300 Series Air Interlock Valve

The new model 300 series Air Interlock Valve is the perfect solution for all petroleum transport interlock needs. From drive-off protection on APIs and Vapor Adaptors, to interlocking guard bars and cabinet doors. The model 300 valve is a drop in replacement for earlier models, as well as competitive brands.

Request More Information

Features & Benefits

Premium Parker Brand™ Standard Series-2 O-Rings for ease of maintenance
Stainless steel shaft and hardware for trouble free performance
Solid one piece extruded aluminum is lightweight yet strong
Hard coat anodized body for extreme durability and wear resistance
Closed loop breather keeps contamination out for reduced maintenance
Rear cap is completely sealed, no vent holes are required

Part Numbers and Drawings

Part Number	Description
300	Air Interlock 3/2 Valve w/Button
301	Air Interlock 3/2 Valve w/Push Plate

Replacement Part Number	Description
200-5	Brass Spacer Sleeve
200-6	Nut, 1/4-20 SS
H20488M	Stem Adjuster
11393	Push Plate, Aluminum
12013	Screw, 1/4-20 x 1 1/2", 18-8 SS
H20315M	Washer, Flat, 1/2" SS

Brochures, Parts Breakdown, Installation Manuals

Air Interlock Brochure

Download PDF

Read in browser
Air Interlock Installation Instructions

Download PDF

Read in browser

Features & Benefits

Premium Parker Brand™ Standard Series-2 O-Rings for ease of maintenance
Stainless steel shaft and hardware for trouble free performance
Solid one piece extruded aluminum is lightweight yet strong
Hard coat anodized body for extreme durability and wear resistance
Closed loop breather keeps contamination out for reduced maintenance
Rear cap is completely sealed, no vent holes are required

Model Numbers

Part Numbers and Drawings

Part Number	Description
300	Air Interlock 3/2 Valve w/Button
301	Air Interlock 3/2 Valve w/Push Plate

Replacement Part Number	Description
200-5	Brass Spacer Sleeve
200-6	Nut, 1/4-20 SS
H20488M	Stem Adjuster
11393	Push Plate, Aluminum
12013	Screw, 1/4-20 x 1 1/2", 18-8 SS
H20315M	Washer, Flat, 1/2" SS