Tag Archives: Check Valves

Sanitary Flange Check Valve

 


Sanitary Flange Check Valve

Sanitary Flange Check Valve is a 3 PCS design sanitary check valve, it is from 1/2″ to 4″, the connection is weld flange. The valve body is in three parts, assembled by means of bolted and sealed with a FDA standard gasket. Wellgreen offers flanged check valve in stainless steel T316L or T304 of DIN and INCH standard, with surface 24Ra or better finish, it is your reliable source for high purity industiries such as food, dairy, brewery, winery, biopharm, fine chemcial etc.

 


 

sanitary union type check valve

 Dimension of Sanitary DIN Flanged Check Valve – DIN Series

SIZE H D11    2 t

DN15

DN20

DN25

70

70

70

18   19

22   23

28   29

1.5

1.5

1.5

DN32

DN40

DN50

75

75

85

34   35

40   41

52   53

1.5

1.5

1.5

DN65

DN80

DN100

95

105

120

70   –

85   –

104  –

2.0

2.0

2.0

 

sanitary union type check valve

 Dimension of Sanitary Inch Flanged Check Valve – INCH Series

SIZE H D

3/4”

1”

1 1/4”

70

70

75

19

25.4

31.8

1 1/2”

2”

2 1/2”

75

85

95

38.1

50.8

63.5

3”

3 1/2”

4”

105

105

120

76.2

89

101.6

 

sanitary union type check valve

Dimension of Sanitary of DIN 3 PCS Flanged Check Valve – DIN Series

SIZE H D D1 Dn

DN125

DN150

DN200

150

156

200

205

235

300

129

154

204

125

150

200

Dimension of Sanitary INCH 3 PCS Flanged Check Valve – INCH Series

SIZE H D D1

5”

6”

8”

150

156

200

205

235

300

127

152.4

203.2

* For more information and specification about sanitary check valves, please contact us here.

 

 

Sanitary Union Type Check Valve


Sanitary Union Type Check Valve

Sanitary Union Type Check Valve is the sanitary check valve of 2 pcs splitted design with spring structure and assemblied by union. Wellgreen is able to supply the union type check valve from DN25 to DN100 in stainless steel T316L or T304 of DIN and SMS standard.


sanitary union type check valve

Dimension of Sanitary Union Type Check Valve – DIN Series

Size Dn D D1 H
DN25

DN32

DN40

25

31

37

28

34

40

70

78

92

65

70

76

DN50

DN65

DN80

49

66

81

52

70

85

110

125

146

87

107

117

DN100 100 104 178 131

sanitary union type check valve

Dimension of Sanitary Union Type Check Valve – SMS Series

Size Dn D D1 H
?25

? 32

?38

22.4

28.8

35.1

25.4

31.8

38.1

70

78

92

65

70

76

?51

?63

?76

47.8

59.5

72.2

50.8

63.5

76.2

110

125

146

87

107

117

? 89

? 102

85

97.6

89

101.6

146

178

117

131

* For more information and specification about sanitary check valves, please contact us here.

Sanitary Ball Check Valve

 


Sanitary Ball Check Valve

Sanitary Ball Check Valve is a spring structure ball type valve, a new type of  sanitary check valve. We offers sanitary ball check valve from DN40 to DN100 in stainless steel AISI 316L or 304. It is an idea choice for high purity industries such as food, pharmaceutical, dairy and other sanitary industries.


Specification of Sanitary Ball Type Check Valve

sanitary ball check valve

Dimension of  Sanitary Ball Check Valve – DIN Series

SIZE A B C D
DN40

DN50

115

125

100

110

38

50

41

53

DN65

DN80

DN100

135

145

155

130

146

166

66

81

100

70

85

104

* For more information and specification about sanitary check valves, please contact us here.

Sanitary Thread Check Valve

 


Sanitary Thread Check Valve

Sanitary Thread Check Valve is male threaded connection sanitary check valve. Our sanitary thread check valve is suitable with viscous liquids, the size is up to 6″ and the working pressure is a little higher than butt weld or tri clamp check valve. Made in stainless steel AISI 316L or 304, with good surface finish (25 Ra or higher polished body and internals), it is ideal for food, pharmaceutical, dairy and other sanitary industries.

 


Specification of Sanitary Thread Check Valve

sanitary thread check valve

Dimension of  Male/Female Threaded Check Valve – DIN Series W5061

SIZE H D11    2 D t G(RD)
DN15

DN20

DN25

108

112

116

18   19

22   23

28   29

72

72

72

1.5

1.5

1.5

33.5*1/8

43.5*1/6

51.5*1/6

DN32

DN40

DN50

116

116

121

34   35

40   41

52   53

87

87

100

1.5

1.5

1.5

57.5*1/6

64.5*1/6

77.5*1/6

DN65

DN80

DN100

153

159

179

70   –

85   –

104  –

115

128

164

2.0

2.0

2.0

94.5*1/6

109.3*1/4

129.3*1/4

 

sanitary thread check valve

Dimension of  Male/Female Threaded check valve – SMS Series W5062

SIZE H D D1 t G(RD)
3/4”

1”

1 1/4”

106

110

112

72

72

87

19

25.4

31.8

1.5

1.5

1.5

33.5*1/8

39.5*1/6

59.5*1/6

1 1/2”

2”

2 1/2”

112

119

141

87

100

115

38.1

50.8

63.5

1.5

1.5

2.0

69.5*1/6

84.5*1/6

97.3*1/6

3”

3 1/2”

4”

155

161

173

128

128

164

76.2

89

101.6

2.0

2.0

2.0

104.3*1/6

124.3*1/4

131.3*1/4

 

sanitary thread check valve

Dimension of Male/Female Threaded check valve – 3A Series W5063

SIZE H D1 t G
1”

1 1/4”

1 1/2”

108

113

113

25.4

31.8

38.1

1.65

1.65

1.65

37.13*1/8 Acme

45.9*1/8 Acme

50.65*1/8 Acme

2”

2 1/2”

3”

126

141

152

50.8

63.5

76.2

1.65

1.65

1.65

64.1*1/8 Acme

77.6*1/8 Acme

91.1*1/8 Acme

4” 167 101.6 2.1 119.25*1/6/ Acme

*For one weld one thread(male) check valve, please contact us for details.

* For more information and specification about sanitary check valves, please contact us here.

 

 

Sanitary Tri Clamp Check Valve

 


Sanitary Tri-Clamp Check Valve

Sanitary Tri Clamp Check Valve is tri-clover connected sanitary check valve. Compare with weld check valve, it is much easier for installation and maintenance. Our tri clamp check valve is  two splitted design, the size from 3/4″ to 4″ in stainless steel T316L or T304. Our sanitary check valves are made in local factory, it is possible to offer a fast delivery and low cost to reduce your purchase budget. Please believe our sanitary valves are your idea source.

 


 

sanitary tri-clamp check valve

Dimension of Sanitary Tri-Clamp Check Valve – DIN W5066

SIZE

H D11    2 D2 D

t)

DN15

DN20

DN25

100

100

110

18   19

22   23

28   29

34

34

50.5

72

72

72

1.5

1.5

1.5

DN32

DN40

DN50

110

110

107

34   35

40   41

52   53

50.5

50.5

64

87

87

100

1.5

1.5

1.5

DN65

DN80

DN100

126

134

140

70   –

85   –

104  –

91

106

119

115

128

164

2.0

2.0

2.0

 

Dimension of Sanitary Tri-Clamp Check Valve – 3A,SMS,ISO,IDF,DS W5067

SIZE H D1 D2

D

3/4”

1”

1 1/4”

100

100

100

19

25.4

31.8

25.4

50.5

50.5

 72

72

87

1 1/2”

2”

2 1/2”

100

107

119

38.1

50.8

63.5

50.5

64

77.5

87

100

115

3”

3 1/2”

4”

126

134

140

76.2

89

101.6

91

106

119

128

128

164

* For more information and specification about sanitary check valves, please contact us here.

 

 

Sanitary Weld Check Valve

 


Sanitary Weld Check Valve

Sanitary Weld Check Valve is butt weld connected hygienic valve, a general type of sanitary check valve. It is compact and simple structure for easily cleaning and maintaining without special tools. Our weld check valve are made in stainless steel AISI 316L or 304, it is your idea choice for the application of food,beverage,biopharmacy etc.

 


 

sanitary weld check valve

Dimension of Sanitary Welded Check Valve – DIN W5064

Size

H

D1

1    2

D

t

DN15

DN20

DN25

74

74

74

18   19

22   23

28   29

72

72

72

1.5

1.5

1.5

DN32

DN40

DN50

74

74

79

34   35

40   41

52   53

87

87

100

1.5

1.5

1.5

DN65

DN80

DN100

107

109

123

70   –

85   –

104  –

115

128

164

2.0

2.0

2.0

 

Dimension of Sanitary Welded Check Valve – 3A,SMS,ISO,IDF,DS W5065

SIZE H D1 D

3/4”

1”

1 1/4”

74

74

74

19

25.4

31.8

72

72

87

1 1/2”

2”

2 1/2”

74

79

99

38.1

50.8

63.5

87

100

115

3”

3 1/2”

4”

107

109

123

76.2

89

101.6

128

128

164

* For more information and specification about sanitary check valves, please contact us here.

 

 

Sanitary Check Valve

 


Sanitary Check Valve

Sanitary Check Valve is the sanitary valves worked to prevent the flow from reversing. It is made in stainless steel AISI 316L or 304, with the adavantages of smooth surface, seamless, automatic emptying and easy to maintain etc. Sanitary check valve is also applied to steam and self-cleaning requirement, it is a good choice for the application of food,beverage,biopharmacy etc. With different connection ends, sanitary check valve from Wellgreen assures you a safe, easy, fast pipeline.

 

    Connection and Types:

    Design:

  • Forged valve body ensures non-porous, smooth surfaces and stable structure.
  • Compact and simple structure makes sanitary check valve easy to clean and maintain without special tools.
  • Sanitary weld check valve, Male check valve and Sanitary Tri clamp check valve are two splitted design, assembled by a clamp and sealed with a gasket.
  • Sanitary union type check valve is basically consist of a valve body, a cover and a nuts in threaded union form.
  • Ribbed construction of the stainless steel disc resists heavy pressure hammer, minimizes the resistance to flow and also serves as a guide to the valve plug.
  • Eccentric design allows the check valve installing vertically or horizontally.

 

    Material:

Stainless Steel 304,316L or en.1.4301, 1.4404 etc.

 

    Strength:

  •     Material of stainless steel 316L and 1.4404 is from reputed mill to guarantee the chemical composition and mechanical propertis. Material certificate will be submitted follow to orders.
  •     Forged valve body and disc to control the leakage and visual.
  •     Superior facilities and good experiences for fabrication.
  •     In ability to improve and develop new design.
  •     Fast delivery is possible to meet your needs well in time.
  •     Low cost from bulk production will reduce your budget and improve your business.
  •     Small quantity available.

 

    Quality & Inspection:

  •      PMI test to verify material grade
  •      Dimension controlling during fabricating and finished
  •      Visual and surface 100% examination before shipment
  •      Packed in carton box firstly, then in wooden case
  •      Third party inspection available.

 

    Application:

    Food, Brewery, Beverage, Dairy, Pharmaceutical, Biopharma etc.

 


Technical Specifications & Options of Sanitary Check Valve

General Specifications of Sanitary Check Valve

Working Pressure

Working Pressure

0~10 bar

Opening Pressure

0.1~0.3bar

Working

Temperature

Continuous Working Temperature

-10°C ~ +121°C(EPDM)

Sterilization Temperature

150°C (Max 20min)

Surface Finish

Internal Surface Finish

R?0.8?m

External Surface Finish

R?1.6?m

Connections

Connection Standards

DIN, SMS, 3A, ISO

Connection Methods

Welding, Clamp, Threading

Material

Metal Material

Product Wetted

304 (1.4301) or 316L (1.4404) forged

Other Steel Parts

304 (1.4301)

EN 10204 3.1B certificate is available on request.

Seal Material

Standard

EPDM

Options

FPM, Silicone, NBR

All seal materials comply with FDA 177.2600.

*For more information of Sanitary Check Valve, please contact us for details.

Sanitary check valve catalog