Manufacturers, Suppliers and Factory with Low Price

1.Introduction of Full bore butterfly valve

The full bore butterfly valve has an internal flow channel of sufficient size to allow the flow of material to pass through without any obvious restriction, and the internal flow is equal to the full area of the inlet; the Full bore butterfly valve is mainly used for on-off and open circuit conditions, where the logistics must be stopped or dedicated . The Full bore butterfly valve produced by Milestone Valve Company has excellent quality, stable performance and good sealing performance, and is widely used in water supply and drainage, petroleum, chemical, construction, medicine, food and other fields.

Full Bore Butterfly Valve


2.Technical parameters of Full bore butterfly valve:

Type of Valve Full-bore butterfly valve
DN DN50~DN4000
PN(MPa) 0.6~1.6
Design Temperature Range -15℃~150℃
Connection type: Flanged, Wafer ,Butt weld, Lug
Actuator type Manual drive, Pneumatic, Hydraulic or electric Actuator
Sealing Soft seal, Metal Hard Seal
Applicable Medium Water, oil, gas, and various corrosion medium

Material of main parts

Spare Parts Material
Body Gray Iron, Ductile Iron, Al-bronze,
Stainless Steel, Carbon steel
Disc Ductile iron, Stainless Steel, Al-bronze
Shaft Cast Iron, Stainless Steel
Seat Rubber, stainless steel, stellite
Stem Stainless steel, duplex steel
Sealing O-ring, NBR, EPDM, FKM

3.Full bore butterfly valve is classified according to the connection method:

1)The flange type Full bore butterfly valve is a vertical plate structure. There are two integrally cast flanges on both sides of the butterfly valve, which are directly connected to the pipeline flange. They are manufactured by the same standard. Such a butterfly valve is also called a double flange. Butterfly valve

Full Bore Butterfly Valve

2)The wafer type Full bore butterfly valve is installed in the diameter direction of the pipe, and the valve is fully open. The four holes on the valve body are used for positioning, and the processing standards for the four holes are the same as the pipe flange standards. Use two flanges on the pipe to clamp the butterfly plate and fix it with bolts. , Wafer type Full bore butterfly valve has simple structure, small size and light weight, so it is the most widely applicable and most sold connection method.

Full Bore Butterfly Valve

3)The lug type Full bore butterfly valve is based on the wafer type Full bore butterfly valve, which completes the pressure holes on all flanges. The installation method is similar to the wafer butterfly valve.

Full Bore Butterfly Valve

4)Butt-welding type Full bore butterfly valve is that both the pipe and the butterfly valve are processed with a groove, and the groove can be completed by electric welding. After cooling, the butterfly valve is completely welded to the pipeline. Such a butterfly valve requires great quality requirements. If an accident occurs, the butterfly valve needs to be disassembled, and the valve needs to be cut off as a whole, and the maintenance cost is very high.

Full Bore Butterfly Valve


4.Application fields of full bore butterfly valve:


5.Packaging and Delivery


6. FAQ

1. Can i have a sample order for valve ?
A: Yes, we welcome sample order to test and check the quality, Mixed sample are accepted.
2. Do you have any MOQ limit for valve order ?
A: Low MOQ, 1 PC for sample checking is avaible.
3. Could you offer OEM service ?
A: Yes, OEM is availble.
4. How about the payment ?
A: We normally accept 30% deposit, and balance will be paid before shipping. L7C is OK
5. Whafs the delivery time of your butterfly valves?
A: For most of the sizes,DN50-DN600,we have stock of valve parts,it*s possible to deliver in 1-3 weeks,to nearest seaport Tianjin.
6. Whafs the warranty of your products?
A:We normally offer 12 months of warranty in service or 18 months since shipping date.
7. What is your products standardization?
A: GB/T12238-2008, JBfT 8527-1997, API 609,EN 593-1998, DIN 85003-3-1997


7. Contact Information





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