Straight couplings type: TN 98
Reduced straight couplings type: TN 98 R
Equal elbows type: TN 99
Bulkhead connections type: TN 102
Welding bulkhead connections type: TN 117
Bulkhead elbows type: TN 118
Angular rotary fitting type: TN 119
Angular rotary fitting with O-Ring seal type: TN 419
Straight couplings with O-Ring type: TN 498
Standpipe/tube reducer, light version type: TN 132 L
Standpipe /tube reducers type: TN 432 L
Standpipe /tube reducer, heavy version type: TN 132 S
