Hydronex / Threaded Couplers
SERIES
Thread Locked Type Hydraulic Couplings(Steel) Kcv Series

Threaded Couplers

Thread Locked Type Hydraulic Couplings(Steel) Kcv Series

The KCV Series Thread Locked Type Hydraulic Couplings offer a compact, reliable solution for standard industrial hydraulic connections. Constructed from high-grade carbon steel with precision machining, these couplings provide consistent thread-locked performance across a broad range of pressures and flow rates.

Material
Carbon Steel

Surface finish
Zinc Plated

Application
General industrial hydraulics, OEM equipment, maintenance applications

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Technical Data

Body Size (in)

Specifications

1/4", 3/8", 1/2", 3/4", 1"

Rated Pressure (Bar)

350, 300, 300, 250, 250

Key Features

Connexion by screwing together the two parts

Disconnexion by unscrewing the two parts

Shut off by poppet valve

Connectable under residual pressure

Disconnexion under residual pressure

Interchangeability German Market

Specifications

Standard

ISO 7241-2

Body Material

Carbon Steel

Seal Material

NBR

Surface Treatment

Zinc Plated

Technical Specifications

  • High-grade carbon steel with heat treated wear parts
  • NBR
  • Backup ring in PTFE
  • -25°C to +125°C (-13°F to +257°F)
  • According to ISO 7241-2

Applications

Nipple Female Thread / Male

Nipple Female Thread / Male Diagram
Part No.Thread SizeOverall Length (mm)Hex Size (mm)Largest Diameter (mm)Part No.Thread SizeOverall Length (inch)Hex Size (inch)Largest Diameter (inch)
KCV-02PFG1/4641930KCV-N02PFNPT1/42.520.751.18
KCV-03PFG3/8682434KCV-N03PFNPT3/82.680.941.34
KCV-04PFG1/2682742KCVM04PENPT1/22.681.061.65
KCV-06PFG3/4853848KCV-N06PFNPT3/43.341.51.89
KCV-08PFG1954256KCV-N08PFNPT13.741.652.2
KCV-10PFG1 1/41315080KCV-N10PFNPT1 1/45.161.973.15
KCW12PEG1 1/21315580KCV-N12PFNPT1 1/25.162.173.15

Male – Metric Thread

Male Metric Thread dimensional diagram
Part No.Thread SizeOverall Length (mm)Hex Size (mm)Largest Diameter (mm)
KCV-14PFMM14X1.5641930
KCV-16PFMM16X1.5682434
KCV-18PFMM18X1.5682742
KCV-22PFMM22X1.5853848
KCV-30PFMM30X1.5954256
KCV-36PFMM36X1.51315080
KCV-42PFMM42X1.51315580

Couplers Female Thread / Female

Couplers Female Thread / Female Diagram
Part No.ThreadOverall Length (mm)Hex Size (mm)Largest Diameter (mm)Part No.ThreadOverall Length (in.)Hex Size (in.)Largest Diameter (in.)
KCV-02SFG1/4581913.1KCMN028ENPT2.280.750.52
KCV-03SFG3/8652417.6KCN038ENPT3/82.550.940.69
KCV-04SEG1/2672722KCV-N04SFNPT1/22.631.060.87
KCV-06SFG3/4833828.1KCV-N06SFNPT3/43.271.51.11
KCV-08SFG1954235KCV-N08SFNPT13.741.651.38
KCV-10SFG1 1/41105054KCV-N10SFNPT1 1/44.331.972.13
KCV-12SFG1 1/21215554KCV-N12SFNPT1 1/24.762.172.13

Female – Metric Thread

Female Metric Thread dimensional diagram
Part No.Thread SizeOverall Length (inch)Hex Size (inch)Largest Diameter (inch)
KCV-14SFMM14X1.52.520.750.52
KCV-16SFMM16X1.52.680.940.69
KCV-18SFMM18X1.52.681.060.87
KCV-22SFMM22X1.53.351.51.89
KCV-30SFMM30X1.53.741.652.2
KCV-36SFMM36X1.55.161.973.15
KCV-42SFMM42X1.55.162.173.15

Specification Details

Body Size (in)Rated Pressure (Bar)Flow Rate (L)MaterialStandard Seal MaterialTemperature Range
1/4"50013Carbon SteelNBR-20 to +125
3/8"40025Carbon SteelNBR-20 to +125
1/2"40075Carbon SteelNBR-20 to +125
3/4"350135Carbon SteelNBR-20 to +125
1"350250Carbon SteelNBR-20 to +125
1-1/2"350450Carbon SteelNBR-20 to +125

Dust Protection

Dust protections - 防尘帽Dust protections - 防尘帽
PVCAluminumPVCAluminum
mminchPart NumberColourPart NumberPart NumberColourPart Number
6.31/4CCV-1/4CCV-1/4SPCV-1/4PCV-1/4S
103/8CCV-3/8CCV-3/8SPCV-3/8PCV-3/8S
12.51/2CCV-1/2CCV-1/2SPCV-1/2PCV-1/2S
203/4CCV-3/4CCV-3/4SPCV-3/4PCV-3/4S
251CCV-1CCV-1SPCV-1PCV-1S
401 1/2CCV-1 1/2CCV-1 1/2SPCV-1 1/2PCV-1 1/2S

Performance Specifications

Size (mm)Size (in.)Working Pressure (MPa/PSI)Flow Rate (l/min / GPM)Burst Pressure 1 (MPa/PSI)Burst Pressure 2 (MPa/PSI)Burst Pressure 3 (MPa/PSI)
6.31/4"50 (7500)13 (3.3)150 (22500)160 (24000)170 (24200)
103/8"40 (5700)25 (6.5)120 (17100)130 (18600)170 (24200)
12.51/2"40 (5700)75 (19.8)120 (17100)140 (20000)140 (20000)
203/4"35 (5000)135 (35.2)110 (15700)120 (17100)140 (20000)
251"35 (5000)250 (66.1)110 (15700)130 (18600)140 (20000)
401 1/2"35 (5000)450 (119)110 (15700)110 (15700)110 (15700)

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