カテゴリー
- Instruments | Valve | Integral Bonnet Needle Valves
- Dimensions
- How To Order
- Pressure-Temperature Ratings
- Features
Dimensions
Part No. | End "T" Connections | Orifice | CV | Dimensions (mm) | Panel Hole Drill Size | ||||||
L | I | h | Round Handle | ||||||||
Inlet | Outlet | H(open) | W | ||||||||
VN52A | U-04T- | 1/4" UNILOK | 4.3 | 0.37 | 38.9 | 30.2 | 10.1 | 64.6 | 34.7 | 13.5 | |
U-M06T- | 6mm UNILOK | 39.1 | 30.5 | 61.1 | |||||||
U-M08T- | 8mm UNILOK | 39.3 | 30.7 | ||||||||
F-02N- | 1/8" Female NPT | 29.6 | 21.0 | 9.8 | 63.9 | ||||||
VN53A | U-06T- | 3/8" UNILOK | 6.3 | 0.73 | 44.2 | 33.1 | 12.2 | 78.4 | 46.7 | 20.0 | |
U-08T- | 1/2" UNILOK | 46.9 | 35.8 | ||||||||
U-M10T- | 10mm UNILOK | 44.8 | 33.7 | ||||||||
U-M12T- | 12mm UNILOK | 46.9 | 35.8 | ||||||||
F-04N- | 1/4" Female NPT | 37.0 | 26.0 | ||||||||
VN54A | F-06N- | 3/8" Female NPT | 9.5 | 1.80 | 53.5 | 39.7 | 15.9 | 92.2 | 55.5 | 23.0 | |
F-08N- | 1/2" Female NPT | ||||||||||
Female 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 | N52A | 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.