Pressure rating up to 6000psig (413bar) @38℃ (100℉) Temperature rating from -53℃(-65℉) to 232℃ (450℉) with standard PTFE packing, up to 648℃(1200℉) with Grafoil packing Hardened stem threads and one piece of bar stock body for long cycle life Bonnet stop pin prevents accidental handle back-out Multiple outlets for accommodation of a variety of gauge positions
A safe and economical method of installing pressure switches, gauges and differential transmitters Block and bleed for purge valve, sampling line and test pressure source
UNILOK valves are comply with NACE MR-0175/ISO 15156 for sour oilfield application or NACE MR-0103 for petroleum refining operations. To order, add – N to the end of part number.
UNILOK valves are free from machine oils, loose particles and grease throughout the close cleaning process.
Every valve is 100% factory tested with air and nitrogen at 1000psig(69bar) for leakage at the seat and packing. Each test is performed to a maximum allowable leak rate of 0.1scc/min.
Proper installation, materials compatibility, operation and maintenance of these valves are the responsibility of the user. The total system design must be taken into consideration to ensure optimal performance and safety.
The packing adjustment may be required during the valve’s service life.
VGRE – Extended body gauge root valve. L is only longer than VGR series.
Grafoil packing is available as option. To order, add -GF to the end of part number.
Alloy 400/Monel is available upon request. But, it is not applicable 260°C (500°F).