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- Instruments | Valve | Integral Bonnet Needle Valves
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- Dimensions
- How To Order
- Pressure-Temperature Ratings
- Features
Dimensions
| Part No. | End Connections | Orifice | CV | Dimensions (mm) | Panel Hole Drill Size | |||||||
| Inlet | Outlet | L | I | h | h1 | Round Handle | ||||||
| H1(open) | W1 | |||||||||||
| VN52 | MU-04N02T- | 1/4" Male NPT | 1/8" UNILOK | 2.0 | 0.09 | 51.3 | 25.0 | 9.5 | 9.2 | 54.3 | 45.0 | 13.5 |
| MU-04N04T- | 1/4" Male NPT | 1/4" UNILOK | 4.3 | 0.37 | 53.3 | 25.0 | ||||||
| WS-04T | 1/4" Tube | 42.0 | 21.0 | |||||||||
| VN53 | MU-04N06T- | 1/4" Male NPT | 3/8" UNILOK | 6.3 | 0.73 | 60.4 | 26.5 | 12.5 | 13.5 | 67.5 | 50.6 | 20.0 |
| MU-06N06T- | 3/8" Male NPT | 3/8" UNILOK | 60.4 | 26.5 | ||||||||
| MU-06N08T- | 3/8" Male NPT | 1/2" UNILOK | 63.1 | 26.5 | ||||||||
| WS-06P | 3/8" Tube | 54.0 | 27.0 | |||||||||
| WS-08P | 1/2" Tube | 54.0 | 27.0 | |||||||||
| WS-04P | 1/4" Pipe | 54.0 | 27.0 | |||||||||
| VN54 | WS-06P | 3/8" Pipe | 7.2 | 1.80 | 60.0 | 30.0 | 17.0 | 17.0 | 83.8 | 62.5 | 23.0 | |
| WS-08P | 1/2" Pipe | 65.0 | 32.5 | |||||||||
Male 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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