Overview
The Anchor Fluid Power W4-24-24U is a SAE-standard 4-bolt flange fitting engineered for industrial hydraulic and pneumatic systems. This flat socket weld pipe flange delivers dependable connections in demanding fluid power applications, featuring Code 61 pressure rating (3,000 psi) and robust construction for long service life in pumps, motors, actuators, and manifold assemblies.
Key Features
- SAE J518 Code 61 rated — 3,000 psi working pressure with O-ring face seal
- Socket weld connection — flat neck design for pipe welding; reduces stress concentration
- 4-bolt configuration — compact, standardized flange pattern for quick assembly and replacement
- Includes kit — mounting bolts, flat washers, and Buna N o-ring supplied
- Stainless steel option — corrosion-resistant 316 stainless steel construction available (W4-24-24U-SS)
- 1.5-inch pad and socket — accommodates 1.5″ nominal pipe size
Technical Specifications
The W4-24-24U flange meets SAE J518 standards and is optimized for both standard and high-pressure hydraulic circuits.
- Port Configuration: Socket weld (flat neck)
- Pressure Rating: Code 61 (3,000 psi)
- Pad Size: 1.5 inch
- Pipe Size: 1.5 inch nominal
- Bolt Pattern: SAE 4-bolt, straight flange
- O-Ring Face Seal: Code 61 standard
- Materials Available: Carbon steel (standard), 316 stainless steel (W4-24-24U-SS)
- Included Components: Flange body, hex head bolts, flat washers, Buna N o-ring
Typical Applications
The W4-24-24U excels in high-pressure hydraulic systems where robust, leak-free connections are critical:
- Industrial hydraulic pumps and motors
- Hydraulic press circuits and power units
- Heavy equipment and mobile machinery plumbing
- Process fluid power systems requiring Code 61 or Code 62 specifications
- Manifold and valve block connections
- OEM equipment assembly and field retrofit applications
Compatibility & Replacements
Compatible With
- SAE J518 4-bolt flange systems
- Code 61 and Code 62 high-pressure hydraulic circuits
- Welded pipe systems (1.5″ nominal size)
- Buna N o-ring sealed connections
- Standard industrial hydraulic equipment and manifolds
Replaces / Drop-In Replacement For
The W4-24-24U is the standard Anchor Fluid Power designation for a 1.5″ SAE 4-bolt flat socket weld flange. Verify pad size, bolt pattern, and pressure rating with your system integrator before ordering as a replacement for other manufacturers’ flanges.
Works With
- SAE J518 standard port configurations
- ISO 4401 (CETOP 03) ported manifolds
- Subplate and cavity-mounted systems
- Mobile and stationary hydraulic equipment
- Buna N and Viton o-ring seals (Code 61 and Code 62)
