7000 Series Stainless Steel Diaphragm Packless Cylinder Valves
The 7000 Series Stainless Steel Diaphragm Packless Valves are designed for a variety of high purity and high pressure applications including analytical & instrumentation gases, EPA protocol gases, environmental monitoring, medical applications using pharmaceutical gases, and corrosive gas systems.
Key Features & Benefits
- New smooth operating stem ensures ease of operation during filling and use
- Precisely machined internal components meet the most stringent international valve performance standards
- Superior anti-extrusion seat for longer life.
- Diaphragms in wetted gas area are a nickel based alloy for corrosion resistance
- Rated at 3000 PSI cylinder service pressure
- Available with unitized pressure relief device having fuse-metal backed or unbacked burst disc
- 100% Helium leak tested
- Inlet and outlet thread configurations are available for a broad spectrum of customer, country, and code specifications
- Pressure Relief Device (PRD) is a unitized plug design that provides excellent flow characteristics, ensures proper assembly and tamper resistance
- Inlet tapped (1/4″ NPT) for dip tube as required
| Design Specifications | |
|---|---|
| Working pressure | 0 - 3000 PSI (207 bar) |
| Helium Leak Rate | 10-7 atm cc/sec |
| Operating Temperature Range | -50° F (-45°C) up to 130° F (54°C) |
| Materials | 303/316 Stainless Steel, Hastelloy, PA 6/6 PTFE, Vespel, PVDF |
| Standard Accreditation | ISO 10297 – 2014, CGA V9-2019 |
| Cv | 0.36 |
Product Literature
7074/7774 Series Stainless Steel Diaphragm Valves