カテゴリー
- Instruments | Valve | Gauge Root Valve
- Dimensions
- Application
- Features
Dimensions
| Part No. | End Connections | Dimensions (mm) | ||||||
| Inlet | Outlet | L | C | S | H | D | ||
| VG | MF-08N-SS | 1/2" Male NPT | 1/2" Female NPT | 90.0 | 32.0 | 87.0 | 50.6 | |
| MF-12N08N-SS | 3/4" Male NPT | |||||||
| VG2 | MF-08N-SS | 1/2" Male NPT | 119 | 36.2 | 38.1 | 180.0 | ||
| VGR | MF-08N-SS | 1/2" Male NPT | 137.0 | 38.1 | 32.0 | 87.0 | ||
| MF-12N08N-SS | 3/4" Male NPT | |||||||
| VGRE | MF-08N-SS | 1/2" Male NPT | 184.0 | |||||
| MF-12N08N-SS | 3/4" Male NPT | |||||||
| 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) | ||||||||
Application
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
Sour Environment Services
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.
Cleaning
UNILOK valves are free from machine oils, loose particles and grease throughout the close cleaning process.
Testing
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.
Important Notification
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.
Features
Pressure rating up to 6000 psig (413 bar) @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 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.
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