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| 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 Plug (Male Threads) | |||||||
|---|---|---|---|---|---|---|---|
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| Part Number |
Coupling Type |
Body Size |
Threads | Material | Length | Max. OD |
Hex |
| V2M1 | Plug/Male | 1/4″ | 1/8″ – 27 Male NPTF | Steel | 2.06″ (52.3mm) |
0.97″ (24.6mm) |
7/8″ |
| V2M2 | Plug/Male | 1/4″ | 1/4″ – 18 Male NPTF | Steel | 2.06″ (52.3mm) |
0.97″ (24.6mm) |
7/8″ |
| V2M2-B | Plug/Male | 1/4″ | 1/4″ – 18 Male NPTF | Brass | 2.06″ (52.3mm) |
0.97″ (24.6mm) |
7/8″ |
| V2M2-SS | Plug/Male | 1/4″ | 1/4″ – 18 Male NPTF | 316 Stainless | 2.06″ (52.3mm) |
0.97″ (24.6mm) |
7/8″ |
| V3M3 | Plug/Male | 3/8″ | 3/8″ – 18 Male NPTF | Steel | 2.25″ (57.2mm) |
1.10″ (27.9mm) |
1″ |
| V3M3-B | Plug/Male | 3/8″ | 3/8″ – 18 Male NPTF | Brass | 2.25″ (57.2mm) |
1.10″ (27.9mm) |
1″ |
| V3M3-SS | Plug/Male | 3/8″ | 3/8″ – 18 Male NPTF | 316 Stainless | 2.25″ (57.2mm) |
1.10″ (27.9mm) |
1″ |
| V4M4 | Plug/Male | 1/2″ | 1/2″ – 14 Male NPTF | Steel | 2.40″ (61.0mm) |
1.31″ (33.3mm) |
1-3/16″ |
| V4M4-B | Plug/Male | 1/2″ | 1/2″ – 14 Male NPTF | Brass | 2.40″ (61.0mm) |
1.31″ (33.3mm) |
1-3/16″ |
| V4M4-SS | Plug/Male | 1/2″ | 1/2″ – 14 Male NPTF | 316 Stainless | 2.40″ (61.0mm) |
1.31″ (33.3mm) |
1-3/16″ |
| V6M6 | Plug/Male | 3/4″ | 3/4″ – 14 Male NPTF | Steel | 2.91″ (73.9mm) |
1.65″ (41.9mm) |
1-1/2″ |
| V6M6-B | Plug/Male | 3/4″ | 3/4″ – 14 Male NPTF | Brass | 2.91″ (73.9mm) |
1.65″ (41.9mm) |
1-1/2″ |
| V6M6-SS | Plug/Male | 3/4″ | 3/4″ – 14 Male NPTF | 316 Stainless | 2.91″ (73.9mm) |
1.65″ (41.9mm) |
1-1/2″ |
| V8M8 | Plug/Male | 1″ | 1″ – 11-1/2 Male NPTF | Steel | 3.22″ (81.8mm) |
2.06″ (52.3mm) |
1-7/8″ |
| V8M8-B | Plug/Male | 1″ | 1″ – 11-1/2 Male NPTF | Brass | 3.22″ (81.8mm) |
2.06″ (52.3mm) |
1-7/8″ |
| V8M8-SS | Plug/Male | 1″ | 1″ – 11-1/2 Male NPTF | 316 Stainless | 3.22″ (81.8mm) |
2.06″ (52.3mm) |
1-7/8″ |
| V10M10 | Plug/Male | 1-1/4″ | 1-1/4″ – 11-1/2 Male NPTF | Steel | 3.46″ (87.9mm) |
2.19″ (55.6mm) |
2″ |
| V10M10-B | Plug/Male | 1-1/4″ | 1-1/4″ – 11-1/2 Male NPTF | Brass | 3.46″ (87.9mm) |
2.19″ (55.6mm) |
2″ |
| V10M10-SS | Plug/Male | 1-1/4″ | 1-1/4″ – 11-1/2 Male NPTF | 316 Stainless | 3.46″ (87.9mm) |
2.19″ (55.6mm) |
2″ |
| V12M12 | Plug/Male | 1-1/2″ | 1-1/2″ – 11-1/2 Male NPTF | Steel | 3.85″ (97.8mm) |
2.74″ (69.6mm) |
2-1/2″ |
| V12M12-B | Plug/Male | 1-1/2″ | 1-1/2″ – 11-1/2 Male NPTF | Brass | 3.85″ (97.8mm) |
2.74″ (69.6mm) |
2-1/2″ |
| V12M12-SS | Plug/Male | 1-1/2″ | 1-1/2″ – 11-1/2 Male NPTF | 316 Stainless | 3.85″ (97.8mm) |
2.74″ (69.6mm) |
2-1/2″ |
| V16M16 | Plug/Male | 2″ | 2″ – 11-1/2 Male NPTF | Steel | 4.34″ (110.2mm) |
3.83″ (97.3mm) |
3-1/2″ |
| V16M16-B | Plug/Male | 2″ | 2″ – 11-1/2 Male NPTF | Brass | 4.34″ (110.2mm) |
3.83″ (97.3mm) |
3-1/2″ |
| V16M16-SS | Plug/Male | 2″ | 2″ – 11-1/2 Male NPTF | 316 Stainless | 4.34″ (110.2mm) |
3.83″ (97.3mm) |
3-1/2″ |
| V-Series | MIL-C-51234 Valved Coupler (Male Threads) | |||||||
|---|---|---|---|---|---|---|---|
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| Part Number |
Coupling Type |
Body Size |
Threads | Material | Length | Max. OD |
Hex |
| 2VM1 | Socket/Female | 1/4″ | 1/8″ – 27 Male NPTF | Steel | 2.12″ (53.8mm) |
0.99″ (25.1mm) |
7/8″ |
| 2VM2 | Socket/Female | 1/4″ | 1/4″ – 18 Male NPTF | Steel | 2.12″ (53.8mm) |
0.99″ (25.1mm) |
7/8″ |
| 2VM2-B | Socket/Female | 1/4″ | 1/4″ – 18 Male NPTF | Brass | 2.12″ (53.8mm) |
0.99″ (25.1mm) |
7/8″ |
| 2VM2-SS | Socket/Female | 1/4″ | 1/4″ – 18 Male NPTF | 316 Stainless | 2.12″ (53.8mm) |
0.99″ (25.1mm) |
7/8″ |
| 3VM3 | Socket/Female | 3/8″ | 3/8″ – 18 Male NPTF | Steel | 2.32″ (58.9mm) |
1.18″ (30.0mm) |
1″ |
| 3VM3-B | Socket/Female | 3/8″ | 3/8″ – 18 Male NPTF | Brass | 2.32″ (58.9mm) |
1.18″ (30.0mm) |
1″ |
| 3VM3-SS | Socket/Female | 3/8″ | 3/8″ – 18 Male NPTF | 316 Stainless | 2.32″ (58.9mm) |
1.18″ (30.0mm) |
1″ |
| 4VM4 | Socket/Female | 1/2″ | 1/2″ – 14 Male NPTF | Steel | 2.54″ (64.5mm) |
1.36″ (34.5mm) |
1-3/16″ |
| 4VM4-B | Socket/Female | 1/2″ | 1/2″ – 14 Male NPTF | Brass | 2.54″ (64.5mm) |
1.36″ (34.5mm) |
1-3/16″ |
| 4VM4-SS | Socket/Female | 1/2″ | 1/2″ – 14 Male NPTF | 316 Stainless | 2.54″ (64.5mm) |
1.36″ (34.5mm) |
1-3/16″ |
| 6VM6 | Socket/Female | 3/4″ | 3/4″ – 14 Male NPTF | Steel | 3.07″ (78.0mm) |
1.67″ (42.4mm) |
1-1/2″ |
| 6VM6-B | Socket/Female | 3/4″ | 3/4″ – 14 Male NPTF | Brass | 3.07″ (78.0mm) |
1.67″ (42.4mm) |
1-1/2″ |
| 6VM6-SS | Socket/Female | 3/4″ | 3/4″ – 14 Male NPTF | 316 Stainless | 3.07″ (78.0mm) |
1.67″ (42.4mm) |
1-1/2″ |
| 8VM8 | Socket/Female | 1″ | 1″ – 11-1/2 Male NPTF | Steel | 3.32″ (84.3mm) |
2.06″ (52.3mm) |
1-7/8″ |
| 8VM8-B | Socket/Female | 1″ | 1″ – 11-1/2 Male NPTF | Brass | 3.32″ (84.3mm) |
2.06″ (52.3mm) |
1-7/8″ |
| 8VM8-SS | Socket/Female | 1″ | 1″ – 11-1/2 Male NPTF | 316 Stainless | 3.32″ (84.3mm) |
2.06″ (52.3mm) |
1-7/8″ |
| 10VM10 | Socket/Female | 1-1/4″ | 1-1/4″ – 11-1/2 Male NPTF | Steel | 3.59″ (91.2mm) |
2.19″ (55.6mm) |
2″ |
| 10VM10-B | Socket/Female | 1-1/4″ | 1-1/4″ – 11-1/2 Male NPTF | Brass | 3.59″ (91.2mm) |
2.19″ (55.6mm) |
2″ |
| 10VM10-SS | Socket/Female | 1-1/4″ | 1-1/4″ – 11-1/2 Male NPTF | 316 Stainless | 3.59″ (91.2mm) |
2.19″ (55.6mm) |
2″ |
| 12VM12 | Socket/Female | 1-1/2″ | 1-1/2″ – 11-1/2 Male NPTF | Steel | 4.01″ (101.9mm) |
2.74″ (69.6mm) |
2-1/2″ |
| 12VM12-B | Socket/Female | 1-1/2″ | 1-1/2″ – 11-1/2 Male NPTF | Brass | 4.01″ (101.9mm) |
2.74″ (69.6mm) |
2-1/2″ |
| 12VM12-SS | Socket/Female | 1-1/2″ | 1-1/2″ – 11-1/2 Male NPTF | 316 Stainless | 4.01″ (101.9mm) |
2.74″ (69.6mm) |
2-1/2″ |
| 16VM16 | Socket/Female | 2″ | 2″ – 11-1/2 Male NPTF | Steel | 4.54″ (115.3mm) |
3.83″ (97.3mm) |
3-1/2″ |
| 16VM16-B | Socket/Female | 2″ | 2″ – 11-1/2 Male NPTF | Brass | 4.54″ (115.3mm) |
3.83″ (97.3mm) |
3-1/2″ |
| 16VM16-SS | Socket/Female | 2″ | 2″ – 11-1/2 Male NPTF | 316 Stainless | 4.54″ (115.3mm) |
3.83″ (97.3mm) |
3-1/2″ |







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