Service Access Valve Tigbear Brass 3.54” Stem

Description

Product Overview

The Tigbear Service Access Valve is engineered for demanding HVAC service environments. Each valve is forged from high‑grade brass and copper, delivering exceptional corrosion resistance and the ability to withstand brazing temperatures. The 3.54″ stem length and 1/4″ SAE x 1/4″ OD thread configuration provide a universal fit for most commercial and residential air‑conditioning systems. Featuring a needle‑type poppet valve assisted by a spring, the unit offers precise gas admission and reliable shut‑off. The kit includes 20 individually packaged valves, each meeting ASME B16.34 standards and rated for a maximum pressure of 3200 kPa. Dimensions of 5 × 3 × 1 in and a weight of 0.7 lb make the valves easy to handle while the integrated O‑ring ensures a leak‑free seal.

Usage

Designed for service technicians, automotive HVAC specialists, and experienced DIYers, these valves excel in refrigerant charging, system evacuation, pressure verification, and leak detection. Whether you are working with R22, R410A, or R134A, the 20‑piece set provides enough units for multi‑zone installations or large‑scale maintenance projects. The threaded 1/4″ SAE connection pairs seamlessly with standard Schrader ports, while the robust brass construction tolerates repeated brazing cycles without deformation. Ideal for both new installations and retrofits, the valves simplify access to sealed system components, reducing service time and improving safety.

Why Choose Us

Tigbear combines decades of HVAC expertise with rigorous quality control to deliver a valve that stands up to the toughest service conditions. Each valve undergoes pressure testing and dimensional verification to ensure consistent performance across the entire kit. The corrosion‑resistant brass body resists moisture and chemical attack, extending service life even in humid or marine environments. Our commitment to ASME B16.34 compliance guarantees that the valves meet industry‑accepted safety and performance standards. Additionally, the included valve core remover and protective caps protect the internal mechanism during storage and transport, ensuring you receive a ready‑to‑use product.

Key Features

• Durable brass and copper construction for long‑term corrosion resistance.
• 3.54″ stem with 1/4″ SAE x 1/4″ OD threads fits standard HVAC service ports.
• Needle‑type poppet valve provides precise flow control and reliable shut‑off.
• Rated up to 3200 kPa pressure and compliant with ASME B16.34 standards.
• 20‑piece kit includes valve core remover and leak‑preventing O‑ring caps.

FAQ

Can these valves be used with R410A refrigerant?

Yes, the Tigbear Service Access Valve is compatible with R22, R410A, and R134A refrigerants, making it suitable for a wide range of modern HVAC systems.

What is the maximum pressure rating?

Each valve is rated for a maximum operating pressure of 3200 kilopascal, which covers typical service and charging scenarios for residential and commercial applications.

Do I need any special tools to install the valve?

The valve installs with standard 1/4″ SAE tools. The kit includes a valve core remover and protective caps, so no additional equipment is required for basic installation.

Is the valve thread compatible with existing Schrader ports?

Yes, the 1/4″ SAE x 1/4″ OD threaded connection matches the standard Schrader port dimensions used in most HVAC service lines.

How does the needle valve improve performance?

The needle‑type poppet design allows fine adjustment of gas flow, providing accurate charging and pressure testing while minimizing the risk of over‑pressurization.