Description :
Tenders for Supply Of On/off Valves 3/4" 300 Air Fail Open For Fuel Gas Bleed Valves As Per Specification , On/off Valves 1" 300 Air Fail Close For Fuel Gas Block Valves As Per Specification , On/off Valves 4" 300 Air Fail Close For Fuel Gas Block Valves As Per Specification , On/off Valves 6" 300 Air Fail Close For Fuel Gas Block Valves As Per Specification
