Ground Service Equipment (GSE) Quick-Disconnect Couplings | Product Series

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Ground Service Equipment (GSE) Quick-Disconnect Couplings

Ground Service Equipment (GSE) Quick-Disconnect Couplings

Puntos de venta

Thread-together style self-sealing quick disconnect (QD) couplings are designed for connecting ground support carts to the aircraft. The ground service equipment QD provides reliable performance, simple one hand operation, and positive latching.

Especificaciones técnicas

  • Para tipo de fluido: Hydraulic Fluid (Red Oil, 5606/83282), Phosphate Ester, Skydrol Type IV
  • Presión de trabajo máxima: 3000, 1000 psig
  • Presión mínima de trabajo: -5 psig
  • Presión de prueba: 4500, 1500
  • Presión de rotura: 7500, 2500 psi
  • Temperatura máxima del fluido: 275, 250 °F
  • Temperatura mínima del fluido: -65 °F
  • Material del cuerpo: Aluminum Alloy Anodized
  • Caudal: 1.2, 3.5, 6.0, 10.5, 16.0, 29.0, 45.0 gal/min

Descripción completa del producto

Parker Stratoflex’s ground service equipment (GSE) quick disconnect (QD) couplings provide a proven solution for making the connection from the hydraulic ground service cart to the aircraft hydraulic system supporting routine ground maintenance. These GSE QDs are specifically designed as the interface from ground cart to aircraft for 3,000 psig hydraulic systems and are commonly used on both commercial and military programs. The flight side QD nipple half and cap are typically installed on the aircraft hydraulic system service panel or in other locations where appropriate to provide the access point for the hydraulic system servicing connection interface.

The GSE QDs use established engineering and design experience to provide this thread-together style connection with a visual and touch confirmation of proper coupling to improve both time and safety. The design incorporates a ratchet-tooth style latching mechanism to ensure that once the two coupling halves are threaded together and fully connected, they are positively locked in place. The ratchet teeth engage to prevent unintentional disconnection of the coupling halves; they provide a secondary locking feature for added safety and security. To disconnect, the outer actuating collar on the coupler half (ground side) is pulled back, releasing the ratchet teeth engagement and while being pulled back, rotated in the counterclockwise direction until fully unthreaded.

GSE couplings incorporate a self-sealing valve that permits fluid flow with minimum pressure loss and turbulence, plus a flush-faced design minimizes air inclusion or spillage during coupling or uncoupling. The design allows for simple one-handed operation to connect (thread-on) or disconnect (unthread) the coupling halves during ground service and maintenance of the hydraulic fluid system. As the coupling halves are threaded together, the fluid-flow path opens and when in the fully-open position (hand tight, ratchet teeth fully engaged), the GSE QD connection is complete.

The GSE QD consists of two halves, the nipple (441xx series) which is mounted on the aircraft and provides access to the aircraft hydraulic system. The coupler (440xx series) is the interface on the hydraulic ground service cart. The nipple QD half has provision for a latching cap to be installed (C44000 series) to ensure protection of the sealing surfaces during normal aircraft operation. The ground coupler QD half can be protected from foreign object damage, dropping and dragging handling damage in the sometimes harsh ground cart environments using the latching plug (P44000 series). Parker’s GSE QDs provide proven reliability for today’s standard interface for aircraft utilizing 3,000 psig hydraulic systems.

See the Parker Stratoflex product brochure (Catalog 106-GSE) for size and dimensional information.

Standard QD end fittings include:
• SAE MS33656, MS33657 male flared fitting
• SAE AS4395, AS4396 male flared fitting
• SAE AS33514, AS33515 male flareless fitting

The GSE quick disconnect series has been proven over years of service and a history of reliability both in the air on the ground. The baseline qualification for this product is built on the applicable requirements of industry standard SAE AS1709 specification.
For 4,000 and 5,000 psig hydraulic operating system pressures, Parker Stratoflex offers our robust Thread-Lok QD product adapted specifically for ground service applications. Thread-Lok applications are ideal for high vibration, shock, and impulse load environments. The mechanical advantage of connecting the coupling halves with a thread-together design, often provide the most robust performance in systems including engines, landing gear and brake systems.
Contact the Stratoflex Products Division with interface and performance requirements to determine if this product is the best choice for your installation and application.

APPLICATIONS:
Parker’s GSE QD provides positive latching with efficient size, light weight, and high reliability to support hydraulic systems in service on today’s aircraft. Programs include A-10, C-130, CH-47, H-60, Embraer E170, E190, Bombardier CRJ series and a range of current and new aircraft platforms for both military and commercial jets.

FEATURES AND ATTRIBUTES:
• Designed to protect system integrity without restricting fluid flow rate or operation
• Engineered, tested, and qualified to provide long-term reliable service for hydraulic service connections on 3,000 psig operating systems
• Thread to connect with positive visual and touch indication of fully-connected and latched position
• Meets performance requirements of SAE specification AS1709; see 44000 QD qualification
• Efficient size and flow-rate combination for hydraulic system applications
• Light-weight design
• Simple, one hand connect and disconnect operation for ease of use
• Range of end-fitting styles and fluid-compatibility options available
• Aluminum alloy and stainless steel construction
• Approved on U.S. Government selected NSNs
• Locking caps C44000 series for use on 441XX series QD nipples (aircraft side)
• Locking plugs P44000 series for use on 440XX series QD couplers (ground side)

OPTIONAL FEATURES:
Standard configuration is available in aluminum alloy body construction. Component materials include stainless steel and other materials compatible with specific fluid applications. Contact the Stratoflex Products Division for any other specific material, fluid, or pressure requirements and information.

Documentos relacionados

Literature and Reference Materials
Launching Innovation - Aerospace Systems and Components
On the Move in Fluid Conveyance
Stratoflex Hydraulic Self-Sealing Couplings for Ground Support Equipment (GSE) - 106-GSE
Stratoflex Thread-Lok, Quick Connect Valved Couplings for the Aerospace Industry - 106-THREAD
Compliance, Certifications & Safety
Stratoflex Products Division Safety Guide 2010-01
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Productos Opción de guardapolvo Tipo de conexión Tamaño del conducto - entrada
44004-04A-N1 P44000-04-N1 SAE AS4395E04 1/4 inch
44004-04A-E17 P44000-04-E17 SAE AS4395E04 1/4 inch
44004-04E-E17 P44000-04-E17 SAE AS33514E04 1/4 inch
44006-06A-N1 P44000-06-N1 SAE AS4395E06 3/8 inch
44006-06A-E17 P44000-06-E17 SAE AS4395E06 3/8 inch
44006-06E-E17 P44000-06-E17 SAEAS33514E06 3/8 inch
44006-06E-N1 P44000-06-N1 SAEAS33514E06 3/8 inch
44008-08A-E17 P44000-08-E17 SAE AS4395E08 1/2 inch
44008-08A-N1 P44000-08-N1 SAE AS4395E08 1/2 inch
44008-08E-E17 P44000-08-E17 SAE AS33514E08 1/2 inch
44008-08E-N1 P44000-08-N1 SAE AS33514E08 1/2 inch
44010-10A-E17 P44000-10-E17 SAE AS4395E10 5/8 inch
44010-10A-N1 P44000-10-N1 SAE AS4395E10 5/8 inch
44010-10E-E17 P44000-10-E17 SAE AS33514E10 5/8 inch
44010-10E-N1 P44000-10-N1 SAE AS33514E10 5/8 inch
44012-12A-E17 P44000-12-E17 SAE AS4395E12 3/4 inch
44012-12A-N1 P44000-12-N1 SAE AS4395E12 3/4 inch
44012-12E-E17 P44000-12-E17 SAE AS33514E12 3/4 inch
44012-12E-N1 P44000-12-N1 SAE AS33514E12 3/4 inch
44016-16A-E17 P44000-16-E17 SAE AS4395E16 1 inch
44016-16A-N1 P44000-16-N1 SAE AS4395E16 1 inch
44016-16E-E17 P44000-16-E17 SAE AS33514E16 1 inch
44016-16E-N1 P44000-16-N1 SAE AS33514E16 1 inch
44020-20A-E17 P44000-20-E17 SAE AS4395E20 1 1/4 inch
44020-20A-N1 P44000-20-N1 SAE AS4395E20 1 1/4 inch
44104-04A-N1 C44000-04-N1 SAE AS4395E04 1/4 inch
44104-04A-E17 C44000-04-E17 SAE AS4395E04 1/4 inch
44104-04B-N1 C44000-04-N1 SAE AS4396E04 1/4 inch
44104-04E-E17 C44000-04-E17 SAE AS33514E04 1/4 inch
44106-06A-N1 C44000-06-N1 SAE AS4395E06 3/8 inch
44106-06A-E17 C44000-06-E17 SAE AS4395E06 3/8 inch
44106-06B-N1 C44000-06-N1 SAEAS4396E06 3/8 inch
44106-06F-N1 C44000-06-N1 SAEAS3351FE06 3/8 inch
44108-08A-E17 C44000-08-E17 SAE AS4395E08 1/2 inch
44108-08A-N1 C44000-08-N1 SAE AS4395E08 1/2 inch
44108-08B-E17 C44000-08-E17 SAE AS4396E08 1/2 inch
44108-08B-N1 C44000-08-N1 SAE AS4396E08 1/2 inch
44108-08E-E17 C44000-08-E17 SAE AS33514E08 1/2 inch
44108-08F-N1 C44000-08-N1 SAE AS33515E08 1/2 inch
44110-10A-E17 C44000-10-E17 SAE AS4395E10 5/8 inch
44110-10A-N1 C44000-10-N1 SAE AS4395E10 5/8 inch
44110-10B-N1 C44000-10-N1 SAE AS4396E10 5/8 inch
44110-10E-E17 C44000-10-E17 SAE AS33514E10 5/8 inch
44110-10F-N1 C44000-10-N1 SAE AS33515E10 5/8 inch
44112-12A-E17 C44000-12-E17 SAE AS4395E12 3/4 inch
44112-12A-N1 C44000-12-N1 SAE AS4395E12 3/4 inch
44112-12B-N1 C44000-12-N1 SAE AS4396E12 3/4 inch
44112-12E-E17 C44000-12-E17 SAE AS33514E12 3/4 inch
44116-16A-E17 C44000-16-E17 SAE AS4395E16 1 inch
44116-16A-N1 C44000-16-N1 SAE AS4395E16 1 inch
44116-16B-N1 C44000-16-N1 SAE AS4396E16 1 inch
44116-16E-E17 C44000-16-E17 SAE AS33514E16 1 inch
44116-16F-N1 C44000-16-N1 SAE AS33515E16 1 inch
44120-20A-E17 C44000-20-E17 SAE AS4395E20 1 1/4 inch
44120-20A-N1 C44000-20-N1 SAE AS4395E20 1 1/4 inch
44120-20B-N1 C44000-20-N1 SAE AS4396E20 1 1/4 inch
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