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4VF4-SS by Dixon Valve | Hydraulic Quick Disconnect Coupling | V-Series | 1 2 Female NPTF x 1 2 MIL-C-51234 Valved | Socket | Nitrile Seal | 316 Stainless Steel Supply

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Compatibility & Interchange:
  • Interchangeable to MIL-C-51234
  • Interchangeable with Snap-Tite H IH Series and Faster TNV
Construction:
  • Machined components are manufactured using solid bar stock.
  • Stainless steel balls, retaining rings and springs maximize corrosion resistance and extend service life.
  • Steel componentry is plated using ROHS Compliant Trivalent Chrome.
  • Steel coupler sleeves are hardened to resist deformation and maximize service life.
Seal Components:
  • Nitrile seals are standard, providing a temperature range of -40°F to 250°F (-40°C to 121°C).
  • All couplers incorporate a PTFE anti-extrusion ring to protect the seal components from dynamic impulse damage.
  • 1 4 to 1 valve seals are crimped in place to maintain integrity during excessive flow conditions and pressurized connection.
  • 1-1 4 to 2 valve O-rings are retained by a uniqueseal-groove profile and are field replaceable.
Additional Information:
Rated Pressure Chart | V-Series MIL-C-51234 (Valved Connected)
Body
Size

 Steel Coupler Plug

 Brass Coupler Plug

 316 Stainless Coupler Plug
Maximum Working

 Burst

 Maximum Working

 Burst

 Maximum Working

 Burst
1 4

6,500 PSI

 450 bar

 12,700 PSI

 876 bar

 2,250 PSI

 150 bar

 5,000 PSI

 345 bar

 5,000 PSI

 345 bar

 10,000 PSI

 700 bar
3 8

4,500 PSI

 310 bar

 10,500 PSI

 700 bar

 2,250 PSI

 150 bar

 5,300 PSI

 350 bar

 4,000 PSI

 275 bar

 8,000 PSI

 550 bar
1 2

4,000 PSI

 275 bar

 9,600 PSI

 650 bar

 2,000 PSI

 130 bar

 5,700 PSI

 390 bar

 3,750 PSI

 260 bar

 7,500 PSI

 500 bar
3 4

3,500 PSI

 240 bar

 9,100 PSI

 600 bar

 2,000 PSI

 130 bar

 5,300 PSI

 350 bar

 2,000 PSI

 130 bar

 7,500 PSI

 500 bar
1

2,000 PSI

 130 bar

 9,500 PSI

 650 bar

 1,750 PSI

 120 bar

 5,000 PSI

 345 bar

 2,000 PSI

 130 bar

 5,000 PSI

 345 bar
1-1 4

1,750 PSI

 120 bar

 5,000 PSI

 345 bar

 350 PSI

 24 bar

 1,000 PSI

 70 bar

 1,500 PSI

 100 bar

 3,000 PSI

 200 bar
1-1 2

1,500 PSI

 100 bar

 5,000 PSI

 345 bar

 350 PSI

 24 bar

 1,200 PSI

 80 bar

 1,500 PSI

 100 bar

 3,000 PSI

 200 bar
2

1,500 PSI

 100 bar

 4,000 PSI

 275 bar

 400 PSI

 28 bar

 1,000 PSI

 70 bar

 500 PSI

 34 bar

 1,000 PSI

 70 bar

Minimum burst pressure ratings were established under laboratory conditions using a Static Burst Unit (SBU). For high
impulse applications and to meet Det Norske Veritas (DNV) compliance, the burst pressure must be divided by four (4) to
ensure a 4:1 safety factor during system operation.

V-Series | MIL-C-51234 Valved Coupler (Female Threads)
src=
Part
Number

 Coupling
Type

 Body
Size

 Threads

 Material

 Length

 Max.
OD

 Hex
2VF1

 Socket Female

 1 4

1 8 – 27 Female NPTF

Steel

 1.68
(42.7mm)

 0.99
(25.1mm)

 7 8

2VF2

 Socket Female

 1 4

1 4 – 18 Female NPTF

Steel

 1.68
(42.7mm)

 0.99
(25.1mm)

 7 8

2VF2-B

 Socket Female

 1 4

1 4 – 18 Female NPTF

Brass

 1.68
(42.7mm)

 0.99
(25.1mm)

 7 8

2VF2-SS

 Socket Female

 1 4

1 4 – 18 Female NPTF

316 Stainless

 1.68
(42.7mm)

 0.99
(25.1mm)

 7 8

2VBF2

 Socket Female

 1 4

1 4 – 19 Female BSPP

 Steel

 1.81
(46.0mm)

 0.99
(25.1mm)

 7 8

2VBF2-B

 Socket Female

 1 4

1 4 – 19 Female BSPP

 Brass

 1.81
(46.0mm)

 0.99
(25.1mm)

 7 8

2VBF2-SS

 Socket Female

 1 4

1 4 – 19 Female BSPP

 316 Stainless

 1.81
(46.0mm)

 0.99
(25.1mm)

 7 8

2VOF2

 Socket Female

 1 4

7 16 – 20 Female ORB

Steel

 1.81
(46.0mm)

 0.99
(25.1mm)

 7 8

3VF3

 Socket Female

 3 8

3 8 – 18 Female NPTF

Steel

 1.94
(49.3mm)

 1.18
(30.0mm)

 1

3VF3-B

 Socket Female

 3 8

3 8 – 18 Female NPTF

Brass

 1.94
(49.3mm)

 1.18
(30.0mm)

 1

3VF3-SS

 Socket Female

 3 8

3 8 – 18 Female NPTF

316 Stainless

 1.94
(49.3mm)

 1.18
(30.0mm)

 1

3VBF3

 Socket Female

 3 8

3 8 – 19 Female BSPP

 Steel

 2.01
(51.1mm)

 1.18
(30.0mm)

 1

3VBF3-B

 Socket Female

 3 8

3 8 – 19 Female BSPP

 Brass

 2.01
(51.1mm)

 1.18
(30.0mm)

 1

3VBF3-SS

 Socket Female

 3 8

3 8 – 19 Female BSPP

 316 Stainless

 2.01
(51.1mm)

 1.18
(30.0mm)

 1

3VOF3

 Socket Female

 3 8

9 16 – 18 Female ORB

 Steel

 2.01
(51.1mm)

 1.18
(30.0mm)

 1

3VF4

 Socket Female

 3 8

1 2 – 14 Female NPTF

Steel

 2.01
(51.1mm)

 1.18
(30.0mm)

 1

4VF4

 Socket Female

 1 2

1 2 – 14 Female NPTF

Steel

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VF4-B

 Socket Female

 1 2

1 2 – 14 Female NPTF

Brass

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VF4-SS

 Socket Female

 1 2

1 2 – 14 Female NPTF

316 Stainless

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VBF4

 Socket Female

 1 2

1 2 – 14 Female BSPP

Steel

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VBF4-B

 Socket Female

 1 2

1 2 – 14 Female BSPP

Brass

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VBF4-SS

 Socket Female

 1 2

1 2 – 14 Female BSPP

316 Stainless

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VOF4

 Socket Female

 1 2

3 4 – 16 Female ORB

Steel

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

4VF6

 Socket Female

 1 2

3 4 – 14 Female NPTF

Steel

 2.13
(54.1mm)

 1.36
(34.5mm)

 1-3 16

6VF6

 Socket Female

 3 4

3 4 – 14 Female NPTF

Steel

 2.47
(62.7mm)

 1.67
(42.4mm)

 1-1 2

6VF6-B

 Socket Female

 3 4

3 4 – 14 Female NPTF

Brass

 2.47
(62.7mm)

 1.67
(42.4mm)

 1-1 2

6VF6-SS

 Socket Female

 3 4

3 4 – 14 Female NPTF

316 Stainless

 2.47
(62.7mm)

 1.67
(42.4mm)

 1-1 2

6VBF6

 Socket Female

 3 4

3 4 – 14 Female BSPP

 Steel

 2.96
(75.2mm)

 1.67
(42.4mm)

 1-1 2

6VBF6-B

 Socket Female

 3 4

3 4 – 14 Female BSPP

 Brass

 2.96
(75.2mm)

 1.67
(42.4mm)

 1-1 2

6VBF6-SS

 Socket Female

 3 4

3 4 – 14 Female BSPP

 316 Stainless

 2.96
(75.2mm)

 1.67
(42.4mm)

 1-1 2

6VOF6

 Socket Female

 3 4

1-1 16 – 12 Female ORB

 Steel

 2.96
(75.2mm)

 1.67
(42.4mm)

 1-1 2

8VF8

 Socket Female

 1

1 – 11-1 2 Female NPTF

 Steel

 2.70
(68.6mm)

 2.06
(52.3mm)

 1-7 8

8VF8-B

 Socket Female

 1

1 – 11-1 2 Female NPTF

 Brass

 2.70
(68.6mm)

 2.06
(52.3mm)

 1-7 8

8VF8-SS

 Socket Female

 1

1 – 11-1 2 Female NPTF

 316 Stainless

 2.70
(68.6mm)

 2.06
(52.3mm)

 1-7 8

8VBF8

 Socket Female

 1

1 – 11 Female BSPP

 Steel

 2.97
(75.4mm)

 2.06
(52.3mm)

 1-7 8

8VBF8-B

 Socket Female

 1

1 – 11 Female BSPP

 Brass

 2.97
(75.4mm)

 2.06
(52.3mm)

 1-7 8

8VBF8-SS

 Socket Female

 1

1 – 11 Female BSPP

 316 Stainless

 2.97
(75.4mm)

 2.06
(52.3mm)

 1-7 8

8VOF8

 Socket Female

 1

1-5 16 – 12 Female ORB

 Steel

 2.97
(75.4mm)

 2.06
(52.3mm)

 1-7 8

src=
10VF10

 Socket Female

 1-1 4

1-1 4 – 11-1 2 Female NPTF

 Steel

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

10VF10-B

 Socket Female

 1-1 4

1-1 4 – 11-1 2 Female NPTF

 Brass

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

10VF10-SS

 Socket Female

 1-1 4

1-1 4 – 11-1 2 Female NPTF

 316 Stainless

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

10VBF10

 Socket Female

 1-1 4

1-1 4 – 11 Female BSPP

 Steel

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

10VBF10-B

 Socket Female

 1-1 4

1-1 4 – 11 Female BSPP

 Brass

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

10VBF10-SS

 Socket Female

 1-1 4

1-1 4 – 11 Female BSPP

 316 Stainless

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

10VOF10

 Socket Female

 1-1 4

1-5 8 – 12 Female ORB

 Steel

 3.54
(89.9mm)

 2.19
(55.6mm)

 2

12VF12

 Socket Female

 1-1 2

1-1 2 – 11-1 2 Female NPTF

 Steel

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

12VF12-B

 Socket Female

 1-1 2

1-1 2 – 11-1 2 Female NPTF

 Brass

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

12VF12-SS

 Socket Female

 1-1 2

1-1 2 – 11-1 2 Female NPTF

 316 Stainless

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

12VBF12

 Socket Female

 1-1 2

1-1 2 – 11 Female BSPP

 Steel

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

12VBF12-B

 Socket Female

 1-1 2

1-1 2 – 11 Female BSPP

 Brass

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

12VBF12-SS

 Socket Female

 1-1 2

1-1 2 – 11 Female BSPP

 316 Stainless

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

12VOF12

 Socket Female

 1-1 2

1-7 8 – 12 Female ORB

 Steel

 3.27
(83.1mm)

 2.74
(69.6mm)

 2-1 2

16VF16

 Socket Female

 2

2 – 11-1 2 Female NPTF

 Steel

 3.92
(99.6mm)

 3.83
(97.3mm)

 3-1 2

16VF16-B

 Socket Female

 2

2 – 11-1 2 Female NPTF

 Brass

 3.92
(99.6mm)

 3.83
(97.3mm)

 3-1 2

16VF16-SS

 Socket Female

 2

2 – 11-1 2 Female NPTF

 316 stainless

 3.92
(99.6mm)

 3.83
(97.3mm)

 3-1 2

16VBF16

 Socket Female

 2

2 – 11 Female BSPP

 Steel

 3.92
(99.6mm)

 3.83
(97.3mm)

 3-1 2

16VBF16-B

 Socket Female

 2

2 – 11 Female BSPP

 Brass

 3.92
(99.6mm)

 3.83
(97.3mm)

 3-1 2

16VBF16-SS

 Socket Female

 2

2 – 11 Female BSPP

 316 Stainless

 3.92
(99.6mm)

 3.83
(97.3mm)

 3-1 2

V-Series | MIL-C-51234 Valved Plug (Female Threads)
src=
Part
Number

 Coupling
Type

 Body
Size

 Threads

 Material

 Length

 Max.
OD

 Hex
V2F1

 Plug Male

 1 4

1 8 – 27 Female NPTF

Steel

 1.62
(41.1mm)

 0.97
(24.6mm)

 7 8

V2F2

 Plug Male

 1 4

1 4 – 18 Female NPTF

Steel

 1.62
(41.1mm)

 0.97
(24.6mm)

 7 8

V2F2-B

 Plug Male

 1 4

1 4 – 18 Female NPTF

Brass

 1.62
(41.1mm)

 0.97
(24.6mm)

 7 8

V2F2-SS

 Plug Male

 1 4

1 4 – 18 Female NPTF

316 Stainless

 1.62
(41.1mm)

 0.97
(24.6mm)

 7 8

V2BF2

 Plug Male

 1 4

1 4 – 19 Female BSPP

 Steel

 1.75
(44.5mm)

 0.97
(24.6mm)

 7 8

V2BF2-B

 Plug Male

 1 4

1 4 – 19 Female BSPP

 Brass

 1.75
(44.5mm)

 0.97
(24.6mm)

 7 8

V2BF2-SS

 Plug Male

 1 4

1 4 – 19 Female BSPP

 316 Stainless

 1.75
(44.5mm)

 0.97
(24.6mm)

 7 8

V2OF2

 Plug Male

 1 4

7 16 – 20 Female ORB

Steel

 1.75
(44.5mm)

 0.97
(24.6mm)

 7 8

V3F3

 Plug Male

 3 8

3 8 – 18 Female NPTF

Steel

 1.87
(47.5mm)

 1.10
(27.9mm)

 1

V3F3-B

 Plug Male

 3 8

3 8 – 18 Female NPTF

Brass

 1.87
(47.5mm)

 1.10
(27.9mm)

 1

V3F3-SS

 Plug Male

 3 8

3 8 – 18 Female NPTF

316 Stainless

 1.87
(47.5mm)

 1.10
(27.9mm)

 1

V3BF3

 Plug Male

 3 8

3 8 – 19 Female BSPP

 Steel

 1.94
(49.3mm)

 1.10
(27.9mm)

 1

V3BF3-B

 Plug Male

 3 8

3 8 – 19 Female BSPP

 Brass

 1.94
(49.3mm)

 1.10
(27.9mm)

 1

V3BF3-SS

 Plug Male

 3 8

3 8 – 19 Female BSPP

 316 Stainless

 1.94
(49.3mm)

 1.10
(27.9mm)

 1

V3OF3

 Plug Male

 3 8

9 16 – 18 Female ORB

 Steel

 1.94
(49.3mm)

 1.10
(27.9mm)

 1

V3F4

 Plug Male

 3 8

1 2 – 14 Female NPTF

Steel

 1.94
(49.3mm)

 1.10
(27.9mm)

 1

V4F4

 Plug Male

 1 2

1 2 – 14 Female NPTF

Steel

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4F4-B

 Plug Male

 1 2

1 2 – 14 Female NPTF

Brass

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4F4-SS

 Plug Male

 1 2

1 2 – 14 Female NPTF

316 Stainless

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4BF4

 Plug Male

 1 2

1 2 – 14 Female BSPP

Steel

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4BF4-B

 Plug Male

 1 2

1 2 – 14 Female BSPP

Brass

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4BF4-SS

 Plug Male

 1 2

1 2 – 14 Female BSPP

316 Stainless

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4OF4

 Plug Male

 1 2

3 4 – 16 Female ORB

Steel

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V4F6

 Plug Male

 1 2

3 4 – 14 Female NPTF

 Steel

 1.99
(50.5mm)

 1.31
(33.3mm)

 1-3 16

V6F6

 Plug Male

 3 4

3 4 – 14 Female NPTF

 Steel

 2.31
(58.7mm)

 1.65
(41.9mm)

 1-1 2

V6F6-B

 Plug Male

 3 4

3 4 – 14 Female NPTF

 Brass

 2.31
(58.7mm)

 1.65
(41.9mm)

 1-1 2

V6F6-SS

 Plug Male

 3 4

3 4 – 14 Female NPTF

 316 Stainless

 2.31
(58.7mm)

 1.65
(41.9mm)

 1-1 2

V6BF6

 Plug Male

 3 4

3 4 – 14 Female BSPP

 Steel

 2.80
(71.1mm)

 1.65
(41.9mm)

 1-1 2

V6BF6-B

 Plug Male

 3 4

3 4 – 14 Female BSPP

 Brass

 2.80
(71.1mm)

 1.65
(41.9mm)

 1-1 2

V6BF6-SS

 Plug Male

 3 4

3 4 – 14 Female BSPP

 316 Stainless

 2.80
(71.1mm)

 1.65
(41.9mm)

 1-1 2

V6OF6

 Plug Male

 3 4

1-1 16 – 12 Female ORB

 Steel

 2.80
(71.1mm)

 1.65
(41.9mm)

 1-1 2

V8F8

 Plug Male

 1

1 – 11-1 2 Female NPTF

 Steel

 2.60
(66.0mm)

 2.06
(52.3mm)

 1-7 8

V8F8-B

 Plug Male

 1

1 – 11-1 2 Female NPTF

 Brass

 2.60
(66.0mm)

 2.06
(52.3mm)

 1-7 8

V8F8-SS

 Plug Male

 1

1 – 11-1 2 Female NPTF

 316 Stainless

 2.60
(66.0mm)

 2.06
(52.3mm)

 1-7 8

V8BF8

 Plug Male

 1

1 – 11 Female BSPP

 Steel

 2.87
(72.9mm)

 2.06
(52.3mm)

 1-7 8

V8BF8-B

 Plug Male

 1

1 – 11 Female BSPP

 Brass

 2.87
(72.9mm)

 2.06
(52.3mm)

 1-7 8

V8BF8-SS

 Plug Male

 1

1 – 11 Female BSPP

 316 Stainless

 2.87
(72.9mm)

 2.06
(52.3mm)

 1-7 8

V8OF8

 Plug Male

 1

1-5 16 – 12 Female ORB

 Steel

 2.85
(72.6mm)

 2.06
(52.3mm)

 1-7 8

src=
V10F10

 Plug Male

 1-1 4

1-1 4 – 11-1 2 Female NPTF

 Steel

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V10F10-B

 Plug Male

 1-1 4

1-1 4 – 11-1 2 Female NPTF

 Brass

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V10F10-SS

 Plug Male

 1-1 4

1-1 4 – 11-1 2 Female NPTF

 316 Stainless

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V10BF10

 Plug Male

 1-1 4

1-1 4 – 11 Female BSPP

 Steel

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V10BF10-B

 Plug Male

 1-1 4

1-1 4 – 11 Female BSPP

 Brass

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V10BF10-SS

 Plug Male

 1-1 4

1-1 4 – 11 Female BSPP

 316 Stainless

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V10OF10

 Plug Male

 1-1 4

1-5 8 – 12 Female ORB

 Steel

 3.41
(86.6mm)

 2.19
(55.6mm)

 2

V12F12

 Plug Male

 1-1 2

1-1 2 – 11-1 2 Female NPTF

 Steel

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V12F12-B

 Plug Male

 1-1 2

1-1 2 – 11-1 2 Female NPTF

 Brass

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V12F12-SS

 Plug Male

 1-1 2

1-1 2 – 11-1 2 Female NPTF

 316 Stainless

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V12BF12

 Plug Male

 1-1 2

1-1 2 – 11 Female BSPP

 Steel

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V12BF12-B

 Plug Male

 1-1 2

1-1 2 – 11 Female BSPP

 Brass

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V12BF12-SS

 Plug Male

 1-1 2

1-1 2 – 11 Female BSPP

 316 Stainless

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V12OF12

 Plug Male

 1-1 2

1-7 8 – 12 Female ORB

 Steel

 3.35
(79.0mm)

 2.74
(69.6mm)

 2-1 2

V16F16

 Plug Male

 2

2 – 11-1 2 Female NPTF

 Steel

 3.72
(94.5mm)

 3.83
(97.3mm)

 3-1 2

V16F16-B

 Plug Male

 2

2 – 11-1 2 Female NPTF

 Brass

 3.72
(94.5mm)

 3.83
(97.3mm)

 3-1 2

V16F16-SS

 Plug Male

 2

2 – 11-1 2 Female NPTF

 316 Stainless

 3.72
(94.5mm)

 3.83
(97.3mm)

 3-1 2

V16BF16

 Plug Male

 2

2 – 11 Female BSPP

 Steel

 3.72
(94.5mm)

 3.83
(97.3mm)

 3-1 2

V16BF16-B

 Plug Male

 2

2 – 11 Female BSPP

 Brass

 3.72
(94.5mm)

 3.83
(97.3mm)

 3-1 2

V16BF16-SS

 Plug Male

 2

2 – 11 Female BSPP

 316 Stainless

 3.72
(94.5mm)

 3.83
(97.3mm)

 3-1 2

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