402

CHECK VALVE (DOBLE DISK) WAFER TYPE

Technical information
1. Wafer check valve (double disk)
2. Made of stainless steel CF8M
3. Disk made of CF8M
4. Axle and spring made of AISI 316
5. Seat of viton (FKM) vulcanised in groove
6. Assembly between flanges DIN EN PN25 | ANSI 150
7. Installed with vertical horizontal or inclined flow
8. Face to face according EN 558-1
9. Max working pressurer 25 bar
10. Max. Working temperature 180 °C

402

CHECK VALVE (DOBLE DISK) WAFER TYPE

Technical information
1. Wafer check valve (double disk)
2. Made of stainless steel CF8M
3. Disk made of CF8M
4. Axle and spring made of AISI 316
5. Seat of viton (FKM) vulcanised in groove
6. Assembly between flanges DIN EN PN25 | ANSI 150
7. Installed with vertical horizontal or inclined flow
8. Face to face according EN 558-1
9. Max working pressurer 25 bar
10. Max. Working temperature 180 °C

N°

Nome

Name

Materiale

Material

Finitura Superficiale

Surface Treatment

1

Corpo / Body

Inox Aisi 316

Decapata / Shot blasting + Picking

2

Battente / Disk

Inox Aisi 316

Decapata / Shot blasting + Picking

3

Guarnizione / Seat

Viton (FKM)

---

4

Asta / Axle

Inox Aisi 316

---

5

Molla / Spring

Inox Aisi 316

---

6

Rondella / Washer

PTFE

---

7

Fermo del disco / Disk stopper

Inox Aisi 316

---

8

Tappo / Plug

FKM

---

9

Grano / Grub screw

Inox Aisi 304

  

Flusso

Flow

Applicazione

Application

Pressione

Pressure

2”

2 1/2”

3”

4”

5”

6”

8”

10”

12”

↑

Con molla

With spring

mbar

22,8

22,8

22,8

24

24,5

24,7

25,4

26,6

27,3

→

Con molla

With spring

mbar

22,4

22,4

22,4

23,5

24

24,1

24,7

25,8

26,4

↓

Con molla

With spring

mbar

22

22

22

23

23,5

23,5

24

25

25,5

↑

Senza molla

Without spring

mbar

0,4

0,4

0,4

0,5

0,5

0,6

0,7

0,8

0,9

Diametri

Size

Codice

Code

DN

PN

Dimensioni / Dimensions (mm)

Peso

Weight

(Kg)

A

B

C

D

K

2 ”

IV4022

50

25

101

54

48

65

5

1.62

2 1/2”

IV40221/2

65

25

119

54

59

80

11

2.10

3 ”

IV4023

80

25

133

57

72

95

11

2.55

4 ”

IV4024

100

25

164

64

90

117

24

4.10

5”

IV4025

125

25

194

70

110

145

34

6.50

6 ”

IV4026

150

25

219

76

135

170

43

8.30

8 ”

IV4028

200

25

276

95

175

224

67

16.50

10 ”

IV40210

250

25

337

108

215

265

80

19.80

12 ”

IV40212

300

25

400

143

254

310

96

35.90
Kv = Flow rate of water in cubic meter per hour that will generate a pressure drop of 1 bar across the valve.

2"

2 1/2"

3"

4"

5"

6"

8"

10"

12"

68

111

206

266

455

813

1132

1950

2300