Replacement Parts for Tanks

Inflatable Gaskets

Information regarding the Inflatable Gaskets

Determining Correct Gasket Size

1. Measure inside diameter of tank in inches (not the lid).
2. Multiply by 2.54
3. This is diameter in cm
4. Choose closest matching diameter from table.

• Polyurethane gaskets may seem too small. They can stretch at least 10%.
• It is easier to inflate (stretch) the gasket prior to putting it on the lid.
• Black Rubber stem is larger diameter than hole in our lid (0.46" vs 0.4"). You must enlarge the hole. Easiest way is to use a step drill bit, available at Home Depot etc. or online at mcmaster.com P/N 89315A46.

Inflatable gaskets have 30 day warranty subject to normal use and service.

Tube-Diameter

Letina Tank

40 cm

100 L

50 cm

200 L

60 cm

300 L

80 cm

600 L

95 cm

1000 L

110 cm

2000 L

160 cm

4000 L

175 cm

6000 L

190 cm

8500 L

220 cm

15800 L

Air Pumps and Parts

Periodic maintenance: Remove the valve (black knob in photo) and lubricate orings and tefon tip.

Do not overtighten black knob. Overtightening will change the shape of the teflon, making it harder to seal in the future.

Pumps for air tubes have 5 day warranty subject to normal use and service.

Includes small oring, 2 larger orings, and Tefon tip (8 mm press fit).

1/4" pipe thread. Same gauge for D28 and D40 pumps.

Letina Sample Tap and Parts

Fits Letina tanks (DIN15). 

If it leaks around the DIN valve connection, it is the Gasket.

If it drips from the spout when closed, it is the Teflon tip.

If it drips out the end when open, it is the Oring.

Do not overtighten sample taps. This deforms the teflon tip. 

Grease sample taps annually. 

DIN15 connection. 

Includes teflon tip and oring. (tip is 6 mm press fit)
DIN15 gasket is not included.

 If you wish to cap off a Letina Sample tap you need DIN15 Round Nut, DIN15 End Cap, and DIN15 gasket. Same items can cap off the level indicator port.

Sight Level Valve, Parts, and Tubing for Letina Tanks

• The sight level tubes have 3-way valve.
• One side goes into tank and uses DIN15 gasket.
• Side Port is identical to Letina Sample Tap. see Sample Tap Parts.
• Drain Port has a different teflon tip and oring.

8 mm press fit teflon tip. You must use a mallet to drive it in.

16 mm soft tubing. Regulatory compliance with FDA, 3A, USDA, and USP VI.

Wheels for Letina Tanks

Measure diameter of wheel only, not bracket.

Letina Thermometer

Analog Thermometer

Stem length

Top Hatch Latches

Includes knob and threaded rod

Long fits 400 mm (16") hatch.

Length without knob 4.5"

Short fits 300 mm (12") hatch.

Length without knob 3"

Brass Bushing for Rectangular Door

 Brass Bushing-Rect. Door    $4.00

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Electrical Parts for Mixing Tanks

Replacement Gaskets for Letina Manways and Hatches

Sizing Gaskets---Measure the inside diameter of the opening.

Letina uses Elastocil E41 silicone sealant on manway door gaskets to help with seating. Any RTV-1 silicone sealant suitable for food use is fine.

Vent 211 and Adapters

• Standard on our tanks
• Pressure vents at 0.05 psi
• Vacuum break at 0.05 psi (let air/gas into tank when tank is drained)
• Max flow rate 125 GPM (Be sure the flow rate matches or exceeds the pump speed when filling/emptying)
• Associated lid tube mitigates wime coming through (as with inexpensive white vents)
• Easy to remove and clean
• Better seal than white plastic vents
• Hard grey plastic