HART Industrial 3131-6-V-316 1 1/4 in. FNPT Class 3000 316 Stainless Steel Threaded Union - FKM Seal

HART Industrial 3131-6-V-316 1 1/4 in. FNPT Class 3000 316 Stainless Steel Threaded Union - Viton Seal

The HART Industrial 3131 Series Threaded Union is designed for superior performance in high-pressure applications. With a Viton O-ring seal and precision-machined components, this union provides a turbulence-free connection ideal for general-purpose use. Its flat face design ensures a secure, leak-proof seal while allowing for easy pipe assembly and disassembly. Built for durability and reliability, this union is made in the USA and supports interchangeable end connections, offering versatility and cost savings.

Features

• Turbulence-Free Fit: Provides a smooth, turbulence-free fit across the seats, ensuring efficient flow
• O-Ring Isolation: The Viton O-ring is isolated to prevent contact with media, protecting against abrasives and erosion
• Precision Machining: Components are precision-machined for a leak-proof, high-quality, and fail-safe design
• Interchangeable End Connections: Threaded, socket weld, and butt weld ends can be mixed and matched, reducing the need for additional fittings
• Durable Materials: Available in a variety of metals, including carbon steel, stainless steel, and more
• Vibration Resistant: Seals remain tight under extreme pressure and pressure surges
• Maintenance-Free: Once installed, no further tightening is required

Specifications

• Size: 1 1/4 in.
• Connection Type: FNPT (Female Threaded)
• Material: 316 Stainless Steel
• Seal: Viton
• Class: 3000
• Series: 3131

Downloads

Product Literature (PDF Download)