Applications & Features
- Flanged Seal with flush diaphragm for off-line process connection
- Rotating flange design
- Standard flange sizes from ANSI 2” to 4”. Additional sizes available on request
- Standard flange ratings from ANSI Class 150 to ANSI Class 2500
- Other flange standards available
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Ordering Information
| Base Model | HFF | Flush Flanged Seal | |
|---|---|---|---|
| Type | |||
| A | ANSI Raised Face (RF) | ||
| R | ANSI RING Joint (RTJ) | ||
| D | DIN (RF) EN1092-1 | ||
| Inst. Connection | |||
| W | Weld Connection | ( N/A with Titanium or Zirconium) | |
| 2 | 1/4" NPT | ||
| 4 | 1/2" NPT | ||
| Upper Insert | |||
| S6 | 316 / 316LSS | ||
| TI | Titanium | (Required with Titanium diaphragm) | |
| Z7 | Zirconium 702 | (Required with Zirconium diaphragm) | |
| Process Connection Size | |||
| 20 | 2.0" | ||
| 30 | 3.0" | ||
| 40 | 4.0" | ||
| C0 | DN50 | ||
| D0 | DN80 | ||
| E0 | DN100 | ||
| F0 | DN125 | ||
| Process Connection Rating | |||
| A | 150# | ||
| B | 300# | ||
| C | 600# | ||
| D | 900# | ||
| E | 1500# | ||
| F | 2500# | ||
| G | PN 10/40 | DN50 | |
| H | PN 10/16 | DN80, DN100, DN125 | |
| J | PN 25/40 | DN80, DN100, DN125 | |
| L | PN 63 | DN50, DN80, DN100, DN125 | |
| M | PN 100 | DN50, DN80, DN100, DN125 | |
| P | PN 160 | DN50, DN80, DN100, DN125 | |
| R | PN 250 | DN50, DN80, DN100, DN125 | |
| Flange Material | |||
| S6 | 316 / 316LSS | ||
| CS | Carbon Steel | ||
| Diaphragm Material | |||
| S6 | 316 / 316LSS | ||
| S4 | 304 / 304LSS | ||
| TA | Tantalum | ||
| C2 | Alloy 20 | ||
| HC | Alloy C-276 | ||
| HB | Alloy B-3 | ||
| M4 | Monel 400 | ||
| I6 | Alloy 600 | ||
| DP | Alloy 2205 | ||
| NI | Nickel 201 /200 | ||
| TI | Titanium | ||
| Z7 | Zirconium 702 | ||
| Calibration / Flushing Ring | |||
| NN | None | ||
| S6 | 316 / 316LSS | ||
| S4 | 304 / 304LSS | ||
| C2 | Alloy 20 | ||
| HC | Alloy C-276 | ||
| HB | Alloy B-3 | ||
| M4 | Monel 400 | ||
| I6 | Alloy 600 | ||
| DP | Alloy 2205 | ||
| NI | Nickel 201 /200 | ||
| TI | Titanium | ||
| Z7 | Zirconium 702 | ||
| Flushing Connections | |||
| N | No Flush | ||
| 1 | Single 1/4" NPTF | ||
| 2 | Dual 1/4"NPTF | ||
| 3 | Single 1/2" NPTF | ||
| 4 | Dual 1/2" NPTF | ||
| Options | |||
| /AU | Gold Plated Diaphragm | ||
| /NS | PTFE Coated Diaphragm | (Non Stick Only - Not for corrosion protection) | |
| /P1 | With single pipe plug for flush port ( Material same as lower) | ||
| /P2 | With dual pipe plugs for flush port ( Material same as lower) | ||
| /MC | Material cert with MTR’s |
HFF – ANSI Raised Face Dimensions
| Diaphragm Diameter | Flange | Bolt Quantity, Bolt Hole Bolt Circle Ø | “A” | “B” | “C” | “D” | “E” |
|---|---|---|---|---|---|---|---|
| 2.4" | 2"-150# | (4X), 0.75Ø, 4.75Øb.c. | 0.68" | 6.00" | 3.62" | 0.33” | 2.23” |
| 3.5" | 3"-150# | (4X), 0.75Ø, 6.00Øb.c. | 0.87" | 7.50" | 5.00" | 0.33” | 2.23” |
| 3.5" | 4"-150# | (8X), 0.75Ø, 7.50Øb.c. | 0.87" | 9.00" | 6.19" | 0.33” | 2.23” |
| 2.4" | 2"-300# | (8X), 0.75Ø, 5.00Øb.c. | 0.81" | 6.50" | 3.62" | 0.33” | 2.23” |
| 3.5" | 3"-300# | (8X), 0.88Ø, 6.62Øb.c. | 1.06" | 8.25" | 5.00" | 0.33” | 2.23” |
| 3.5" | 4"-300# | (8X), 0.88Ø, 7.88Øb.c. | 1.18" | 10.00" | 6.00" | 0.33” | 2.23” |
| 2.4" | 2"-600# | (8X), 0.75Ø, 5.00Øb.c. | 1.00" | 6.50" | 3.62" | 0.33” | 2.23” |
| 3.5" | 3"-600# | (8X), 0.88Ø, 6.62Øb.c. | 1.25" | 8.25" | 5.00" | 0.33” | 2.23” |
| 3.5" | 4"-600# | (8X), 1.00Ø, 8.50Øb.c. | 1.50" | 10.75" | 6.00" | 0.33” | 2.23” |
| 2.4" | 2"-900/1500# | (8X), 1.00Ø, 6.50Øb.c. | 1.50" | 8.50" | 3.62" | 0.33” | 2.23” |
| 3.5" | 3"-900# | (8X), 1.00Ø, 7.50Øb.c. | 1.50" | 9.50" | 5.00" | 0.33” | 2.23” |
| 3.5" | 4"-900# | (8X), 1.25Ø, 9.25Øb.c. | 1.75" | 11.50" | 6.00" | 0.33” | 2.66” |
| 3.5" | 3"-1500# | (8X), 1.25Ø, 8.00Øb.c. | 1.88" | 10.50" | 5.00" | 0.33” | 2.66” |
| 3.5" | 4"-1500# | (8X), 1.38Ø, 9.50Øb.c. | 2.12" | 12.25" | 6.00" | 0.33” | 3.31” |
| 2.4" | 2"-2500# | (8X), 1.12Ø, 6.75Øb.c. | 2.00" | 9.25" | 3.62" | 0.33” | 2.66” |
| 3.5" | 3"-2500# | (8X), 1.38Ø, 9.00Øb.c. | 2.62" | 12.00" | 5.00" | 0.33” | 3.31” |
HFF – ANSI RTJ Dimensions
| Diaph. Diameter | Flange | Bolt Quantity, Bolt Hole Ø, Bolt Circle Ø | “A” | B | C | D | “E” | “F” | RTJ Grv. # |
|---|---|---|---|---|---|---|---|---|---|
| 2.4" | 2"-150# | (4X), 0.75Ø, 4.75Øb.c. | 0.68" | 6.00" | 4.00" | .75” | 2.23” | 3.25" | R22 |
| 3.5" | 3"-150# | (4X), 0.75Ø, 6.00Øb.c. | 0.87" | 7.50" | 5.25" | .75” | 2.23” | 4.50” | R29 |
| 3.5" | 4"-150# | (8X), 0.75Ø, 7.50Øb.c. | 0.87" | 9.00" | 6.75" | .75” | 2.23” | 5.88" | R36 |
| 2.4" | 2"-300# | (8X), 0.75Ø, 5.00Øb.c. | 0.81" | 6.50" | 4.25" | .75” | 2.23” | 3.25" | R23 |
| 3.5" | 3"-300# | (8X), 0.88Ø, 6.62Øb.c. | 1.06" | 8.25" | 5.75" | .75” | 2.23” | 4.88" | R31 |
| 3.5" | 4"-300# | (8X), 0.88Ø, 7.88Øb.c. | 1.18" | 10.00" | 6.88" | .75” | 2.23” | 5.88" | R37 |
| 2.4" | 2"-600# | (8X), 0.75Ø, 5.00Øb.c. | 1.00" | 6.50" | 4.25" | .75” | 2.23” | 3.25" | R23 |
| 3.5" | 3"-600# | (8X), 0.88Ø, 6.62Øb.c. | 1.25" | 8.25" | 5.75" | .75” | 2.23” | 4.88" | R31 |
| 3.5" | 4"-600# | (8X), 1.00Ø, 8.50Øb.c. | 1.50" | 10.75" | 6.88" | .75” | 2.23” | 5.88" | R37 |
| 2.9" | 2"-900/1500# | (8X), 1.00Ø, 6.50Øb.c. | 1.50" | 8.50" | 4.88" | .75” | 2.23” | 3.75" | R24 |
| 3.5" | 3"-900# | (8X), 1.00Ø, 7.50Øb.c. | 1.50" | 9.50" | 6.00" | .75” | 2.23” | 4.88" | R31 |
| 3.5" | 4"-900# | (8X), 1.25Ø, 9.25Øb.c. | 1.75" | 11.50" | 7.00" | .75” | 2.66” | 5.88" | R37 |
| 3.5" | 3"-1500# | (8X), 1.25Ø, 8.00Øb.c. | 1.88" | 10.50" | 6.62" | .75” | 2.66” | 5.38" | R35 |
| 3.5" | 4"-1500# | (8X), 1.38Ø, 9.50Øb.c. | 2.12" | 12.25" | 7.62" | .75” | 3.31” | 6.38" | R39 |
| 3.5" | 2"-2500# | (8X), 1.12Ø, 6.75Øb.c. | 2.00" | 9.25" | 5.25" | .75” | 2.66” | 4.00" | R26 |
| 3.5" | 3"-2500# | (8X), 1.38Ø, 9.00Øb.c. | 2.62" | 12.00" | 6.50" | .75” | 3.31” | 5.00" | R32 |