Monoflange Valve – Block and Bleed Valves are compact and reliable solutions designed for isolation, venting, and pressure monitoring in industrial instrumentation systems. These valves minimize leakage points by integrating multiple valve functions into a single compact body, improving safety and reducing installation space. Widely used in oil & gas, petrochemical, chemical, and power industries, Monoflange Block and Bleed Valves deliver excellent sealing performance, corrosion resistance, and dependable operation under high-pressure conditions. Available in various materials, sizes, and pressure ratings to suit diverse industrial applications.
Flange size
50 – ½”
75 – ¾”
10 – 1”
150 – 1½”
200 – 2”
300 – 3”
Flange class
150lb
300lb
600lb
900lb
1500lb
2500lb
Flange type
RTJ – Ring type joint
RF – Spiral finish raised face
Connection size
¼” (std vent)
⅜”
½” (std process/instrument)
Instrument connection
NPT standard
BP – BSP parallel pipe thread BS2779-1986
BT – BSP taper pipe thread BS21 – 1985
CE – Compression fitting
