FCT - Tandem DBB Valve for Double Block and Bleed Applications
The Tandem DBB Valve from FCT is designed for double block and bleed applications, following the specifications of API 6D (type A). This valve is trunnion mounted and allows for double isolation and bleed to ensure operational safety and reliability. The product features various flange options including RF, RTJ, WE, Hub (clamp), and compact flanges, which offer flexibility for different installation requirements. It is compliant with SIL 3 standards, ensuring high safety integrity suitable for critical applications. The body and trim are manufactured from robust materials designed to withstand high pressures and temperature ranges, making it suitable for diverse and demanding environments.
Size / Pressure range / Temperature
- DN 50 – DN1500
- ASME Class 150 – 2500
- API 6A API 3000 – API 15000
- -46°C / +200°C
Main Characteristics
- Trunnion Mounted
- Flanges RF, RTJ, WE, Hub (clamp), Compact flanges
- Double Isolation & Bleed as per API 6D (type A) new requirement H12.
- SIL 3 Compliant
Body / Trim Material
- Forged or Cast
- From carbon steel up to most exotic material such as SS, DX, SDX 6MO, Alloy 625, Monel, Titanium, …
Seats
- Soft seated & Metal seated (Tungsten Carbide from 150µm to 400µm)
- SPE (Self relieving) & DPE
Additional data
- Customized Two balls & four seats in one body to ensure a perfect isolation from a single or two pressure sources in a compact solution.