Introducció
This instruction manual provides essential information for the safe and effective use of your Yellow Jacket 25799 Plus II 1/4" Hose with Flexflow Valve. Please read this manual thoroughly before operation and retain it for future reference. Adherence to these instructions will ensure proper function and longevity of the product.
Producte acabatview
The Yellow Jacket 25799 Plus II hose is specifically designed for refrigeration and HVAC service applications. It features durable construction and incorporates a convenient Flexflow Valve for enhanced control. Key characteristics and features include:
- The valve handle position clearly indicates whether the valve is in an opened or closed state.
- A flexible hose section positioned between the valve and fitting simplifies access to confined or difficult-to-reach areas.
- UL recognized assemblies (File SA9737) ensure compliance with established safety and performance standards.
- These 1/4" RYB PLUS II hoses are rated for a minimum burst pressure of 4000 psi (276 bar) and a maximum working pressure of 800 psi (55 bar).
- The hose is designed to operate within a temperature range of -20°F to 180°F (-28.8°C to 82.2°C).
- The minimum bending radius for this hose is 6 inches (152mm).

Image: Yellow Jacket 25799 Plus II 1/4" Hose with Flexflow Valve. This image displays the red hose coiled, with brass fittings at both ends and a blue-handled Flexflow valve integrated into the middle section of the hose.
Configuració
Proper setup is crucial for safe and efficient operation. Follow these steps before connecting the hose to any system:
- Inspecció visual: Prior to each use, carefully inspect the entire length of the hose for any signs of wear, cuts, abrasions, or damage. Examine the fittings for cracks, corrosion, or deformation. Do not use any hose that shows signs of damage.
- Punts de connexió: Ensure that all connection points on your manifold gauge set, service ports, or other equipment are clean and free of dirt, debris, or old gasket material.
- Connexió segura: Connect the appropriate end of the hose to your equipment. Hand-tighten the fittings first, then use a suitable wrench to snug them securely. Avoid excessive force, as over-tightening can damage threads or internal seals.
- Flexflow Valve Position: Always ensure the Flexflow valve is in the tancat position before connecting the hose to a pressurized system. This prevents accidental release of refrigerant or sudden pressure changes.
Instruccions de funcionament
This hose is designed for use in HVAC/R systems for various processes including charging, evacuation, and recovery.
Using the Flexflow Valve:
- The position of the blue valve handle directly indicates the valve's status.
- A obert the valve and allow flow, rotate the blue handle until it aligns parallel with the direction of the hose.
- A tancar the valve and stop flow, rotate the blue handle perpendicular to the hose's direction.
- Always ensure the valve is either fully open or fully closed during operation to prevent partial flow, which can lead to inaccurate readings or potential leakage.
Pautes generals de funcionament:
- Always wear appropriate personal protective equipment (PPE), including safety glasses and gloves, when working with refrigerants and pressurized systems.
- Adhere to all industry best practices, safety guidelines, and local regulations for refrigerant handling and HVAC/R service.
- Verify that system pressures do not exceed the hose's maximum working pressure of 800 psi (55 bar) at any time.
- After completing your task, close the Flexflow valve, carefully disconnect the hose, and properly store it.
Manteniment
Regular maintenance ensures the reliability and extends the lifespan of your Yellow Jacket hose.
- Neteja: After each use, wipe down the entire hose and its fittings with a clean cloth to remove any dirt, oil, or refrigerant residue.
- Emmagatzematge: Store the hose in a clean, dry environment, away from direct sunlight, extreme temperatures, and corrosive chemicals. Avoid kinking or sharply bending the hose during storage, as this can cause internal damage.
- Inspecció periòdica: Periodically conduct a thorough inspection of the hose for any signs of degradation such as cracks, bulges, hardening, or softening. Inspect the fittings for damage, corrosion, or loose components.
- Substitució del segell: If leaks are detected at the hose connections, inspect the internal O-rings or gaskets within the fittings. Replace them with appropriate Yellow Jacket replacement parts as necessary to maintain a leak-free seal.
Resolució de problemes
Aquesta secció aborda problemes comuns que podeu trobar i ofereix solucions.
| Problema | Causa possible | Solució |
|---|---|---|
| Refrigerant Leak at Connection | Loose fitting, damaged O-ring or gasket, dirty connection surface. | Ensure fitting is securely tightened. Inspect and replace O-ring or gasket if damaged. Clean connection points thoroughly. |
| No Flow Through Hose | Flexflow valve is closed, hose is kinked, or an internal obstruction is present. | Open the Flexflow valve. Straighten the hose to remove kinks. Disconnect and inspect for internal obstructions. |
| Hose Damage (Cracks, Bulges, Abrasions) | Normal wear and tear, exposure to harsh environmental conditions, or exceeding pressure limits. | Immediately discontinue use of the damaged hose. Replace it with a new, compliant hose to ensure safety and prevent refrigerant loss. |
| Valve Handle Stiff or Hard to Turn | Accumulation of dirt or debris, lack of lubrication. | Clean the valve mechanism. If lubrication is required, consult Yellow Jacket's official guidelines or customer support for recommended lubricants. |
Especificacions
- Model: Yellow Jacket 25799 Plus II 1/4" Hose with Flexflow Valve
- Longitud de la mànega: 100 peus
- Diàmetre de la mànega: 1/4 polzada
- Color: Vermell
- Material: Metal (fittings), Synthetic Rubber (hose)
- Minimum Burst Pressure: 4000 psi (276 bar)
- Pressió màxima de treball: 800 psi (55 bar)
- Temperatura de funcionament: -20 °F a 180 °F (-28.8 °C a 82.2 °C)
- Radi de flexió mínim: 6 polzades (152 mm)
- Certificacions: UL recognized assemblies (File SA9737)
- Pes de l'article: Aproximadament 0.1 lliures (1.6 unces)
- Fabricant: Jaqueta groga
- UPC: 686800257990
Garantia i Suport
For specific warranty terms and conditions applicable to your Yellow Jacket 25799 Plus II hose, please refer to the documentation included with your original purchase. Warranty details can also typically be found on the official Yellow Jacket weblloc.
For technical assistance, inquiries regarding replacement parts, or any service-related questions, please contact Yellow Jacket customer service directly. Their official website will provide the most current contact information.
Fabricant: Jaqueta groga
Weblloc: Please visit the official Yellow Jacket weblloc de recursos de suport.





