Model L61T

Lock Down Hatch

The LaMOT Valve and Arrestor Model L61T Gauge Hatch provides access for gauging or obtaining product samples from storage tanks. The gauge hatch has a gauge hook integrated to the base to facilitate sampling the tank. The Model L61T Gauge Hatch incorporates “cushioned-air” seating which assures a superior seal to ensure minimal fugitive emissions.

• Permits the use of both hands during gauging or sampling
• Ultra-tight sealing reduces product leakage and fugitive emissions
• Designed for easy maintenance, thus reducing downtime and lowering operational cost • Corrosion resistance can be enhanced with FKM soft goods
• Gauge hatch is able to be mounted to 150# ASME flanges or API 12 bolting
• Incorporates a mechanical lock system to be used with a pad lock or lock out bar
• Bonding straps are standard


• Sizes: 8”
• Material: Aluminum (non-sparking)
• Bolting: 150# ASME, API 12
• Diaphragm: Buna-N (black), FKM (blue), or FEP (clear)

Flange Adapter:  

ADP12TH082002 – Flange adapter – 8″ x 18″ oblong to 8″ API 12 – carbon steel

ADP12TH082003 – Flange adapter – 8″ x 22″ oblong to 8″ API 12 – carbon steel

Base Gasket:  

GKT12TH08CJ02 – FKM (blue)

GKT12TH087602 – FKM (black)

GKT12TH083502 – Buna-N (black)

Mounting Kit: (for API 12 bolting)

KS12THBS08P01 – Hex nut and bolt set – zinc-plated steel

KS12THBS08P02 – Hex nut and bolt set – 18-8 stainless steel

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