PK Lindsay Style Hardened Inlet Assembly – 1-1/4" NPSM – Black Oxide – Big Gun Shutoff Valve (Includes #4 & #5)

Part Number: 66HI
Category: Abrasive Blasting → Valves & Flow Control → Big Gun Components
Type: Hardened Inlet Assembly (PK Lindsay Style – 1-1/4" NPSM)

The PK Lindsay Style Hardened Inlet Assembly (66HI) is a heavy-duty component designed for Big Gun shutoff valve systems, providing a secure 1-1/4" NPSM inlet connection for high-flow abrasive blasting applications. This assembly ensures proper material flow into the valve while maintaining alignment and durability under extreme operating conditions.

Key Features & Benefits

• 1-1/4" NPSM inlet assembly for Big Gun shutoff valves
• Heat-treated to HRC 58–62 for maximum durability
• Black oxide finish for corrosion resistance
• Designed for high-flow abrasive blasting systems
• Includes critical internal components for installation

Technical Specifications

• Part Number: 66HI
• Connection Size: 1-1/4" NPSM
• Type: Hardened inlet assembly
• Finish: Black oxide
• Hardness: Rockwell HRC 58–62
• Application: Big Gun valve inlet connection
• Weight: 0.81 lbs

Included Components

• Includes #4 and #5 components

OEM Compatibility

• PK Lindsay: 66HI

Typical Applications

• Abrasive blasting Big Gun shutoff valve systems
• High-volume media flow setups
• Industrial surface preparation equipment
• Replacement of worn or damaged inlet assemblies

Performance Advantages

• Extends service life with hardened, wear-resistant construction
• Maintains proper flow alignment and system efficiency
• Withstands high abrasion and harsh operating conditions
• Reduces downtime and maintenance frequency

Compatibility

• Designed for use with PK Lindsay style Big Gun shutoff valve assemblies
• Compatible with 1-1/4" NPSM connections and high-flow systems