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Injection Valves for Motor-Driven Metering Pumps

Injection valves precisely meter the flow volumes in a line and are securely sealed from the environment.

Product description

The right support for every metering task

Injection valves are mounted at the point of injection to connect the metering line. They protect against backflow and generate a defined back pressure.

They are equipped with a check ball and a Hastelloy C spring (priming pressure approx. 0.5 bar). They may be fitted in any position.

Materials used as in the pump liquid ends. Injection valve sizes DN 10 and 15 are supplied with union nuts and inserts/hose nozzles.

Important: Injection valves are not absolutely leak-tight shut-off devices!

The benefits for you

  • Used as a check valve – in closed pipe systems to prevent mixing and backflow into the dosing line.
  • Used as a back pressure generator – in systems with a free drain, to generate a defined back pressure.

PVDF Metering Valve Adapter

For the installation of injection valves into pipework with straight unions. The adapter extends into the pipework or storage tank and can be adjusted (shortened) to various cross-sections. Direct contact between the chemicals being metered and the wall can be avoided by installing the adapter. Metering into the centre of the pipework improves how the metering solution is mixed and other aspects.

Material: PVDF

Application

25 °C - max. operating pressure 16 bar

65 °C - max. operating pressure 10 bar

G1

Dim. G

Dim. A

Dim. B

Dim. C

Dimension D

Ø D1

Ø D2

Order no.

mm

mm

mm

mm

mm

mm

* In the kit with 1 x FKM and 1 x EPDM O-ring.

Rp 3/4

R 3/4

93

63

49

32

22

15

1022052

Rp 1

R 1

95

65

50

41

27

18

1022053

G 1 1/4

G 1 1/4 A *

150

119

104

50

27

18

1040722

G 1 1/2

G 1 1/2 A *

171

135

118

60

31

20

1040723

Injection valve PVT-FDA

'Physiologically safe (FDA) in respect of wetted materials' design.

All wetted materials in the 'Physiologically safe (FDA) in respect of wetted materials' design comply with the FDA guidelines.

  • Material PTFE: FDA-No. 21 CFR § 177.1550
  • Material PVDF: FDA-No. 21 CFR § 177.2510

PVDF housing, PTFE seals, with spring-loaded ball check (ceramic), priming pressure approx. 0.5 bar.

DN 10, DN 15With union nut and hose sleeve
DN 20 to DN 40No connection parts

Application

25 °C - max. operating pressure 16 bar

65 °C - max. operating pressure 10 bar

Dim. G

Dim. B

Ø D2

Dim. A

Ø D1

Order no.

mm

mm

mm

mm

DN 10

3/4

40

36

84

16

1078237

DN 15

1

43

48

110

20

1078238

DN 20

1 1/4

55

52

-

-

1078239

DN 25

1 1/2

61

56

-

-

1078240

  • pk_2_029
    pk_2_029

Injection valve SST - FDA

'Physiologically safe (FDA) in respect of wetted materials' design.

All wetted materials in the 'Physiologically safe (FDA) in respect of wetted materials' design comply with the FDA guidelines.

FDA guidelines:

  • Material PTFE: FDA No. 21 CFR § 177.1550
  • Material PVDF: FDA No. 21 CFR § 177.2510

Housing made of stainless steel, PVDF ball seat, PTFE seals with non-return sphere (stainless steel material no. 1.4571 / stainless steel no. 1.4581) spring-loaded, priming pressure approx. 0.5 bar.

Application

90 °C - max. operating pressure, see table

DN 10, DN 15With union nut and insert
DN 20 to DN 40No connection parts

Dim. G

Max. pressure

Dim. B

Diameter Ø D2

Dim. A

Diameter Ø D1

Order no.

bar

mm

mm

mm

mm

DN 10

3/4

320

38

36

55

3/8

1078251

DN 15

1

240

43

48

63

1/2

1078252

DN 20

1 1/4

130

55

55

-

-

1078266

DN 25

1 1/2

70

60

58

-

-

1078267

  • pk_2_030
    pk_2_030

PPE Injection Valve

PP housing, EPDM seals with spring-loaded ball check (glass), priming pressure approx. 0.5 bar.

DN 10, DN 15With union nut and hose sleeve
DN 20 to DN 40No connection parts

Application

25 °C - max. operating pressure 16 bar

50 °C - max. operating pressure 9 bar

Dim. G

Dim. B

Ø D2

Dim. A

Ø D1

Order no.

mm

mm

mm

mm

* PVDF/Teflon design

DN 10

3/4

41

40

83

16

809461

DN 15

1

43

47

108

20

924521

DN 20

1 1/4

55

55

-

-

803710

DN 25

1 1/2

60

58

-

-

803711

DN 32 *

2

68

70

-

-

1002783

DN 40

2 1/4

85

84

-

-

804761

  • pk_2_029
    pk_2_029

PCB Injection Valve

PVC housing, FKM seals with spring-loaded ball check (glass), priming pressure approx. 0.5 bar.

DN 10, DN 15With union nut and hose sleeve
DN 20 to DN 40No connection parts

Application

25 °C - max. operating pressure 16 bar

45 °C - max. operating pressure 7 bar

Dim. G

Dim. B

Ø D2

Dim. A

Ø D1

Order no.

mm

mm

mm

mm

DN 10

3/4

41

40

83

16

809460

DN 15

1

43

47

108

20

924520

DN 20

1 1/4

55

55

-

-

803712

DN 25

1 1/2

60

58

-

-

803713

DN 32

2

68

70

-

-

1002783

DN 40

2 1/4

85

84

-

-

804760

  • pk_2_029
    pk_2_029

Injection valve PVT

PVDF housing, PTFE + 25% carbon ball seat, PTFE seals, with spring-loaded ball check (ceramic DN 10 - 20, glass DN 25 - 40), priming pressure approx. 0.5 bar.

Application

25 °C - max. operating pressure 16 bar

65 °C - max. operating pressure 10 bar

Dim. G

Dim. B

Ø D2

Dim. A

Ø D1

Order no.

mm

mm

mm

mm

DN 10

3/4

40

36

84

16

1029476

DN 15

1

43

48

110

20

1029477

DN 20

1 1/4

55

52

-

-

1029478

DN 25

1 1/2

61

56

-

-

1029479

DN 32

2

68

70

-

-

1002783

DN 40

2 1/4

85

81

-

-

1029480

  • pk_2_029
    pk_2_029

TTT Injection Valve

PTFE housing and seals with spring-loaded ball check (ceramic, glass DN 25), priming pressure approx. 0.5 bar.

DN 10, DN 15With union nut and insert
DN 20 to DN 40No connection parts

Application

25 °C - max. operating pressure 10 bar

90 °C - max. operating pressure 5 bar

Dim. G

Dim. B

Ø D2

Dim. A

Ø D1

Order no.

mm

mm

mm

mm

DN 10

3/4

38

36

57

16

809462

DN 15

1

43

48

63

20

924522

DN 20

1 1/4

55

50

-

-

803714

DN 25

1 1/2

60

58

-

-

803715

DN 32

2

68

70

-

-

1002783

DN 40

2 1/4

85

84

-

-

804762

  • pk_2_030
    pk_2_030

SST Injection Valve

Housing made of stainless steel, PTFE + 25% carbon ball seat, PTFE seals non-return sphere (stainless steel material no. 1.4571 / stainless steel no. 1.4581) spring-loaded, priming pressure approx. 0.5 bar.

DN 10, DN 15With union nut and insert
DN 20 to DN 40No connection parts

Application

90 °C - max. operating pressure, see table

Dim. G

Max. pressure

Dim. B

Diameter Ø D2

Dim. A

Diameter Ø D1

Order no.

bar

mm

mm

mm

mm

DN 10

3/4

320

38

36

55

3/8

809463

DN 15

1

240

43

48

63

1/2

924523

DN 20

1 1/4

130

55

55

-

-

803716

DN 25

1 1/2

70

60

58

-

-

803717

DN 32

2

45

69

68

-

-

1002801

DN 40

2 1/4

25

85

84

-

-

804763

  • pk_2_030
    pk_2_030

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Overview

The right support for every metering task

Injection valves are mounted at the point of injection to connect the metering line. They protect against backflow and generate a defined back pressure.

They are equipped with a check ball and a Hastelloy C spring (priming pressure approx. 0.5 bar). They may be fitted in any position.

Materials used as in the pump liquid ends. Injection valve sizes DN 10 and 15 are supplied with union nuts and inserts/hose nozzles.

Important: Injection valves are not absolutely leak-tight shut-off devices!

The benefits for you

  • Used as a check valve – in closed pipe systems to prevent mixing and backflow into the dosing line.
  • Used as a back pressure generator – in systems with a free drain, to generate a defined back pressure.

Technical Data

Downloads

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+49 6221 842 0   
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