CB-HYDRAV-KD Threaded Dry-Break Hydraulic Coupler for Aviation Ground Systems – Carterberg
CB-HYDRAV-KD is a threaded hydraulic quick coupler designed for high-integrity connections in critical aerospace ground support systems. Featuring a vibration-resistant locking sleeve and dry-break valve architecture, it prevents fluid spillage and ensures secure operation under pressure.
Unlike traditional push-to-connect systems, the CB-HYDRAV-KD uses a rapid screw-in sleeve with integrated safety ring, making it especially suited for applications where anti-loosening is mandatory—such as aircraft testing benches and mission-critical mobile hydraulic units.
Key Features
• Threaded Sleeve Locking: Quick-connect by screwing the external sleeve, with mechanical lock ring for anti-vibration safety.
• Dry-Break Architecture: Dual shut-off valve system minimizes air inclusion on connection and fluid loss on disconnection.
• EPDM 41B Seals: Compliant with NF L 17-241 standard, compatible with phosphate-ester fluids (e.g., Skydrol®).
• SAE AS 4395 Port Adaptation: Designed to integrate with standard test bench manifolds and aircraft hydraulic ground points.
• Broad Working Range: Pressure rating up to 450 bar / 6525 psi, temperature from -40°C to +150°C.
Technical Specifications
Parameter |
Value |
Model |
CB-HYDRAV-KD |
Connection Type |
Screw-to-connect with safety locking ring |
Valve Type |
Double shut-off, dry-break |
Seal Material |
EPDM 41B (Skydrol-compatible) |
Body Material |
Anodized Aluminum |
Spring & Valve Material |
Stainless Steel |
Nominal Diameter Options |
1/4",3/4",1",1-1/2" |
Working Pressure |
Up to 450 bar (6525 psi) depending on size |
Operating Temperature |
-40°C to +150°C |
Connection Standard |
SAE AS 4395 interface |
Spillage on Disconnect |
0.18 ml – 1.16 ml (size-dependent) |
Dimensional Overview
Female (Socket)
Body Size |
PARTNO. |
A |
B |
C |
HEX |
1/4" |
CB-S2B-5MU-E |
41 |
39 |
14 |
14 |
3/4" |
CB-S6B-5MU-E |
49 |
60 |
22 |
33 |
1" |
CB-S8L-5MU-E |
79 |
70 |
23 |
48 |
1"1/2 |
CB-S10B-5MU-E |
91 |
80 |
28 |
54 |
Male (Plug)
Body Size |
PARTNO. |
D |
E |
F |
HEX |
1/4" |
CB-P2B-5MU-E |
35 |
25 |
14 |
29 |
3/4" |
CB-P6B-5MU-E |
61 |
41 |
36 |
41 |
1" |
CB-P8L-5MU-E |
73 |
60 |
23 |
54 |
1"1/2 |
CB-P10B-5MU-E |
81 |
70 |
28 |
70 |
Application Scenarios
CB-HYDRAV-KD couplings are mainly used in:
• Aircraft Hydraulic Test Benches
• Aviation Ground Maintenance Systems
• Tooling and Panel Interfaces with Anti-Loosening Requirement
• Mobile Equipment Requiring Dry-Break Under Pressure
Why Choose Carterberg’s CB-HYDRAV-KD?
In sectors where failure is not an option—such as aerospace ground control and hydraulic lab testing—CB-HYDRAV-KD stands out for its:
• Enhanced anti-vibration safety via screw sleeve
• Minimal fluid loss and air ingress
• Seal compatibility with aerospace-grade fluids
• Compact, modular design available in multiple sizes