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VN5 series
Straight Pattern, Both UNILOK Tube Fittings or Both Female or Male Threads
Category
- Instruments | Valve | Integral Bonnet Needle Valves
- Dimensions
- How To Order
- Pressure - Temperature Ratings
- Features
Dimensions
| Part No. | End Connections "T" | Orifice | CV | Dimensions (mm) | Panel Hole Drill Size | |||||||
| Inlet | Outlet | L | I | h | h1 | Round Handle | ||||||
| H(open) | W | |||||||||||
| VN51 | U-02T- | 1/8" UNILOK | 2.0 | 0.09 | 49.3 | 24.9 | 11.2 | 7.9 | 57.9 | 25.4 | 11.9 | |
| U-M03T- | 3mm UNILOK | 49.3 | 24.9 | 12.2 | ||||||||
| F-02N- | 1/8" Female NPT | 47.8 | 23.9 | 11.9 | ||||||||
| M-02N- | 1/8" Male NPT | 38.1 | 19.1 | |||||||||
| VN52 | U-04T- | 1/4" UNILOK | 4.3 | 0.37 | 56.3 | 28.2 | 9.5 | 9.2 | 65.9 | 34.7 | 13.5 | |
| U-M06T- | 6mm UNILOK | 56.8 | 28.4 | |||||||||
| U-M08T- | 8mm UNILOK | 59.0 | 29.5 | |||||||||
| F-02N- | 1/8" Female NPT | 42.0 | 21.0 | |||||||||
| M-02N- | 1/8" Male NPT | 41.2 | 20.6 | |||||||||
| M-04N- | 1/4" Male NPT | 50.0 | 25 | |||||||||
| VN53 | U-06T- | 3/8" UNILOK | 6.3 | 0.73 | 67.8 | 33.9 | 12.5 | 13.5 | 80.6 | 46.7 | 20.0 | |
| U-08T- | 1/2" UNILOK | 73.2 | 36.6 | |||||||||
| U-M10T- | 10mm UNILOK | 67.4 | 33.7 | |||||||||
| U-M12T- | 12mm UNILOK | 73.4 | 36.7 | |||||||||
| F-04N- | 1/4" Female NPT | 54.0 | 27.0 | |||||||||
| M-06N- | 3/8" Male NPT | 53.0 | 26.5 | |||||||||
| MF-04N- | 1/4" Male NPT | 1/4" Female NPT | 53.5 | 26.5 | ||||||||
| VN54 | U-08T- | 1/2" UNILOK | 7.2 | 1.80 | 83.2 | 41.6 | 17.0 | 17.0 | 97.0 | 55.5 | 23.0 | |
| U-12T- | 3/4" UNILOK | 83.2 | 41.6 | |||||||||
| F-06N- | 3/8" Female NPT | 60.0 | 30.0 | |||||||||
| F-08N- | 1/2" Female NPT | 65.0 | 32.5 | |||||||||
| M-08N- | 1/2" Male NPT | 66.0 | 33.0 | |||||||||
| MF-08N- | 1/2" Male NPT | 1/2" Female NPT | 66.0 | 33.0 | ||||||||
| VN55 | U-16T- | 1" UNILOK | 12.7 | 3.20 | 99.2 | 49.6 | 20.0 | 20.0 | 86.7* | 85* | 29.0 | |
| F-12N- | 3/4" Female NPT | 75.0 | 37.5 | |||||||||
| F-16N- | 1" Female NPT | 89.0 | 44.5 | 87.2* | ||||||||
| * Dimensions for bar handle. Round handle for these sizes are not available. ISO7/1 Tapered Threads (PT) are available for all fractional sizes of VN5 series valves. Add “R” as a suffix instead of “N”. | ||||||||||||
How To Order
UNILOK VN5 series needle valves are ordered by part number as shown below.
Example: The following part number, VN52U-04T-SS is designated for VN5 series needle valve with both 1/4" UNILOK tube fitting, 316SS, round handle.
| V | N52 | U | - | 04T | - | SS | - | - | - | |||
| UNILOK Valve | Valve Type | Connection type | Connection Size | Body Materials | Stem Type | Packing Materials | Handle Type | |||||
| Valve Type | Connection Size | Body Materials | |||||||||||||||
| N5 | Straight Pattern | Fractional(Inch) Tube O.D. Designation | SS | 316SS | |||||||||||||
| N5A | Angle Pattern | Tube O.D. | inch | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | BS | Brass | ||||||
| mm | 3.17 | 6.35 | 9.52 | 12.70 | 19.05 | 25.40 | MO | Alloy 400 | |||||||||
| Connection Type | Designator | 02T | 04T | 06T | 08T | 12T | 16T | Other alloys are available upon request | |||||||||
| U | UNILOK Tube Fitting | ||||||||||||||||
| F | Female NPT or ISO7/1(PT) | Metric Tube O.D. Designation | Stem Type | ||||||||||||||
| M | Male NPT or ISO7/1(PT) | Tube O.D. | mm | 6 | 8 | 10 | 12 | 16 | None | Vee Stem | |||||||
| WS-*T | Socket Weld -Tube | Designator | M06T | M08T | M10T | M12T | M16T | R | Regulating Stem | ||||||||
| WS-*P | Socket Weld - Pipe | S | Soft-seat Stem | ||||||||||||||
| Pipe Size Designation (NPT or ISO7/1-PT) | |||||||||||||||||
| Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | Packing Materials | ||||||||||||
| Designator | 02N/R | 04N/R | 06N/R | 08N/R | None | PTFE | |||||||||||
| PK | PEEK | ||||||||||||||||
| Weld Size Designation | |||||||||||||||||
| Tube Size | 1/4 | 3/8 | 1/2 | Handle Type | |||||||||||||
| Designator | 04T | 06T | 08T | None | Nylon Round Handle | ||||||||||||
| Pipe Size | 1/4 | 3/8 | 1/2 | B | Bar Handle | ||||||||||||
| Designator | 04P | 06P | 08P | ||||||||||||||
Pressure - Temperature Ratings
| Body Material | Stem | PTFE packing | PEEK packing | |||||||
| Temperature Rating | Pressure Rating | Temperature Rating | Pressure Rating | |||||||
| ℃ | ℉ | psig | bar | ℃ | ℉ | psig | bar | |||
| 316SS | metal to metal (vee & regulating) | -54~232 | -65~450 | 5000 | 345 | -54~315 | -65~600 | 3130 | 215 | |
| soft-seat (Kel-F) | -54~93 | -65~200 | -54~93 | -65~200 | ||||||
| Brass | metal to metal (vee & regulating) | -54~204 | -65~400 | 3000 | 207 | -54~204 | -65~400 | 3000 | 207 | |
| soft-seat (Kel-F) | -54~93 | -65~200 | -54~93 | -65~200 | ||||||
| Alloy 400 | metal to metal (vee & regulating) | -54~232 | -65~450 | 3000 | 207 | -54~260 | -65~500 | 2370 | 162 | |
| soft-seat (Kel-F) | -54~93 | -65~200 | -54~93 | 65~200 | ||||||
| Packing adjustment to be required for extreme temperature
variations For the service with aromatic heat transfer fluids or concentrated sulfuric and nitric acids, PEEK is not recommended. | ||||||||||
Working Pressure at Temperature
| Temperature | Working Pressure | ||||||||
| ℃ | ℉ | psig | bar | psig | bar | psig | bar | ||
| -54 to | 38 | -65 to | 100 | 5000 | 345 | 3000 | 207 | 3000 | 207 |
| 93 | 200 | 4290 | 296 | 2600 | 180 | 2640 | 183 | ||
| 148 | 300 | 3870 | 267 | 2210 | 153 | 2470 | 171 | ||
| 176 | 350 | 3710 | 256 | 1470 | 102 | 2430 | 168 | ||
| 204 | 400 | 3560 | 246 | 740 | 52 | 2390 | 165 | ||
| 232 | 450 | 3430 | 237 | - | - | 2380 | 165 | ||
| Materials | 316SS | Brass | Alloy 400 | ||||||
Number of Handle Turns - Flow Coefficient (Cv)
Features
Pressure rating up to 5000 psig (340 bar) @38°C (100°F).
Temperature rating from -53℃ (-65℉) to 232℃ (450℉).
With standard PTFE packing, up to 315℃ (600℉).
With PEEK packing, Compact forged body with straight and angle pattern for design of miniaturized fluid systems.
Hardened stem threads and forged body for long cycle life.
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