57261-MB

2-Way Ball Valve Manifold for R134a/R404A/R407C/R22/R507A — 80mm Gauges with 150cm Nylon Barrier Hoses

Mastercool is the leading manufacturer of professional-quality A/C manifold gauge sets. The 57261-MB features precision-machined ball valves, large 80mm colour-coordinated 5-scale gauges for R134a, R404A, R407C, R22, and R507A, and includes three 150cm nylon barrier hoses with manual ball valves for extended reach. Full 3/8" bore through the block increases flow considerably for faster charging and recovery. Supplied in a plastic carrying case for workshop and mobile service operations.

Premium Features Combined

This manifold combines THREE premium features:

• 80mm Gauges: Larger, easier-to-read gauges
• 5-Scale Gauges: Versatile for multiple refrigerants
• 150cm Hoses: Extended reach for larger installations
• Professional Configuration: Complete solution for demanding applications

Key Features

• 80mm Gauges: Large size for easier reading from a distance
• 5-Scale Gauges: R134a, R404A, R407C, R22, R507A versatility
• 150cm Hoses: Extended reach for larger installations
• Ball Valve Design: Rotates 90° between two PTFE washers
• Quarter-Turn Operation: Opens and closes quickly with minimal effort
• Visual Valve Position: Vertical = Open, Horizontal = Closed
• Full 3/8" Bore: Increases flow for faster charging and recovery
• Colour-Coordinated: Easy refrigerant recognition
• Plastic Carrying Case: Organised storage and transport (58102-PBR)
• Professional Quality: Built to last with finest materials
• Precision Machined: Highest quality standards

Technical Specifications

• Model: 57261-MB
• Type: 2-way ball valve manifold
• Gauge Size: 80mm (larger than standard 63mm)
• Gauge Class: 1.6
• Gauge Type: MBH-MBL (R134a, R404A, R407C, R22, R507A)
• Bore Size: 3/8" full bore through block
• Valve Type: Ball valves with PTFE washers
• Hoses: 3 × 150cm nylon barrier GY5 with in-line ball valves
• Manifold Fittings: 2 × 1/4" SAE, central tee 1/4" SAE with branch 3/8"
• Compatible Refrigerants: R134a, R404A, R407C, R22, R507A
• Carrying Case: 58102-PBR plastic case included
• Barcode: 700376131358
• SKU: 57261-MB
• HS Code: 90262080

Applications

• R134a automotive A/C service
• R404A commercial refrigeration
• R407C air conditioning systems
• R22 legacy system service
• R507A refrigeration systems
• HVAC/R installation and maintenance
• Larger installations requiring extended reach
• Commercial applications
• Workshop and mobile service operations

80mm vs 63mm Gauges

80mm Gauges (This Model):

• Larger gauge face for easier reading
• Improved visibility from a distance
• Professional presentation
• Ideal for technicians who prefer larger gauges
• Better for low-light conditions

63mm Gauges (57261-M):

• More compact manifold
• Lighter weight
• Easier to fit in tight spaces
• Standard professional size

5-Scale Gauges

The MBH-MBL gauges provide versatile refrigerant compatibility:

• R134a: Automotive A/C and modern refrigeration
• R404A: Commercial refrigeration
• R407C: Air conditioning systems
• R22: Legacy systems
• R507A: Commercial refrigeration

150cm vs Other Hose Lengths

150cm (This Model):

• Extended reach for larger installations
• More flexibility in component positioning
• Perfect for commercial applications
• Ideal when equipment is further apart
• Professional standard for larger jobs

90cm (57236-MB):

• Compact length for workshop use
• Easy to manage and store
• Perfect for most service applications

180cm (57272-MB):

• Maximum reach for difficult access
• Ideal for very large commercial installations

Available Hose Lengths - R134a/R404A/R407C/R22/R507A (MBH-MBL 80mm Gauges)

Manifold Only:

• 58103-MB — Manifold with 80mm gauges only (no hoses)

With Hoses:

• 57236-MB — 90cm hoses
• 57261-MB — 150cm hoses - This Product
• 57272-MB — 180cm hoses

63mm Gauge Version

For a more compact option with 63mm gauges:

• 57261-M — 2-Valve Manifold R134a/R507A 63mm with 150cm Hoses
• 57236-M — 2-Valve Manifold R134a/R507A 63mm with 90cm Hoses

Optional Accessories

3-Valve Conversion:

• 90530 — Optional 90° swivel ball valve for 3/8" vacuum (converts 2-valve into 3-valve full control 4-way manifold)

1/4" × 5/16" Adapters (add suffix to part number):

• -410: Includes 2 × 90410 flex adapters to convert 1/4" SAE hose into 5/16" SAE
• -411: Includes 2 × 90411 flex adapters with ball valve to convert 1/4" SAE hose into 5/16" SAE
• -413: Includes 2 × 90413 straight adapter fittings to convert 1/4" to 5/16" SAE
• -433: Includes 2 × 90433 adapter with fittings to convert 1/4" to 5/16" SAE

Optional Modifications (add suffix to part number):

• -G: Shock-resistant gauge protectors
• -T: Assembled with PTFE gaskets
• -E: Assembled with ball valves at end of hoses

Replacement Parts

• 85102-R-KIT — O-ring repair kit for 2-3-way ball valve manifold
• 98225 — Ball valve repair kit

Why Choose Mastercool Manifolds?

• Professional Quality: Constructed of finest materials
• Precision Machined: Highest quality standards
• Built to Last: Every manifold built for long service life
• Ball Valve Design: Superior performance under pressure
• Full 3/8" Bore: Faster charging and recovery
• Colour-Coordinated Gauges: Easy refrigerant recognition
• Large 80mm Gauges: Easier to read from a distance
• 5-Scale Gauges: Versatile for multiple refrigerants
• Extended Reach: 150cm hoses for larger installations
• Nylon Barrier Hoses: Low permeability, professional standard
• Visual Valve Position: Know at a glance if valves are open or closed

Perfect For

• HVAC/R service technicians
• Automotive A/C specialists
• Refrigeration technicians
• R134a automotive service
• R404A/R507A commercial refrigeration
• Larger installations
• Commercial applications
• Workshop environments
• Mobile service operations
• Technicians preferring larger gauges
• Installations requiring extended reach

Maintenance

• Regular Inspection: Check gauges, valves, and hoses for wear
• Gauge Calibration: Verify accuracy periodically
• Valve Operation: Ensure ball valves operate smoothly
• Hose Condition: Inspect for damage or leaks
• O-Ring Replacement: Use 85102-R-KIT when needed
• Ball Valve Service: Use 98225 repair kit when required
• Storage: Store in carrying case when not in use

Professional Quality: Mastercool manifold gauge sets are built to professional standards with precision machining and finest materials for reliable, long-lasting performance. The 57261-MB 2-way ball valve manifold features large 80mm colour-coordinated 5-scale gauges for R134a/R404A/R407C/R22/R507A, full 3/8" bore for faster charging and recovery, and includes three 150cm nylon barrier hoses with manual ball valves in a plastic carrying case for professional HVAC/R service operations requiring larger gauges, versatile refrigerant compatibility, and extended reach for larger installations.