Flange Double Offset Butterfly Valve
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Flange Double Offset Butterfly Valve

Milestone Valve Co. Ltd. is a manufacturer specializing in the production of valves. It independently designs, develops, and produces various industrial valves such as butterfly valves, gate valves, ball valves, and check valves; among them, the self-designed Flange double offset butterfly valve has greatly eliminated the structure Excessive squeezing and scraping between the disc and the valve seat can reduce the opening resistance, reduce wear, and increase sealing performance and service life; Flange double offset butterfly valve is mainly used in petroleum, metallurgy, water treatment, water supply and drainage and other fields.

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Product Description

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1.Introduction of Flange Double Offset Butterfly Valve

Milestone Valve Co. Ltd. is a manufacturer specializing in the production of valves. It independently designs, develops, and produces various industrial valves such as butterfly valves, gate valves, ball valves, and check valves; among them, the self-designed Flange double offset butterfly valve has greatly eliminated the structure Excessive squeezing and scraping between the disc and the valve seat can reduce the opening resistance, reduce wear, and increase sealing performance and service life; Flange double offset butterfly valve is mainly used in petroleum, metallurgy, water treatment, water supply and drainage and other fields.


2. Technical Parameters of Flange Double Offset Butterfly Valve

Type of Valve
Flange double offset butterfly valve
DN
DN100~DN4000
PN(MPa)
0.6~1.6
Design Temperature Range
-10℃~250℃
Applicable Medium
Water, oil, gas, and various corrosion medium
Connection type:
Flanged
Actuator type
Manual drive, Pneumatic, Hydraulic or electric Actuator
Structure
Double eccentric
Sealing
Metal Hard Seal, Soft seal

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.Structural Features of Flange Double Offset Butterfly Valve

1) Flange double offset butterfly valve adopts double eccentric structure, which has a longer service life than the centerline butterfly valve;
2) Flange double offset butterfly valve uses a soft T-shaped multi-layer stainless steel sheet on both sides to form a sealing ring, which has the dual advantages of metal hard and soft sealing, and has zero leakage sealing performance regardless of low temperature and high temperature.
3) Flange double offset butterfly valve two-stage valve stem design increases the flow area and reduces the flow resistance;
4) Flange double offset butterfly valve is designed with a labor-saving device at the bottom of the valve stem, and the operating torque is smaller;
5) The structure length of the flange double offset butterfly valve conforms to the EN 558-1 20 series standard, and the actuator connection conforms to the ISO5211 standard;



4.Application Range of Flange Double Offset Butterfly Valve

Flange double offset butterfly valve is mainly used for drainage of water plants, power plants, steel smelting, chemical engineering, water source engineering, environmental facility construction and other systems, especially suitable for water pipelines, as regulating and intercepting equipment.

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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