Diaphragm valves
The advantage of diaphragm valves is the dead space-free design. Residues that could cause cross-contamination cannot become deposited. The diaphragm design is particularly suitable for the switching of highly viscous or tacky gases or liquids.
![[Translate to Englisch:] Membranventil – Serie DV](/fileadmin/_processed_/0/e/csm_SerieDV_ea5546714c.jpg "[Translate to Englisch:] Membranventil – Serie DV")
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![[Translate to Englisch:] Membranventil – Serie DV](/fileadmin/_processed_/0/e/csm_SerieDV_a0335741dc.jpg "[Translate to Englisch:] Membranventil – Serie DV")
![[Translate to Englisch:] Membranventil – Serie DV](/fileadmin/_processed_/d/b/csm_BLSV1VF_4_PO_1569ee882c.jpg "[Translate to Englisch:] Membranventil – Serie DV")
Diaphragm Valves – DV Series
Due to the residue-free switching of viscous or tacky media, the diaphragm valves are suitable for use in ultra-high purity processes (UHP) in the semi-conductor industry, biotechnology and the pharmaceuticals industry where contamination has to be ruled out.
The housing and the diaphragm of the Hy-Lok diaphragm valve are anodically polished for a long service life and have outstanding resistance to chemicals. The design offers minimum dead spaces and minimised particle contamination.
Versions for low pressure and high pressure applications are available that can be actuated both manually and pneumatically.
High pressure model
| Pressure: | up to 207 bar (3000 psi) |
| Flow coefficient (Cv): | 0.1 |
Low pressure model
| Pressure: | up to 17.2 bar (250 psi) |
| Flow coefficient (Cv): | 0.27 or 0.7 |
| Temperature: | -23°C to 65°C (-10°F to 150°F) |
| Housing material: | Stainless steel 316L (single and double melt) |
| Seat material: | PCTFE (D1430) |
| Diaphragm material: | Elgiloy® (F1058, AMS5876) |
- Low pressure model up to 17.2 bar (250 psi)
- High pressure model up to 207 bar (3000 psi)
- Various connections (butt welding connection, ZCR screw fitting or Hy-Lok compression fittings)
- Multi-port or multi-way versions possible
- Actuation is manual via various handles or via pneumatic control head
- 100% leak test with helium
Diaphragm valves DV Series
H-DV100-E [1.4 MB]