Dairy Pipelines. Reliability and performance you can trust


Diamond Non-Return Valves

The DPL hygienic Diamond Non-Return Valve is designed to prevent back-flow of product in the pipework system.

The valve is constructed to the highest specification, thus ensuring optimum levels of hygiene and cleanliness by nature of it’s design.

Stainless Steel product contact components are manufactured from 316 and 316L. Seals and elastomers carry FDA approval. All valve component parts are designed to enable thorough in-line cleaning, even in the most challenging of applications.

With options of surface finish, seal material and fitting type, the valve is suited to many industry sectors. These sectors include Food and Beverage, Pharmaceutical, Biomedical and Chemical.

Please call us to further discuss your requirements. We are confident that we have a valve designed to suit your application.

  • ATEX approval for use in hazardous areas. (Please see information below)

  • Fully machined valve components offering excellent corrosion resistance and no porosity.

  • Aseptic design ensures wide acceptance in world-wide pharmaceutical, food and beverage industries including biomedical applications e.g. WFI

  • Clamp body design ensures minimal downtime when sterilising / dismantling.

  • Wide selection of seal material and end fittings available, thus ensuring compatibility with your system.

Size 0.5” 0.75” 1” 1.5” 2.0” 2.5” 3” 4”
L1 Weld 75 75 60 75 75 75 75 119
L2 Clamp 87 87 102 117 117 117 117 161
L2 Male 1DF/RJT NA NA 102 117 117 117 117

161 RJT
179
IDF

Diameter

63

63

63

93

107

133

145

185

Weight

0.57

0.55

0.65

1.10

1.30

1.85

2.15

4.85

 Weight (kg) includes clamp ferrules, dimensions in mm

 

Technical Data

Initial Opening Pressure: 0.5 - 3psi
Fully Open Pressure: 1 - 4 psi
Max Operating Pressure: 150 psi (10 Bar)
Seal Material Options: EPDM (standard), Nitrile,
Silicone, Viton, FEP/PTFE
End Connection Options: Clamp, RJT, IDF, ILC, DIN,
SMS, Flange, Butt Weld
Internal Surface Finish: 0.8um (standard)
0.5um and/or Electro-Polish.
Certification: EN10204 3.1, ATEX,
P.E.D 97/23/EC(SEP)

 

Working temperatures dependent upon choice of seal material, please consult DPL if in doubt

 

ATEX

ATEX approved version available for use in potentially explosive atmospheres.

Group 2, Category 2,  Gas and dust compliant