D71X Double-flanged handle butterfly valve
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  • D71X Double-flanged handle butterfly valve

I. Product Features    
1. Small and lightweight, easy to disassemble and repair, and can be installed in any position.

2. Simple and compact structure, 90° rotation is quick and efficient.

3. Short and small operating torque, labor-saving and lightweight.

4. Flow characteristics tend to be linear, with good adjustment performance.

5. The number of opening and closing tests is as high as tens of thousands of times, with a long lifespan.

6. Achieves complete sealing, with zero gas leakage in the test.

7. By selecting different component materials, it can be used for various media.


II. Technical Parameters  

Nominal Pressure 1.0 1.6
Test Pressure Housing MPa 1.5 2.4
Sealing 1 1 1 76
Applicable Temperature 0-80
Applicable Media Water

 

III. Main Component Materials  

Component Name Material
Valve Body Grey Cast Iron, Ductile Iron
Butterfly Plate Ductile Iron, Stainless Steel
Valve Stem Stainless Steel, Carbon Steel
Valve Seat Seal Ring Nitrile Rubber, F4

 

IV. Main Connection and External Dimensions  

Specifications a H1 H2 H3 L L1 Φ n-d Bolts
F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16 F-10 F-16
Quantity

Threads

Specifications

Quantity

Threads

Specifications

50 2 50 2     68 68 118 118 38 38 43 43 240 240 125 125 4-18 4-19 4 M16 4 M16
65 21/2 65 21 ∕2 90° 90° 82 82 140 140 38 38 46 46 240 240 145 145 4-18 4-19 4 M16 4 M16
80 3 80 3 90° 90° 85 85 150 150 38 38 46 46 240 240 160 160 4-18 4-19 4 M16 4 M16
100 4 100 4 90° 90° 105 105 180 180 38 38 52 52 300 300 180 180 4-18 4-19 8 M16 8 M16
125 5 125 5 90° 90° 128 128 200 200 38 38 56 56 300 300 210 210 4-18 4-19 8 M16 8 M16
150 6 150 6 90° 90° 138 138 210 210 38 38 56 56 300 300 240 240 4-23 4-23 8 M16 8 M16
    200 8   90°   167   243   38   60   354   295   4-23     12 M20

Keyword

D71X Double-flanged handle butterfly valve
+
  • D71X Double-flanged handle butterfly valve

D71X Double-flanged handle butterfly valve

A widely used flow control valve in piping systems, featuring a double-flanged structure and manual handle operation. Suitable for small and medium-sized pipelines, this valve effectively regulates flow or shuts off fluid. It offers easy installation, a small footprint, and is suitable for various fluid media. Its simple structure and reliable sealing performance make it a preferred choice in many industrial fields.

Professional valve manufacturing 



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