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Series F – Rotoflux Stainless Steel Unions
The unions of the model F, in stainless steel, are provided with two different micro-lapped sealing assemblies:
- N model (Standard) with carbon graphite to carbide seals.
- D model (Heavy duty) with carbide to carbide seals.
All the metallic parts in contact with the fluid, are in stainless steel. Flange rotor are available for rotations in both directions.
Do not use the unions at max application limits without consulting ROTOFLUX.
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Acqua – Water -Wasser – Agua | ¼” ÷ 1½” – 50 bar / 725 PSI 2″ – 40 bar / 580 PSI |
95°C / 203°F | ¼” ÷ ¾” – 3.500 1″ – 3.000 ¼” ÷ 1½” – 2.500 2″ – 750 |
Aria – Air – Luft – Aire | 10 bar / 145 PSI | ||
Vuoto – Vacuum – Vakuum – Vacio | 7 kPa / 2″ Hg |


Ordering code | Giunti a un passaggio – Single passage unions – Einweg Drehdurchführungen – Juntas a vía simple | |||||||||||||
Water N | Water D | Air – Vacuum | A | B | C | ø D | E | ø F1 | ø F2 | ø G | H | I | L | Kg |
F08-1300-01R | F08-1301-01R | F08-1302-01R | G 1/4″ RH | G 1/4″ | – | 7 | 88 | 43 | – | 20 | 17 | 11 | 67 | 0,6 |
F08-1300-02L | F08-1301-02L | F08-1302-02L | G 1/4″ LH | |||||||||||
F10-1300-01R | F10-1301-01R | F10-1302-01R | G 3/8″ RH | G 3/8″ | G 1/4″ | 9 | 108 | 43 | – | 25 | 17 | 13 | 73 | 0,7 |
F10-1300-02L | F10-1301-02L | F10-1302-02L | G 3/8″” LH | |||||||||||
F15-1300-01R | F15-1301-01R | F15-1302-01R | G 1/2″ RH | G 1/2″ | G 3/8″ | 13 | 121 | 54 | – | 30 | 24 | 13 | 82 | 1,3 |
F15-1300-02L | F15-1301-02L | F15-1302-02L | G 1/2″ LH | |||||||||||
F20-1300-01R | F20-1301-01R | F20-1302-01R | G 3/4″ RH | G 3/4″ | G 1/2″ | 18 | 142 | 64 | – | 37 | 30 | 16 | 94 | 1,9 |
F20-1300-02L | F20-1301-02L | F20-1302-02L | G 3/4″ LH | |||||||||||
F25-1300-01R | F25-1301-01R | F25-1302-01R | G 1″ RH | G 1″ | G 3/4″ | 23 | 166 | 69 | – | 45 | 36 | 20 | 105 | 2,4 |
F25-1300-02L | F25-1301-02L | F25-1302-02L | G 1″ LH | |||||||||||
F32-1300-01R | F32-1301-01R | F32-1302-01R | G 1 1/4″ RH | G 1 1/4″ | G 1″ | 31 | 187 | 85 | 95 | 55 | 46 | 22 | 119 | 4,7 |
F32-1300-02L | F32-1301-02L | F32-1302-02L | G 1 1/4″ LH | |||||||||||
F40-1300-01R | F40-1301-01R | F40-1302-01R | G 1 1/2″ RH | G 1 1/2″ | G 1 1/4″ | 36 | 209 | 101 | 109 | 60 | 50 | 24 | 132 | 7 |
F40-1300-02L | F40-1301-02L | F40-1302-02L | G 1 1/2″ LH | |||||||||||
F50-1300-01R | F50-1301-01R | F50-1302-01R | G 2″ RH | G 2″ | G 1 1/4″ | 48 | 224 | 112 | 119 | 70 | 60 | 25 | 139 | 8,2 |
F50-1300-02L | F50-1301-02L | F50-1302-02L | G 2″ LH |

Ordering code | Giunti a un passaggio – Single passage unions – Einweg Drehdurchführungen – Juntas a vía simple | |||||||||||||||
Water N | Water D | Air – Vacuum | B | C | ø D | E | ø F1 | ø F2 | L | ø M | ø N | ø P h7 | Q | R | S | Kg |
F10-1300-03F | F10-1301-03F | F10-1302-03F | G 3/8″ | G 1/4″ | 9 | 111 | 43 | – | 82 | 53 | 38 | 18 | 6 | 8 | 9 | 0,8 |
F15-1300-03F | F15-1301-03F | F15-1302-03F | G 1/2″ | G 3/8″ | 13 | 125 | 54 | – | 92 | 60 | 45 | 25 | 6 | 10 | 9 | 1,5 |
F20-1300-03F | F20-1301-03F | F20-1302-03F | G 3/4″ | G 1/2″ | 18 | 140 | 64 | – | 101 | 68 | 50 | 30 | 6 | 10 | 9 | 2,1 |
F25-1300-03F | F25-1301-03F | F25-1302-03F | G 1″ | G 3/4″ | 23 | 168 | 69 | – | 119 | 78 | 60 | 36 | 7 | 12 | 9 | 2,7 |
F32-1300-03F | F32-1301-03F | F32-1302-03F | G 1 1/4″ | G 1″ | 31 | 189 | 85 | 95 | 133 | 94 | 70 | 44 | 8 | 12 | 11 | 5,3 |
F40-1300-03F | F40-1301-03F | F40-1302-03F | G 1 1/2″ | G 1 1/4″ | 36 | 204 | 101 | 109 | 139 | 99 | 78 | 52 | 10 | 14 | 11 | 7,2 |
F50-1300-03F | F50-1301-03F | F50-1302-03F | G 2″ | G 1 1/4″ | 48 | 225 | 112 | 119 | 154 | 119 | 95 | 65 | 10 | 14 | 11 | 9 |

Ordering code | Giunti due passaggi sifone fisso – Double passage stationary siphon – Zweiwege für stehendes Siphonrohr – Double vía con sifón fijo | |||||||||||||||
Water D | Water N | A | B | ø D | E | ø F1 | ø F2 | ø G | H | I | L | T | U | V | W | Kg |
F10-1300-01R-800 | F10-1301-01R-800 | G 3/8″ RH | G 3/8″ | 9 | 129 | 43 | – | 25 | 17 | 13 | 73 | 92 | 10 | M6 | G 1/4″ | 0,9 |
F10-1300-02L-800 | F10-1301-02L-800 | G 3/8″” LH | ||||||||||||||
F15-1300-01R-800 | F15-1301-01R-800 | G 1/2″ RH | G 1/2″ | 13 | 146 | 54 | – | 30 | 24 | 13 | 82 | 105 | 12 | G 1/8″ | G 3/8″ | 1,5 |
F15-1300-02L-800 | F15-1301-02L-800 | G 1/2″ LH | ||||||||||||||
F20-1300-01R-800 | F20-1301-01R-800 | G 3/4″ RH | G 3/4″ | 18 | 173 | 64 | – | 37 | 30 | 16 | 94 | 123 | 14 | G 1/4″ | G 1/2″ | 2,2 |
F20-1300-02L-800 | F20-1301-02L-800 | G 3/4″ LH | ||||||||||||||
F25-1300-01R-800 | F25-1301-01R-800 | G 1″ RH | G 1″ | 23 | 200 | 69 | – | 45 | 36 | 20 | 105 | 144 | 16 | G 3/8″ | G 1/2″ | 2,7 |
F25-1300-02L-800 | F25-1301-02L-800 | G 1″ LH | ||||||||||||||
F32-1300-01R-800 | F32-1301-01R-800 | G 1 1/4″ RH | G 1 1/4″ | 31 | 224 | 85 | 94 | 55 | 46 | 22 | 119 | 158 | 16 | G 1/2″ | G 3/4″ | 5,1 |
F32-1300-02L-800 | F32-1301-02L-800 | G 1 1/4″ LH | ||||||||||||||
F40-1300-01R-800 | F40-1301-01R-800 | G 1 1/2″ RH | G 1 1/2″ | 36 | 256 | 93 | 109 | 60 | 50 | 24 | 132 | 177 | 18 | G 3/4″ | G 1″ | 7,4 |
F40-1300-02L-800 | F40-1301-02L-800 | G 1 1/2″ LH | ||||||||||||||
F50-1300-01R-800 | F50-1301-01R-800 | G 2″ RH | G 2″ | 48 | 281 | 112 | 119 | 70 | 60 | 25 | 139 | 193 | 20 | G 1″ | G 1 1/4″ | 8,7 |
F50-1300-02L-800 | F50-1301-02L-800 | G 2″ LH |
Metric threads, NPT threads and other threads are available.

Ordering code | Giunti due passaggi sifone fisso – Double passage stationary siphon – Zweiwege für stehendes Siphonrohr – Double vía con sifón fijo | |||||||||||||||||
Water N | Water D | B | ø D | E | ø F1 | ø F2 | L | ø M | ø N | ø P h7 | Q | R | S | T | U | V | W | Kg |
F10-1300-03F-800 | F10-1301-03F-800 | G 3/8″ | 9 | 132 | 43 | – | 82 | 53 | 38 | 18 | 6 | 8 | 9 | 101 | 10 | M6 | G 1/4″ | 1 |
F15-1300-03F-800 | F15-1301-03F-800 | G 1/2″ | 13 | 151 | 54 | – | 92 | 60 | 45 | 25 | 6 | 10 | 9 | 115 | 12 | G 1/8″ | G 3/8″ | 1,7 |
F20-1300-03F-800 | F20-1301-03F-800 | G 3/4″ | 18 | 172 | 64 | – | 101 | 68 | 50 | 30 | 6 | 10 | 9 | 130 | 14 | G 1/4″ | G 1/2″ | 2,4 |
F25-1300-03F-800 | F25-1301-03F-800 | G 1″ | 23 | 202 | 69 | – | 119 | 78 | 60 | 36 | 7 | 12 | 9 | 157 | 16 | G 3/8″ | G 1/2″ | 3 |
F32-1300-03F-800 | F32-1301-03F-800 | G 1 1/4″ | 31 | 225 | 85 | 94 | 133 | 94 | 70 | 44 | 8 | 12 | 11 | 172 | 16 | G 1/2″ | G 3/4″ | 5,6 |
F40-1300-03F-800 | F40-1301-03F-800 | G 1 1/2″ | 36 | 251 | 93 | 109 | 139 | 99 | 78 | 52 | 10 | 14 | 11 | 185 | 18 | G 3/4″ | G 1 “ | 7,6 |
F50-1300-03F-800 | F50-1301-03F-800 | G 2″ | 48 | 282 | 112 | 119 | 154 | 119 | 95 | 65 | 10 | 14 | 11 | 208 | 20 | G 1 “ | G 1 1/4″ | 9,5 |

Interfaccia cliente – Customer interface – Montageanweisungen – Montaje de la junta | ||||||
ø D1 | ø N1 | ø P1 F8 | RA | Q1 | S1 | |
F10 | 9 | 38 | 18 | 0,2 | 6 | M8 4×90° |
F15 | 13 | 45 | 25 | 0,2 | 6 | M8 4×90° |
F20 | 18 | 50 | 30 | 0,2 | 6 | M8 4×90° |
F25 | 23 | 60 | 36 | 0,2 | 7 | M8 4×90° |
F32 | 31 | 70 | 44 | 0,2 | 8 | M10 4×90° |
F40 | 36 | 78 | 52 | 0,2 | 10 | M10 4×90° |
F50 | 48 | 95 | 65 | 0,2 | 10 | M10 4×90° |