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PN16SG Iron1/2"-1"

Spirax Sarco FT14 Ball Float Steam Trap

Spirax Sarco FT14 SG iron ball float steam trap with stainless steel internals and integral automatic air vent. Available in 1/2" to 1" screwed connections, PN16 rating. Maximum operating pressure up to 14 bar g. Supports in-line maintenance and offers horizontal (R-L/L-R) and vertical (FT14V) flow options.

Spirax Sarco FT14 Ball Float Steam Trap

Overview

The FT14 is an SG iron bodied ball float steam trap featuring stainless steel working internals and an integral automatic air venting facility. Designed for light industrial and small process applications, the FT14 allows for in-line maintenance without disturbing the pipework. Its unique ball float and lever mechanism ensures a smooth, continuous discharge of condensate even under fluctuating loads.

Key Features

  • Flexible Flow Orientation:
    • FT14 (R-L): Horizontal connections, flow from right to left.
    • FT14 (L-R): Horizontal connections, flow from left to right.
    • FT14V: Vertical connections, flow downwards.
  • Capsule: Equipped with the high-performance BP99/32 capsule, suitable for use on superheated steam (up to 150°C superheat @ 0 bar g).
  • Standards: Fully complies with the requirements of the European Pressure Equipment Directive 2014/68/EU.
  • Optional Extras:
    • SLR (Steam Lock Release): Designated 'C' (e.g., FT14-C), provides a manually adjustable needle valve to release steam locks.
    • Strainer: Designated 'X' (e.g., FT14X), includes an integral stainless steel strainer screen to protect internals.

Sizes and Pipe Connections

Sizes: 1/2" (DN15), 3/4" (DN20), and 1" (DN25)

  • Connections: Screwed BSP T Rp (ISO 7-1) or NPT.
  • Installation: Must be installed with the direction of flow as indicated on the body. For horizontal models, ensure the float arm rises and falls vertically.

Operating Range / Pressure & Temperature Limits

ParameterValue
Body design conditionsPN16
PMA (Maximum allowable pressure)16 bar g @ 100 °C
TMA (Maximum allowable temperature)250 °C @ 13 bar g
Minimum allowable temperature-10 °C
PMO (Maximum operating pressure)14 bar g
TMO (Maximum operating temperature)250 °C @ 13 bar g
Minimum operating temperature0 °C

ΔPMX (Maximum Differential Pressure):

  • FT14-4.5: 4.5 bar
  • FT14-10: 10 bar
  • FT14-14: 14 bar

Maximum cold hydraulic test pressure: 24 bar gNote: Product is safe for use under full vacuum conditions.

Spirax Sarco FT14 Pressure Temperature Limits

Materials

Spirax Sarco FT14 Construction and Materials

No.PartMaterialStandard
1*BodySG ironEN 1563 EN-GJS-400-15
2Cover boltsSteelBS 3692 Gr.8.8
3Cover gasketReinforced exfoliated graphite-
4CoverSG ironEN 1563 EN-GJS-400-15
5Valve seatStainless steelBS 970 431 S29
6Valve seat gasketStainless steelBS 1449 409 S19
7Pivot frame assembly screwsStainless steelBS 6105 CIA2-70
8Ball float and leverStainless steelBS 1449 304 S16
10Pivot frameStainless steelBS 1449 304 S16
11Pivot pinStainless steel-
12*Erosion deflector (1" only)Stainless steelBS 970 431 S29
17Air vent assemblyStainless steel-
18Air vent gasketStainless steelBS 1449 409 S19
19SLR assemblyStainless steelBS 970 303 S21
20SLR gasketStainless steelBS 1449 304 S16
21SLR sealGraphite-
28Valve spring (1" only)Stainless steelBS 2056 302 S26

Note: Item 15 is fitted to Item 1 (1" only).

Capacities

Capacities shown below are based on condensate at saturation temperature. The internal thermostatic air vent automatically opens during start-up or heavy loads to provide additional capacity.

Cold Water Additional Capacity:

  • For 4.5 bar units: Minimum of 50% increase over hot condensate figures.
  • For 10 and 14 bar units: Minimum of 100% increase.
Size0.5 bar1 bar2 bar3 bar4.5 bar7 bar10 bar14 bar
1/2" & 3/4"70 kg/h140 kg/h250 kg/h380 kg/h560 kg/h870 kg/h1130 kg/h1500 kg/h
1"120 kg/h240 kg/h360 kg/h500 kg/h640 kg/h920 kg/h1220 kg/h1500 kg/h

Spirax Sarco FT14 Discharge Capacities

Dimensions and Weights (approximate mm, kg)

SizeABB1CDE (Withdrawal)FWeight
1/2"1211079667147105302.9
3/4"1211079667147105302.9
1"14510711775166110234.0

Spirax Sarco FT14 Dimensions

Spare Parts

The spare parts available are shown in solid outline. Parts drawn in a grey line are not supplied as spares.

Available Spares:

  • Main valve assembly with float: 3, 5, 6, 7 (2 off), 8, 10, 11, 28 (1" only)
  • Air vent assembly: 3, 17, 18
  • Steam lock release and air vent assembly: 3, 17, 18, 19, 20, 21
  • Cover gasket (packet of 3): 3
  • Maintenance kit: 3, 5, 6, 7 (2 off), 8, 10, 11, 17, 18, 28 (1" only)

How to Order Spares: Always order spares by using the description given in the column headed 'Available spares' and state the size, type of trap, and pressure range. Example: 1 - Main valve assembly for a Spirax Sarco 1/2" FT14-10 ball float steam trap.

Spirax Sarco FT14 Spare Parts

ItemSize / A/FThreadTorque (Nm)
217 A/FM10 x 3047 - 50
517 A/F-50 - 55
7PozidriveM4 x 62.5 - 3.0
1717 A/F-50 - 55
19, 2119 A/F-50 - 55

Safety Information, Installation and Maintenance

For full details see the Installation and Maintenance Instructions (IM-S02-13) supplied with the product. Installation Note: Install with the flow direction as indicated on the body. Ensure the float arm is horizontal so that it rises and falls vertically.

Disposal

This product is recyclable. No ecological hazard is anticipated with the disposal of this product providing due care is taken.

How to Order

Example: 1 off Spirax Sarco 1/2" FT14-4.5 (R-L) ball float steam trap with screwed BSP T Rp (ISO 7-1) connections and integral air vent.