SUNV Union Bonnet Needle Valves - USA SUPERLOK - Tube Fittings - Ball Valves - Pipe Fittings

SUNV Union Bonnet Needle Valves

Union Bonnet Needle Valve – SUNV Union Bonnet Needle Valves

Union Bonnet Needle Valves provide superior sealing and flow control for high-pressure systems. Designed with a secure union bonnet, these valves minimize leakage and enhance durability in demanding industrial applications. The SUNV Union Bonnet Needle Valve features a straight-through or angle flow pattern, a non-rotating vee stem tip, and multiple stem configurations for precise metering. These valves are ideal for applications in oil and gas, chemical processing, and instrumentation, where high-pressure, leak-free performance is essential. Built from corrosion-resistant materials, they ensure long service life and reliability in harsh environments.

Browse all Union Bonnet Needle Valves below to find the perfect fit for your fluid system.

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SKU: 18673 Category: Needle Valves

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SUNV-Union-Bonnet-Needle-Valves.pdf

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Specifications

Inch/Metric	Inch
Superlok Part Type	Needle Valve
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F

Available Sizes

SUNV1-F-4N SUNV Union Bonnet Needle Valves

SUNV 1/4 in. Female National Pipe Taper (FNPT) Thread, Polytetrafluoroethylene (PTFE) Packing, Bar Handle, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	26.2mm
Dimension B1	23.0mm
Dimension B2	25.4mm
Dimension C	32.6mm
Dimension D1	27.8mm
Dimension D2	32.6mm
Dimension E1	9.9mm
Dimension E2	9.9mm
Dimension F	45.0mm
Dimension H1	77.8mm
Dimension H2	82.6mm
Dimension I	15.1mm
Dimension L	52.4mm

Cv Coefficient	2.2000000000000002
End Size	44200in
End Size 2	44200in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	4mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV1-F-4N-GR SUNV Union Bonnet Needle Valves

SUNV 1/4 in. Female National Pipe Taper (FNPT) Thread, Grafoil Packing, Bar Handle, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	26.2mm
Dimension B1	23.0mm
Dimension B2	25.4mm
Dimension C	32.6mm
Dimension D1	27.8mm
Dimension D2	32.6mm
Dimension E1	9.9mm
Dimension E2	9.9mm
Dimension F	45.0mm
Dimension H1	121.5mm
Dimension H2	126.2mm
Dimension I	15.1mm
Dimension L	52.4mm

Cv Coefficient	2.2000000000000002
End Size	44198in
End Size 2	44198in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV1-S-4 SUNV Union Bonnet Needle Valves

SUNV 1/4 in. Outside Diameter, Polytetrafluoroethylene (PTFE) Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	31.0mm
Dimension B1	29.4mm
Dimension B2	37.3mm
Dimension C	38.9mm
Dimension D1	27.8mm
Dimension D2	27.8mm
Dimension E1	9.9mm
Dimension E2	9.9mm
Dimension F	45.0mm
Dimension H1	77.8mm
Dimension H2	77.8mm
Dimension I	15.1mm
Dimension L	62.0mm

Cv Coefficient	0.35
End Size	44200in
End Size 2	44200in
End Type	Array
End Type 2	Array
Inch/Metric	Inch
Orifice Diameter	4mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV1-S-4-GR SUNV Union Bonnet Needle Valves

SUNV 1/4 in. Outside Diameter, Grafoil Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	31.0mm
Dimension B1	29.4mm
Dimension B2	37.3mm
Dimension C	38.9mm
Dimension D1	27.8mm
Dimension D2	27.8mm
Dimension E1	9.9mm
Dimension E2	9.9mm
Dimension F	45.0mm
Dimension H1	77.8mm
Dimension H2	77.8mm
Dimension I	15.1mm
Dimension L	62.0mm

Cv Coefficient	0.35
End Size	44200in
End Size 2	44200in
End Type	Array
End Type 2	Array
Inch/Metric	Inch
Orifice Diameter	4mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV2-S-6 SUNV Union Bonnet Needle Valves

Model: SUNV2-S-6 (3/8" tube OD needle valve, 316 stainless steel)
Type: Union Bonnet Needle Valve (straight pattern)
Body Material: 316 Stainless Steel, Alloy 400
Cv Coefficient: 0.86
Packing: PTFE (Polytetrafluoroethylene)
Working Pressure: 6000 PSIG

Dimension A	36.5mm
Dimension B1	32.5mm
Dimension B2	42.9mm
Dimension C	45.3mm
Dimension D1	34.1mm
Dimension D2	31.0mm
Dimension E1	12.7mm
Dimension E2	12.7mm
Dimension F	64.0mm
Dimension H1	93.7mm
Dimension H2	90.5mm
Dimension I	15.9mm
Dimension L	73.0mm

Cv Coefficient	0.86
End Size	44263in
End Size 2	44263in
Inch/Metric	Inch
Orifice Diameter	6mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV2-S-6-GR SUNV Union Bonnet Needle Valves

SUNV 3/8 in. Outside Diameter, Grafoil Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	36.5mm
Dimension B1	32.5mm
Dimension B2	42.9mm
Dimension C	45.3mm
Dimension D1	34.1mm
Dimension D2	31.0mm
Dimension E1	12.7mm
Dimension E2	12.7mm
Dimension F	64.0mm
Dimension H1	93.7mm
Dimension H2	90.5mm
Dimension I	15.9mm
Dimension L	73.0mm

Cv Coefficient	0.86
End Size	44263in
End Size 2	44263in
End Type	Array
End Type 2	Array
Inch/Metric	Inch
Orifice Diameter	6mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV2-S-8 SUNV Union Bonnet Needle Valves

SUNV 1/2 in. Outside Diameter, Polytetrafluoroethylene (PTFE) Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	38.9mm
Dimension B1	34.9mm
Dimension B2	42.1mm
Dimension C	47.6mm
Dimension D1	34.1mm
Dimension D2	37.3mm
Dimension E1	12.7mm
Dimension E2	12.7mm
Dimension F	64.0mm
Dimension H1	93.7mm
Dimension H2	90.5mm
Dimension I	15.9mm
Dimension L	77.8mm

Cv Coefficient	0.86
End Size	44198in
End Size 2	44198in
End Type	Array
End Type 2	Array
Inch/Metric	Inch
Orifice Diameter	6mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV2-S-8-GR SUNV Union Bonnet Needle Valves

SUNV 1/2 in. Outside Diameter, Grafoil Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	38.9mm
Dimension B1	34.9mm
Dimension B2	42.1mm
Dimension C	47.6mm
Dimension D1	34.1mm
Dimension D2	37.3mm
Dimension E1	12.7mm
Dimension E2	12.7mm
Dimension F	64.0mm
Dimension H1	93.7mm
Dimension H2	90.5mm
Dimension I	26.2mm
Dimension L	77.8mm

Cv Coefficient	2.2000000000000002
End Size	44198in
End Size 2	44198in
End Type	Array
End Type 2	Array
Inch/Metric	Inch
Orifice Diameter	6mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV3-F-8N SUNV Union Bonnet Needle Valves

SUNV 1/2 in. Female National Pipe Taper (FNPT) Thread, Polytetrafluoroethylene (PTFE) Packing, Bar Handle, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	39.7mm
Dimension B1	33.3mm
Dimension B2	39.7mm
Dimension C	50.8mm
Dimension D1	46.1mm
Dimension D2	50.8mm
Dimension E1	15.9mm
Dimension E2	17.5mm
Dimension F	89.0mm
Dimension H1	123.9mm
Dimension H2	mm
Dimension I	26.2mm
Dimension L	79.4mm

Cv Coefficient	2.2000000000000002
End Size	44198in
End Size 2	44198in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV3-F-8N-GR SUNV Union Bonnet Needle Valves

SUNV 1/2 in. Female National Pipe Taper (FNPT) Thread, Grafoil Packing, Bar Handle, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	39.7mm
Dimension B1	33.3mm
Dimension B2	39.7mm
Dimension C	50.8mm
Dimension D1	46.1mm
Dimension D2	50.8mm
Dimension E1	15.9mm
Dimension E2	17.5mm
Dimension F	89.0mm
Dimension H1	129.4mm
Dimension H2	mm
Dimension I	26.2mm
Dimension L	79.4mm

Cv Coefficient	2.2000000000000002
End Size	44259in
End Size 2	44259in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV3-F-12N SUNV Union Bonnet Needle Valves

SUNV 3/4 in. Female National Pipe Taper (FNPT) Thread, Polytetrafluoroethylene (PTFE) Packing, Bar Handle, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	41.3mm
Dimension B1	mm
Dimension B2	mm
Dimension C	mm
Dimension D1	48.4mm
Dimension D2	mm
Dimension E1	19.9mm
Dimension E2	mm
Dimension F	89.0mm
Dimension H1	mm
Dimension H2	mm
Dimension I	26.2mm
Dimension L	82.6mm

Cv Coefficient	2.2000000000000002
End Size	44259in
End Size 2	44259in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV3-F-16N SUNV Union Bonnet Needle Valves

SUNV 1 in. Female National Pipe Taper (FNPT) Thread, Polytetrafluoroethylene (PTFE) Packing, Bar Handle, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	46.0mm
Dimension B1	mm
Dimension B2	mm
Dimension C	mm
Dimension D1	54.0mm
Dimension D2	mm
Dimension E1	25.4mm
Dimension E2	mm
Dimension F	89.0mm
Dimension H1	mm
Dimension H2	mm
Dimension I	26.2mm
Dimension L	92.1mm

Cv Coefficient	2.2000000000000002
End Size	1in
End Size 2	1in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	-54 to 232?C, 65 to 450?F

SUNV3-MF-8N SUNV Union Bonnet Needle Valves

SUNV 1/2 in. Male National Pipe Taper (MNPT) Thread x 1/2 in. Female National Pipe Taper (FNPT) Thread, Polytetrafluoroethylene (PTFE) Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	39.7mm
Dimension B1	33.3mm
Dimension B2	39.7mm
Dimension C	50.8mm
Dimension D1	46.0mm
Dimension D2	50.8mm
Dimension E1	15.9mm
Dimension E2	17.5mm
Dimension F	89.0mm
Dimension H1	121.5mm
Dimension H2	126.2mm
Dimension I	26.2mm
Dimension L	79.4mm

Cv Coefficient	0.35
End Size	44259in
End Size 2	44259in
End Type	Male National Pipe Thread (MNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV3-MF-12N SUNV Union Bonnet Needle Valves

SUNV 3/4 in. Male National Pipe Taper (MNPT) Thread x 3/4 in. Female National Pipe Taper (FNPT) Thread, Polytetrafluoroethylene (PTFE) Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve

Dimension A	41.3mm
Dimension B1	mm
Dimension B2	mm
Dimension C	mm
Dimension D1	48.4mm
Dimension D2	mm
Dimension E1	25.4mm
Dimension E2	mm
Dimension F	89.0mm
Dimension H1	123.9mm
Dimension H2	mm
Dimension I	26.2mm
Dimension L	82.6mm

Cv Coefficient	0.35
End Size	44200in
End Size 2	44200in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	4mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV3-S-8-PE SUNV Union Bonnet Needle Valves

SUNV 1/2 in. Outside Diameter, Peek Packing, -65 to 600 ?F Temperature Rating, 6000 psi Union Bonnet Needle Valve

Dimension A	50.0mm
Dimension B1	43.7mm
Dimension B2	53.2mm
Dimension C	61.1mm
Dimension D1	46.0mm
Dimension D2	47.6mm
Dimension E1	15.9mm
Dimension E2	17.5mm
Dimension F	89.0mm
Dimension H1	121.5mm
Dimension H2	123.1mm
Dimension I	26.2mm
Dimension L	100.0mm

Cv Coefficient	2.2000000000000002
End Size	1in
End Size 2	1in
End Type	Female National Pipe Thread (FNPT)
End Type 2	Female National Pipe Thread (FNPT)
Inch/Metric	Inch
Orifice Diameter	11mm
Temperature Rating with Graphite Packing	-53 to 648?C, -65 to 1200?F
Temperature Rating with Polychlorotrifluoroethylene (PCTFE) Stem Tip	-53 to 93?C, -65 to 200?F
Temperature Rating with Polyether Ether Ketone (PEEK) Packing	-53 to 315?C, -65 to 600?F
Temperature Rating with Polytetrafluoroethylene (PTFE) Packing	?C, ?F

SUNV3-S-16 SUNV Union Bonnet Needle Valves

SUNV 1 in. Outside Diameter, Polytetrafluoroethylene (PTFE) Packing, 6000 psi Pressure Rating Union Bonnet Needle Valve