PN10 DN50 Flat plate Flange

A flat flange is a crucial component in various industrial applications, facilitating the connection between pipes, valves, and 

other equipment. Among the wide array of flat flanges available in the market, the PN10 DN50 flat plate flange stands out 

as a high-quality option. In this article, we will delve deeper into the features and benefits of this particular flange, focusing 

particularly on its galvanized variant in line with Japanese standard flanges.

Firstly, let's explore the PN10 DN50 designation. The PN10 label indicates that the flat plate flange can withstand a pressure 

rating of 10 bar, making it suitable for medium-pressure applications. Meanwhile, DN50 signifies that the flange has a 

nominal bore size of 50 millimeters, guaranteeing a proper fit for pipes with the same diameter.

One remarkable feature of the PN10 DN50 flat plate flange is its galvanized coating. Galvanizing involves the application of 

a protective layer of zinc to the steel body of the flange, enhancing its resistance to corrosion and rust. As a result, the 

galvanized flat flange can withstand harsh environmental conditions, making it suitable for both indoor and outdoor 

installations. This characteristic particularly suits industries such as construction, water treatment, and oil and gas, where 

flanges may be exposed to moisture, chemicals, and varying temperatures.


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Product Details

PN10 DN50 flat flange is a flange used in piping systems.  PN10 refers to the pressure rating of the flange, which means that it can withstand a maximum pressure of 10 bar or 145 psi.  DN50 indicates the nominal diameter or size of the pipe that the flange will use, which is 50mm.  A in place. This type of flange is commonly used in low-pressure applications.

PN10 Flanges GOST 12820-80

DN

dB

D

D1

D2

h

b

d

Number of holes

a

Weight kg

15

19

95

65

47

2

10

14

4

2

0.51

20

26

105

75

58

2

12

14

4

2

0.74

25

33

115

85

68

2

12

14

4

2

0.89

32

39

135

100

78

2

14

18

4

2

1.4

40

46

145

110

88

3

15

18

4

3

1.71

50

59

160

125

102

3

15

18

4

3

2.06

65

78

180

145

122

3

17

18

4

3

2.8

80

91

195

160

133

3

17

18

4

3

3.19

100

110

215

180

158

3

19

18

8

3

3.96

125

135

245

210

184

3

21

18

8

3

5.4

150

161

280

240

212

3

21

22

8

3

6.62

200

222

335

295

268

3

21

22

8

3

8.05

250

273

390

350

320

3

23

22

12

3

10.65

300

325

440

400

370

4

24

22

12

4

12.9

350

377

500

460

430

4

24

22

16

4

15.85

400

426

565

515

482

4

26

26

16

4

21.56

500

530

670

620

585

4

28

26

20

4

27.7

600

630

780

725

685

5

31

30

24

5

39.4

700

720

895

840

800

5

34

30

24

5

59.46

800

820

1010

950

905

5

37

33

24

5

79.16

900

920

1110

1050

1005

5

40

33

28

5

94.13

1000

1020

1220

1160

1110

5

43

33

28

5

118.43

1200

1222

1455

1380

1330

5

51

39

32

5

197.44

1400

1420

1675

1590

1530

5

60

45

36

5

278.92

1600

1620

1915

1820

1750

5

70

52

40

5

422.65


PN10 DN50 Flat plate Flange

Furthermore, the PN10 DN50 flat plate flange adheres to the Japanese standard, which is renowned for its meticulous engineering and stringent quality control. 

Japanese standard flanges offer a high degree of precision and reliability, ensuring a secure and leak-free connection. This makes them a preferred choice in 

industries that require utmost safety and dependability, such as nuclear power plants, aerospace, and automotive manufacturing.

The PN10 DN50 flat plate flange in the galvanized variant combines the best of both worlds—excellent corrosion resistance as well as adherence to the superior 

Japanese standard. This amalgamation makes it a perfect option for a myriad of applications where durability and performance are paramount. Additionally, the 

galvanized coating adds an aesthetic appeal to the flange, making it visually appealing and suitable for architectural purposes.


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