Bolted Diaphragm Seals with Threaded Connection
£POA
Our bolted threaded diaphragm seals offer ultimate material flexibility for critical process applications. By utilising a multi-piece, bolted body construction rather than a fixed welded design, these instruments can be easily adapted with specialized alloys, exotic materials, protective coatings, or linings. This makes them an exceptional, cost-effective solution for isolating pressure instruments from the most aggressive, toxic, or corrosive chemicals.
The Material Flexibility Advantage
While standard processes can rely on stainless steel, complex chemical lines often require more resilient materials. The bolted design is uniquely suited for these scenarios:
- Obscure Alloys & Linings: This configuration allows us to easily incorporate specialized body materials, performance coatings, or chemical-resistant linings tailored to withstand highly destructive process media.
- Standard Construction: Supplied as standard with a high-grade AISI 316L stainless steel body and diaphragm, ensuring excellent foundational corrosion resistance.
Technical Specifications
Engineered to integrate seamlessly into heavy industrial frameworks:
- Process Connections: Available in standard 3/8″ BSP, 1/2″ BSP, and 1/2″ NPT threads, with alternative sizes engineered to special order.
- Instrument Connection: Features a standard 1/2″ BSP entry to fit your pressure gauges, switches, or transmitters.
- Contamination-Safe Fill: Pre-filled with FDA-approved non-toxic glycerine as standard, guaranteeing process purity in pharmaceutical and sanitary environments.
- Pressure Rating: Built to withstand demanding, high-pressure environments up to a maximum of 250 bar.
Available Custom Options
- Remote Capillary Tube: For routing your pressure indicator to a safe, low-vibration control panel, isolating it from intense system temperatures.
- Clean-Out / Flushing Facility: Includes an integrated clean-out port, allowing maintenance engineers to flush away sticky media, crystals, or sediment buildup from the diaphragm face without disrupting the pipework.
Do you need to specify an exotic alloy or a custom lining for a harsh chemical process? Contact our UK technical sales team today for rapid lead times and competitive, direct-to-manufacturer pricing.
