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MT-150-2-K


Molecular Sieve Foreline Traps

Key High's MT Series Molecular Traps are extremely efficient at trapping water vapor and preventing backstreaming from backing pumps. The MT series traps contain a synthetic zeolite, type 13X, which absorbs vapors. Zeolite is among the best materials available to trap oil vapor. The pore size of the zeolite is 10-13 angstroms. These MT series traps capture vapors before they can reach the mechanical pump and contaminate the pump oil, significantly reducing oil changes on the mechanical pump.

MT series traps are fabricated from 304 series stainless steel. They can be installed in any position and operate at room temperature. The zeolite pellets are in a wire-cloth cylinder, offering high conductance. The wire cloth cylinders have baffles installed, which route the gas through the zeolite. For new installs or when base pressures can no longer be reached, the zeolite must be regenerated by baking.  The zeolite is recharged by supplying 120v AC to the heater while the trap is under vacuum, with the mechanical pump’s gas ballast valve open. The bakeout cycle will remove the trapped water vapor from the zeolite. However, oil trapped by the zeolite may not be entirely removed as it can become baked into the zeolite. The regeneration process typically takes 3-6 hours, depending upon the amount and type of absorbed gases.

Zeolite should be replaced once saturated. It is easily changed: Simply remove the MT series trap from the system, unscrew the compression nut on the bonnet, drain, and then refill with new, clean zeolite. When properly used, the MT series traps will also lower the overall base pressure of the system.


 

 

Molecular Sieve Foreline Traps

Molecular Sieve Foreline Traps

Molecular Sieve Foreline Traps

 
PART NUMBER PORT STYLE A B C D E
MT-75 3/4” OD tube 3/4” 4-1/2" 2" 1-5/8" 5-1/4"
MT-75-2-K NW 16 3/4” 4-1/2" 2-3/16" 1-5/8" 5-1/4"
MT-75-2-MS v1-1/3"OD MET-SEAL 3/4” 4-1/2" 2-1/2" 1-5/8" 5-1/4"
MT-100 1" OD tube 1” 4-1/2" 2" 1-5/8" 5-1/4"
MT-100-2-K NW 25 1” 4-1/2" 2-3/16" 1-5/8" 5-1/4"
MT-100-2-MS 2-1/8" OD MET-SEAL 1” 4-1/2" 2-3/16" 1-5/8" 5-1/4"
MT-150 1-1/2" OD tube 1-1/2” 4-1/2" 2" 2" 7-7/8"
MT-150-2-K NW 40 1-1/2” 4-1/2" 2-3/16" 2" 7-7/8"
MT-150-2-MS 2-3/4" OD MET-SEAL 1-1/2” 4-1/2" 2-1/4" 2" 7-7/8"
MT-200 2" OD tube 2” 4-1/2" 2" 2" 7-7/8"
MT-200-2-K NW 50 2” 4-1/2" 2-3/16" 2" 7-7/8"
MT-200-2-MS 3-3/8" OD MET-SEAL 2” 4-1/2" 2-1/4" 2" 7-7/8"
MT-250 2-1/2" OD tube 2-1/2” 4-1/2" 2" 2" 7-7/8"
MT-250-2-K NW 63 2-1/2” 4-1/2" 2-1/4" 2" 7-7/8"
MT-250-2-MS 4-1/2" OD MET-SEAL 2-1/2” 4-1/2" 2-3/8" 2" 7-7/8"
MT-300 3" OD tube 3” 6" 2-1/2" 3" 10"
MT-300-2-K NW 80 3” 6" 2-3/4" 3" 10"
MT-300-2-MS 4-5/8" OD MET-SEAL 3” 6" 2-3/4" 3" 10"
MT-400 4" OD tube 4” 8" 1-1/2" 4" 13"
MT-400-2-K NW 100 4” 8" 1-3/4" 4" 13"
MT-400-2-MS 6" OD MET-SEAL 4” 8" 1-15/16" 4" 13"

 

Replacement Molecular Sieve Charges

PART NUMBER USE FOR
MT-100-MSC MT-75 / MT-100
MT-150-MSC MT-150 / MT-200 / MT-250
MT-300-MSC MT-300
MT-400-MSC MT-400

 

Replacement Cartridge Heaters

PART NUMBER USE FOR
J5A74 MT-75 / MT-100
J8A111 MT-150 / MT-200 / MT-250
J10A62 MT-300 / MT-400 (2 per)

 

MT Sizing Chart

PART NUMBER USE WITH CFM PUMP HEATER 120V WATTS SIEVE CHARGE
MT-75 2 to 8 75 .7 lbs
MT-100 2 to 8 75 .7 lbs
MT-150 8 to 20 120 1.1 lbs
MT-200 15 to 25 120 1.1 lbs
MT-250 20 to 30 120 1.1 lbs
MT-300 30 to 45 375 3.3 lbs
MT-400 50 to 75 375 4.7 lbs

Product information is subject to change without notice. Product images may include options or accessories not included with the base model.

Key High Vacuum Products, Inc.
Key High
36 Southern Boulevard 11767 Nesconset, NY
1-631-360-3970
sales@keyhigh.com
1-631-360--3970

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