Category
- Instruments | Valve | Union Bonnet Valve
- Dimensions
- How To Order
- Pressure-Temperature Ratings
- Features
Dimensions
Part No. | End Connections | Orifice | CV | Dimensions (mm) | ||||||||
Inlet | Outlet | L | L1 | h | h1 | H (open) | W | Q | ||||
VU61 | F-02N- | 1/8" Female NPT | 4.0 | 0.35 | 50.8 | 23.0 | 9.6 | 27.8 | 77.8 | 45.0 | 15.1 | |
F-04N- | 1/4" Female NPT | 52.4 | 26.2 | |||||||||
M-04N- | 1/4" Male NPT | 50.8 | 25.4 | |||||||||
MF-04N- | 1/4" Male NPT | 1/4" Female NPT | 52.4 | 23.0 | ||||||||
VU62 | F-04N- | 1/4" Female NPT | 6.4 | 0.86 | 57.2 | 28.6 | 12.7 | 34.1 | 93.7 | 64.0 | 19.9 | |
F-06N- | 3/8" Female NPT | |||||||||||
VU63 | F-08N- | 1/2" Female NPT | 11.0 | 2.20 | 79.6 | 39.8 | 15.9 | 46.0 | 121.5 | 89.0 | 26.2 | |
F-12N- | 3/4" Female NPT | 82.6 | - | 19.9 | 48.4 | |||||||
F-16N- | 1" Female NPT | 92.1 | - | 25.4 | 54.0 | |||||||
MF-08N- | 1/2" Male NPT | 1/2" Female NPT | 79.4 | 33.3 | 15.9 | 46.0 | ||||||
MF-12N- | 3/4" Male NPT | 3/4" Female NPT | 82.6 | - | 19.9 | 48.4 | ||||||
MF-16N- | 1" Male NPT | 1" Female NPT | 92.1 | - | 25.4 | 54.0 | ||||||
ISO7/1 Tapered Threads (PT) are available for all fractional sizes of VU6 series valves. Add "R" as a suffix instead of "N". |
How To Order
UNILOK VU6 series union bonnet valves are ordered by part number as shown below.
Example: The following part number, VU62F-04N-SS is designated for VU6 series union bonnet valve with1/4" female NPT to 1/4" female NPT, 316SS.
V | U62 | F | - | 04N | - | SS | - | - | ||
UNILOK Valve | Valve Type | Connection type | Connection Size | Body Materials | Stem Type | Packing Materials | ||||
Valve Type | Connection Size | Body Materials | |||||||||||||||
U6 | Straight Pattern | Fractional(Inch) Tube O.D. Designation | SS | 316SS | |||||||||||||
U6A | Angle Pattern | Tube O.D. | inch | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | MO | Alloy 400 | ||||||
mm | 3.17 | 6.35 | 9.52 | 12.70 | 19.05 | 25.40 | Other alloys are available upon request | ||||||||||
Connection Type | Designator | 02T | 04T | 06T | 08T | 12T | 16T | ||||||||||
U | UNILOK Tube Fitting | Stem Type | |||||||||||||||
F | Female NPT or ISO7/1(PT) | Metric Tube O.D. Designation | None | Vee Stem | |||||||||||||
M | Male NPT or ISO7/1(PT) | Tube O.D. | mm | 6 | 8 | 10 | 12 | R | Regulating | ||||||||
WS- | Socket Weld -Tube | Designator | M06T | M08T | M10T | M12T | S | Soft-seat | |||||||||
WS- | Socket Weld - Pipe | B | Ball | ||||||||||||||
Pipe Size Designation (NPT or ISO7/1-PT) | |||||||||||||||||
Pipe Size | 1/8 | 1/4 | 3/8 | 1/2 | 3/4 | 1 | Packing Materials | ||||||||||
Designator | 02N/R | 04N/R | 06N/R | 08N/R | 12N/R | 16N/R | None | PTFE | |||||||||
PK | PEEK | ||||||||||||||||
Weld Size Designation | GF | Grafoil | |||||||||||||||
Tube Size | 1/4 | 3/8 | 1/2 | 3/4 | |||||||||||||
Designator | 04T | 06T | 08T | 12T | |||||||||||||
Pipe Size | 1/4 | 3/8 | 1/2 | ||||||||||||||
Designator | 04P | 06P | 08P |
Pressure-Temperature Ratings
Body Material | Stem | PTFE packing | Packing Material | Body Material | Temperature Rating | Pressure Rating @ Max. Temperature | ||||||
Temperature Rating | Pressure Rating @ 38℃ | |||||||||||
℃ | ℉ | psig | bar | |||||||||
℃ | ℃ | psig | bar | PTFE | 316SS | -54~232 | -65~450 | 4130 | 285 | |||
316SS | Vee, Ball, Regulating | -54~232 | -65~450 | 6000 | 413 | Alloy 400 | 3970 | 274 | ||||
Soft-seat (Kel-F) | -54~93 | -65~200 | PEEK | 316SS | -54~315 | -65~600 | 3760 | 260 | ||||
Alloy 400 | Vee, Ball, Regulating | -54~232 | -65~450 | 5000 | 345 | Alloy 400 | -54~260 | -65~500 | 3960 | 273 | ||
Soft-seat (Kel-F) | -54~93 | -65~200 | Grafoil | 316SS | -54~648 | -65~1200 | 1715 | 119 | ||||
For the service with aromatic heat transfer fluids or concentrated sulfuric and nitric acids, PEEK is not recommended. | Alloy 400 | -54~260 | -65~500 | 3960 | 273 | |||||||
Alloy 400/Monle is not applicable over 260℃(500℉) |
Features
Pressure rating up to 6000 psig (413 bar) @38°C (100°F).
Temperature rating from -53°C (-65°F) to 232°C (450°F) with standard PTFE packing, up to 648°C (1200°F) with Grafoil packing.
Roll-threaded and hardened stem for long cycle life.
Union bonnet design to ensure a high-integrity seal under severe environments.
Panel mounting without packing disruption.