Diaphragm Valves

SL-DV54MLB-FNT4
Title:
Diaphragm Valves
DV54 Series

Features

• Suitable for ultra high purity applications<br>
• 316L stainless steel enhances weldability and resistance to
corrosion<br>
• Manual or pneumatic actuation are available<br>
• Face seal fittings (FSR) or butt weld connections<br>
• Internally springless<br>
• Metal-to-metal diaphragm design creates a leak resistant seal<br>
• Control knob includes a window indicating working status
(i.e. open or closed)<br>
• 100% helium leak tested<br>
• Multiple port configurations available

Spec Sheet

• Body: 316L stainless steel
• Seat: PCTFE, Vespel®
• Diaphragm: Elgiloy®

• Flow capacity: Cv=0.3
• Maximum leak rate:
• Body leak rate: 1 x 10-9 atm cc/sec He
• Valve seat leak rate: 4 x 10-9 atm cc/sec He
• Proof pressure: 150% of maximum working pressure
• Burst pressure: 400% of maximum working pressure

• Maximum operating pressure:
• 300 psi (20 bar), 3500 psi (240 bar)
• Minimum operating pressure: vacuum
• Temperature: -40°F to 150°F (-40°C to 65°C)

• Operating pressure: 70 - 125 psi
• Inlet connection: 1/8"NPT (Female)
• Normally: closed, open

Standard Ra: 10 - 15μin

1.6 cc