
Fluid transfer & fittings
PTFE Lined Valves
PFA and FEP lined valves on cast steel bodies to ASME/ANSI B16.5 Class 150 — quarter-turn isolation, throttling, non-return and flush bottom duty on the most aggressive process media.
PTFE Lined Valves
9 productsLined Valves
7 itemsLined Valves

Lined Valves

Lined Valves

Lined Valves

Lined Valves

Lined Valves

Lined Valves

Engineering reference
Standards that apply across the ptfe lined valves range.
These tables govern every item in this category. Product pages carry only their own dimensions.
| Size | OD (±2) | PCD (±2) | R/F (±2) | No. of holes | Hole dia. | Lining th. |
|---|---|---|---|---|---|---|
| 0.5" | 88.9 | 60.3 | 35 | 4 | 16 | 3.2 |
| 0.75" | 98.4 | 69.8 | 43 | 4 | 16 | 3.2 |
| 1" | 107.9 | 79.4 | 51 | 4 | 16 | 3.2 |
| 1.5" | 127 | 98.4 | 73 | 4 | 16 | 3.2 |
| 2" | 152.4 | 120.6 | 92 | 4 | 19 | 3.5 |
| 2.5" | 177.8 | 139.7 | 105 | 4 | 19 | 3.5 |
| 3" | 190.5 | 152.4 | 127 | 4 | 19 | 4 |
| 4" | 228.6 | 190.5 | 158 | 8 | 19 | 4.5 |
| 6" | 279.4 | 241.3 | 216 | 8 | 22 | 5.5 |
| 8" | 342.9 | 298.4 | 270 | 8 | 22 | 5.5 |
| 10" | 406.4 | 361.9 | 324 | 12 | 25 | 6.5 |
| 12" | 482.6 | 431.8 | 381 | 12 | 25 | 6.5 |
| 14" | 533.4 | 476.2 | 412 | 12 | 29 | 6.5 |
| 16" | 596.9 | 539.7 | 470 | 16 | 29 | 6.5 |
| 18" | 635 | 577.8 | 534 | 16 | 32 | 6.5 |
| 20" | 698.5 | 635 | 585 | 20 | 32 | 6.5 |
| 24" | 812.8 | 749.3 | 692 | 20 | 35 | 6.5 |
All dimensions in mm. Applies to every flanged item in the lined range.
| NB | Bolts | Torque (N·m) |
|---|---|---|
| 1/2" | 4 × 1/2" | 20 |
| 3/4" | 4 × 1/2" | 20 |
| 1" | 4 × 1/2" | 30 |
| 1.1/2" | 4 × 1/2" | 30 |
| 2" | 4 × 5/8" | 60 |
| 3" | 4 × 5/8" | 60 |
| 4" | 8 × 5/8" | 60 |
| 6" | 8 × 3/4" | 110 |
| 8" | 8 × 3/4" | 110 |
| 10" | 12 × 7/8" | 160 |
| 12" | 12 × 7/8" | 180 |
| 14" | 12 × 1" | 200 |
| 16" | 16 × 1" | 190 |
| 18" | 16 × 1"1/2 | 370 |
| 20" | 20 × 1"1/8 | 370 |
| 24" | 20 × 1"1/4 | 530 |
Values are for ANSI 150 lb flanges at room temperature. Cross-tighten as with any flange joint, re-check after 24 hours of operation and then at regular intervals. Torque may vary with lubrication and the condition of nuts and bolts.
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