Monoflange Valve – Single Isolation Valves are compact and efficient solutions designed for reliable isolation of pressure instruments and process lines in industrial applications. Engineered to reduce leakage points and simplify installation, these valves are widely used in oil & gas, petrochemical, chemical, and power industries. Manufactured from high-quality materials with precision engineering, Monoflange Single Isolation Valves provide excellent sealing performance, corrosion resistance, and safe operation under high-pressure and high-temperature conditions. Available in various sizes, pressure ratings, and end connections to meet diverse process requirements.
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

