Product Overview: Ashcroft 311 Midi-Diaphragm Seal
Ashcroft 311 Midi-Diaphragm Seal
The Ashcroft® 311 and 312 Midi-Diaphragm Seals or isolation devices are used in confined areas to protect measuring instruments. Used to ensure process compatibility, they are also applied when process media exhibits high temperature and pulsation. This model is ideal with limited space installations.
Key Features:
- Compact and lightweight design
- Choice diaphragm and lower housing materials
- All-welded construction
- Volumetric displacement allows attachment to:
3 1/2′ gauges (60 to 1,000 psi)
4 1/2′ gauges (100 to 1,000 psi)
Transducers and switches - Rated up to 1,000 psi
Ashcroft 311 Midi-Diaphragm Seal Specifications:
- Style:
Type 311: threaded - Process size:
Type 311: 1/4′ to 1/2′ NPT male; 1/4′ to 1′ NPT female
The 311 and 312 Midi-Diaphragm Seals are ideal where corrosion protection and limited-spacing are essential.
Process Market:
- Oil and Gas
- Refineries
- Chemical and Petrochemical
- Water and Wastewater
Process Applications:
- Oil and Gas Fracking
- NACE Compliant Processes (Sour Gas Separation)
- Biogas and Biodiesel
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