Double Eccentric Double Flange Butterfly Valve

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Product Description:


Double Eccentric Double Flange Butterfly Valve

70% market share in Middle east


The main export product of our company 


Butterfly valve, rubber seated.


double flange, double eccentric,


Manufacture EN593


Face to face length ISO5752 series 13/14


Flange DIN2501


Body and disc of DI, CS, SS


Shaft of SS


Seat of rubber.


with bare shaft, manual, gear, electric, pneumatic or others.

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Q:What does the pipe connector type "10-R1/4" mean?
10 refers to the diameter of the nylon tube inserted is 10mm. "R1/4" means that the joint thread is 1/4 inch of taper pipe thread. The through and inside connections also refer to the nylon tube inserted into the 10mm tube. The inside and outside joints do not know what it means.
Q:1/8 the trachea needs an outside diameter of the trachea
1/8, you can transfer 4, 6, 8, and 10.SMC pipe connections, please refer to "SMC pneumatic service network""
Q:May I ask what material EN39 is? Used to make a threaded pipe joint
EN39 is a European standard, the standard number is EN39:2001. The standard formal name is: carbon steel pipe for scaffolding.
Q:Screw in pipe joint Dg10 what do you mean?
The diameter of the pipe can be divided into outer diameter, inner diameter and nominal diameter.The pipe is a seamless steel pipe pipe diameter by the letter D to represent, then additional outer diameter size and thickness, such as diameter of seamless steel pipe 108, a wall thickness of 5MM, denoted by D108*5, is also used outside said, such as De63 plastic pipe, such as reinforced concrete pipe, cast iron pipe, galvanized steel pipe, said the DN, in the design drawings is generally used to represent the nominal diameter, nominal diameter is a standard in order to design and manufacture and maintenance convenient set artificially, with nominal diameter, tube (or pipe) specification name. The nominal diameter of a pipe is not the same as the inside diameter and the outside diameter of the pipe,
Q:How to identify the pipe joint thread quickly and accurately?
1 use a thread gauge to check the gauge of the pipe joint, which is the most accurate.2, you can also use special tools, taps (for female pipe joints) and wrench (for pipe fittings), which is a tool for making pipe joints. Try it on and see if it's easy to screw in. If it is easy to screw in, you can determine the specifications of the unknown pipe thread according to the specifications of the known taps and wrench marks.
Q:The hydraulic pipe fittings how to distinguish the British, American, metric!
Metric threads are represented by pitch, and American and English threads are expressed in thread per inch;Metric thread is 60 degrees equilateral tooth type, thread is isosceles 55 degree tooth type, thread is isosceles 60 degree tooth type;
Q:Air conditioning outdoor units, pipe joints, frosting, or even icing
Find the right size of the six angle wrench, facing the cut-off valve, counterclockwise turn on the valve, clockwise turn off the valve.
Q:Quick plug and card sleeve joint sealing which good?
Quick plugPlug connection is the most convenient plug and play connection mode, especially in some of the trachea connection is very inconvenient, difficult space occasions, can better reflect the advantages of fast plug.
Q:What does national standard joint jb/t6381.2-92 mean?
Apply to oil, gas as medium, pipe system in the cone sealing welded straight through 55 degrees non sealing pipe thread pipe joint. Nominal pressure PN is less than or equal to 31.5MPa, the working temperature of -25 DEG ~+80 deg.
Q:Standard for fabrication of jacket type pipe couplings for card sleeve couplings
6 flared flared joint (GB/T 5630-2008)7 、 flared type adjustable end bend pipe joint (GB/T 5631-2008)8 、 flared type combined bend pipe joint (GB/T 5632-2008)9 、 flaring type adjustable end to end three way pipe joint (GB/T 5633-2008)10 、 flared type combined bend three way pipe joint (GB/T 5634-2008)
Our main products are double eccentric metal/rubber seated butterfly valves, triple offset butterfly valves, tilting disc check valves, centerline butterfly valves, ebonite butterfly valves, eccentric plug/ball valves, gate valves, globes and power station valves, with sizes ranging from DN40mm (2") to DN4000mm (160") and PN ranging from 0.01MPa to 6.4MPa. Our valves are widely used in the fields of water supply, metallurgy, electric power, petrochemical and municipal construction.

1. Manufacturer Overview

Location Henan,China (Mainland)
Year Established 2001
Annual Output Value
Main Markets North America
South America
Eastern Europe
Southeast Asia
Mid East
Eastern Asia
Western Europe
Company Certifications ISO14001 ;WRAS;CE

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3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage 31% - 40%
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size: 30,000-50,000 square meters
No. of Production Lines
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range