RESTRICTION ORIFICE UNIONS

Imperial Flange and Fitting

sales@imperialco.net   P.O. Box 352262  Los Angeles, California 90035 (USA)

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Imperial Flange and Fitting offers the following orifice unions: Orifice, Screwed (FNPT), Socket Weld, Copper Sweat, Butt Weld, Insert, Combination, Tube, Reducing, Elbow, Safety Wire Lock, Dielectric, Male (MNPT), and Bulkhead. All of the orifice unions are described in the table below:

Orifice
Orifice Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000
Seat: O-ring & flat face
Type: All union types can be orifice
Screwed (FNPT)
Screwed (FNPT) Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000
Seat: O-ring & integral seat
Also available: BSPT
Socket Weld
Socket Weld Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000, 9000
Seat: O-ring & integral seat
Schedule: 10, 40, 80, 160, XXH
Copper Sweat
Copper Sweat Union
Size range: 1/8" to 3"
Fitting class: 3000
Seat: O-ring & integral seat
Type: K, L, M
Butt Weld
Butt Weld Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000, 9000
Seat: O-ring & integral seat
Schedule: 10, 40, 80, 160, XXH
Insert
Insert Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000, 9000
Seat: O-ring & integral seat
Schedule: 10, 40, 80, 160, XXH
Combination
Combination Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000
Seat: O-ring & integral seat
Type: All union types can be crossed
Tube
Tube Union
Size range: 1/8" to 4"
Fitting class: 3000, 6000
Seat: O-ring & integral seat
Schedule: To match your tube
Reducing
Reducing Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000
Seat: O-ring & integral seat
Size step: Can be stepped down 3 sizes
Example: 1" to 1/2"
Type: All union type can be reduced
Elbow
Elbow Union
Size range: 1/8" to 2"
Fitting class: 150#
Seat: O-ring & integral seat
Type elbow: FNPT, SW, tube, copper sweat
Type Tailpiece: All unions
Safety Wire Lock
Safety Wire Lock Union
Size range: 1/8" to 5"
Fitting class: 3000
Seat: O-ring & integral seat
Type: FNPT, SW
Also available: Twist pliers & extra safety wire
Dielectric
Dielectric Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000
Seat: O-ring
Note: Tailpiece has to be FNPT or MNPT
Male (MNPT)
Male (MNPT) Union
Size range: 1/8" to 5"
Fitting class: 3000, 6000
Seat: O-ring & integral seat
Schedule: 10, 40, 80, 160, XXH
Also available: BSPT
Bulkhead
Bulkhead Union
Size range: 1/8" to 2"
Fitting class: 150#
Seat: Gasket (only viton or buna)
Type: FNPT, SW, tube, copper sweat