Made in America


LL-2 Parts List
1 LL10-01 Base
2 LL10-02 Hairpin Clip
3 LL10-03 1/4" Hinge Pin
4 LL3-02 Neoprene Gasket
5 LL2-01 Pressure Lid
Model LL-2 is an aluminum dead weight pressure only thief hatch cast of high quality aluminum.

Has a standard API 10 3/8" dia. bolt circle for nominal 8" tank opening with 16 bolt holes. Also available with 8 holes. Designed for use on steel or fiberglass storage tanks. Shipped complete with base gasket.

Shipping weight 10 lbs (Approximately)

Model LL-3 is an aluminum dead weight pressure and spring loaded vacuum thief hatch with a locking latch.

Units are available in 2 oz. pressure settings with .4 oz. vacuum setting.

Bolting pattern is a API standard 10 3/8" diameter bolt circle for nominal 8" tank opening with 16 hole base for 1/2" bolts. Also available with 8 holes or weld on steel base. It is designed for use on steel or fiberglass tanks. Shipped complete with base gasket.

Shipping Weight 11lbs. (approximately)



LL-3 Parts List
1 LL10-01 Base
2 LL3-08 Pressure Lid
3 LL10-03 1/4" Hinge Pin
4 LL10-02 Hairpin Clip
5 LL3-02 Buna-N Gasket
6 LL10-12 Buna-N Gasket
7 LL10-14 Screw, Stem
8 LL10-11 Aluminum Vacuum Valve
9 LL10-09 Vacuum Spring
10 LL10-08 Cotter Key
11 LL3-06 Vacuum Lid
12 LL10-10 Latch
13 LL10-13 3/16" x 1" Roll Pin


LL-10 Parts List
1 LL10-01 Base
2 LL10-02 Hairpin Clip
3 LL10-03 1/4" Hinge Pin
4 LL10-04 Pressure Valve
5 LL10-05 Buna-N Pressure Gasket
6 LL10-06 Lid
7 LL10-07 Pressure Spring
8 LL10-08 Cotter Key
9 LL10-09 Vacuum Spring
10 LL10-10 Latch
11 LL10-11 Vacuum Valve
12 LL10-12 Buna-N Gasket
13 LL10-13 3/16" x 1" Roll Pin
14 LL10-14 Screw
Model LL-10 thief hatch offers spring loaded vacuum and pressure setting from 4 oz. or 16 oz. pressure and .4 oz. vacuum.

Units are all aluminum cast of high quality metal.

The LL-10 has a standard API 10 3/8" diameter bolt circle for nominal 8" tank opening with 16 holes for 1/2" bolts. It is also available with 8 hole or weld on steel base. It can be used on fiberglass and steel tanks.

Shipped complete with base gasket.

Shipping Weight 11lbs. (approximately)



LL-20 Parts List
1 LL20-01 Base
2 LL10-12 Buna-N Vacuum Gasket
3 LL20-02 Buna-N Pressure Gasket
4 LL10-02 Hairpin Clip
5 LL20-00 1/4" Hinge Pin
6 LL10-09 Vacuum Spring
7 LL20-03 Lid
8 LL10-08 Cotter Key
9 LL10-07 Pressure Spring
10 LL20-04 1/4" Roll Pin
11 LL10-11 1/4" Roll Pin
12 LL20-06 Latch
13 LL10-04 Pressure Valve
14 LL20-07 Drip Pan
15 LL10-11 Vacuum Valve
16 LL10-14 Screw, Stem
Model LL-20 is an aluminum spring loaded thief hatch which offers 4 oz. or 16 oz. pressure and .4 oz vacuum.

Units are of high quality aluminum and feature an elongated drip pan for keeping tanks clean. It is designed for use on steel or fiberglass storage tanks.

The LL-20 has a standard API 10 3/8" diameter bolt circle for nominal 8" tank opening with 16 hole base for 1/2" bolts. Shipped complete with base gasket.

Shipping Weight 18lbs. (approximately)