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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 products

Lined Valves

7 items
Lined ValvesPTFE lined ball valve with cast steel body, lever handle and fluoropolymer lined bore

PTFE Lined Ball Valve

Lined quarter-turn ball valve, NB 1" to 10"

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Lined ValvesPTFE lined butterfly valve showing disc, stem heights H1 and H2 and lined body

PTFE Lined Butterfly Valve

Lined butterfly valve, NB 2" to 12"

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Lined ValvesPTFE lined non return valve with flanged body and lined bore preventing reverse flow

PTFE Lined Non Return Valve

Lined check valve, NB 1" to 10"

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Lined ValvesPTFE lined plug valve with tapered plug, stem height H and flanged lined body

PTFE Lined Plug Valve

Lined quarter-turn plug valve, NB 1" to 10"

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Lined ValvesPTFE lined diaphragm valve with bonnet, handwheel height H and lined weir body

PTFE Lined Diaphragm Valve

Lined diaphragm valve, NB 1" to 8"

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Lined ValvesPTFE lined flush bottom valve with 45 degree outlet, heights H and H2 and lined vessel connection

PTFE Lined Flush Bottom Valve

Lined tank bottom outlet valve, 2"×1" to 6"×4"

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Lined ValvesPTFE lined swing check valve in short wafer pattern body with lined flange faces

PTFE Lined Swing Check Valve

Wafer-pattern lined swing check, NB 3" to 14"

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Lined Sight Flow Indicators

2 items
Lined Sight Flow IndicatorsPTFE lined double window sight flow indicator with opposed glass windows and lined body

PTFE Lined Double Window Sight Flow Indicator

Lined double window sight glass, NB 1/2" to 16"

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Lined Sight Flow IndicatorsPTFE lined tubular sight flow indicator with full-bore glass tube between lined flanges

PTFE Lined Tubular Sight Flow Indicator

Lined tubular sight glass, NB 1/2" to 16"

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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.

Flange dimensions to ASME/ANSI B16.5 Class 150
SizeOD (±2)PCD (±2)R/F (±2)No. of holesHole dia.Lining th.
0.5"88.960.3354163.2
0.75"98.469.8434163.2
1"107.979.4514163.2
1.5"12798.4734163.2
2"152.4120.6924193.5
2.5"177.8139.71054193.5
3"190.5152.41274194
4"228.6190.51588194.5
6"279.4241.32168225.5
8"342.9298.42708225.5
10"406.4361.932412256.5
12"482.6431.838112256.5
14"533.4476.241212296.5
16"596.9539.747016296.5
18"635577.853416326.5
20"698.563558520326.5
24"812.8749.369220356.5

All dimensions in mm. Applies to every flanged item in the lined range.

Table 1 — flange bolting and tightening torque
NBBoltsTorque (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"1/2370
20"20 × 1"1/8370
24"20 × 1"1/4530

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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