Model L1200A

Vent to Atmosphere

Model L1200A protects your tanks from damage created by overpressure or excessive vacuum. It reduces costly product evaporation losses due to normal tank “breathing.” It also minimizes atmospheric contamination by retaining toxic vapors, providing increased fire protection and safety.

LaMOT Valve & Arrestor’s proprietary “cushioned air” seating.
Standard superior-performing fluoropolymer seating diaphragms minimize sticking caused by resinous vapors and atmospheric moisture
Self-draining housing body and drip rings protect seating surfaces from condensate and freezing
Prevents dangerous pressure or vacuum buildup due to valve binding or clogging
Peripheral guiding and center stabilizing system to ensure proper alignment of seating surfaces

Sizes: 2″ (DN 50) – 12″ (DN 300)

Materials: aluminum, carbon steel, stainless steel, fiberglass and other materials

Pressure: 0.5 oz/in² – 15 psig

Vacuum: 0.5 oz/in² – 12 psig

IOM Pressure Vacuum Relief Valve

Buna-N, fluoropolymer, FKM and other seating diaphragms
Steam jacket
Spacer

Customize Your Order

Select your specifications below to generate a custom product number.

Zip Code Locator

Model #

Size

Body Material

Seat Material

Pallet Material

Diaphragm Material (Seat)

Option 1

Option 2

Your Product Selections

Model #:

Size:

Body Material:

Seat Material:

Pallet Material:

Diaphragm Material (Seat):

Option 1:

Option 2:

Your LaMOT Valve & Arrestor Rep

Contact the business listed below to start your order.

Receive a copy of this information.

We will not store or sell your email address or send you any other communications.

Other Pressure Relief Valves

Model L2300A

Pressure Relief Valve

The L2300A provides emergency relief capacity above what can be supplied by standard operating valves. Use it to protect tanks, piping and low-pressure vessels from internal pressure damage.

View Pressure Relief Valve

Model L1220A

Pipe-Away

Use the L1220A to pipe away vapors in pressure and vacuum relief systems. The L1220A routes vapors through a flanged outlet connection, providing increased fire protection and safety.

View Pipe-Away

Model L12-TH

Round Pan Thief Hatch

The L12-TH Thief Hatch outperforms the competition with industry-leading flow rates and precision tolerances to provide a superior sealing performance. Leakage rates less than 1 SCFH at 90% of set pressure keeps your tanks industry-standard compliant. A bonding strap and SLIC™ pins come standard with the L12-TH.

View Round Pan Thief Hatch

Model L12-TL

Long Pan Thief Hatch

The L12-TL incorporates a large working surface, larger cover, and a gauging and sampling hook into the base. The base is inclined to match the slope of the API12 tank’s roof to provide a level working surface. A bonding strap and SLIC™ pins come standard with the L12-TL.

View Long Pan Thief Hatch

Let's Get Started

We don’t manufacture until you order. Our production team employs the latest tools and techniques in agile manufacturing to fabricate your order to your specifications. After production and assembly, each product undergoes stringent quality inspections before leaving the production floor – we guarantee you’ll get exactly what you ordered.

Find a Rep