This 4-inch Spectacle Blind is engineered for robust performance in demanding applications. Manufactured to STD.DWG. AD-036731-001 and constructed from high-quality ASTM B564 (UNS N06625) material, this spectacle blind offers excellent corrosion resistance and is suitable for use in environments compliant with NACE MR0175/ISO 15156.

Designed for Class 300 RF (Raised Face) flanges, this spectacle blind provides a reliable and efficient method for temporarily or permanently isolating sections of piping systems.

Key Specifications

Size	4 inch
Standard Drawing	AD-036731-001
Pressure Class	Class 300
Flange Face	Raised Face (RF)
Material	ASTM B564 (UNS N06625) - Inconel 625
NACE Compliance	NACE MR0175/ISO 15156

Application & Use

Spectacle blinds are commonly used in piping systems for positive shut-off. They are ideal for applications requiring infrequent isolation of process lines during maintenance, testing, or emergency situations. The NACE MR0175/ISO 15156 compliance ensures suitability for sour gas and other corrosive environments.

Condition & Availability

Please inquire about current stock levels and lead times. Standard packaging is provided to ensure safe delivery.