Page 4 - Chemical
P. 4

     43.5 PSI 3 BAR
4”
BET 8310ASW-6
Model 8310
          Weld Collar
Cover
Wing-Nut, Swing Bolts Hinge Pins
Number of Hold Downs
*Working Pressure
Weight
Collar Height
Part Number
          Aluminum
Steel
T304 SS
47 Lbs 21.4 Kg
BET 8310ASW-4
        Aluminum
T316L
T304 SS
6
BET 8310ALW-4
            Steel
Steel
T304 SS
58 Lbs 26.4 Kg
BET 8310SCW-4
        T316 L
T316L
T304 SS
BET 8310LCW-4
               Aluminum
Steel
T304 SS
     Aluminum
T316L
T304 SS
43.5 PSI 3 BAR
50 Lbs 22.7 Kg
   6
6”
BET 8310ALW-6
            Steel
Steel
T304 SS
68 Lbs 30.9 Kg
BET 8310SCW-6
        T316L
T316L
T304 SS
BET 8310LCW-6
               Aluminum
Steel
T304 SS
56 Lbs 25.5 Kg
BET 8310ASW-10
        Aluminum
T316L
T304 SS
6
43.5 PSI 3 BAR
10”
BET 8310ALW-10
              Steel
Steel
T304 SS
86 Lbs 36.28 Kg
BET 8310SCW-10
             T316L
T316L
T304 SS
BET 8310LCW-10
        1-4
• Threaded Hold-Downs • Heavy Duty Hinges
• 4”, 6”, 10” High Collars
Available
Betts 20” Full Opening Manholes are fabricated for greater strength and less weight. Full 20” opening assures safe entrance for inspection or cleaning of tank. Extra heavy hinge pins and threaded swing bolts provide longer life and less maintenance.
Notes: White Hypalon gasket furnished as standard (reference suffix “W” in assembly number). * Tests were conducted and ratings determined with homogeneous gaskets.
During installation and welding the collars to the tank, care should be exercised to insure the collars remain flat and round in order to assure proper performance. If necessary a welding fixture should be used to prevent distortion.
Manholes Chemical Trailer Parts Catalog



















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