FTCT-M is good replacement of the original Burgmann MTEX double cartridge metal bellow seal.
Operating range
Shaft diameter:
d1 = 25 ... 80 mm (1" … 3.15")
Temperature:
t* = –40 °C ... +220 °C (–40 °F ... + 428 °F)
Pressure: p1 = 25 bar (232 PSI)
Sliding velocity: vg = 20 m/s (66 ft/s)
Barrier fluid circulation system:
p3max = 16 bar (232 PSI)
Δp (p3–p1) ideal = 2 … 3 bar (29 … 44 PSI)
Δp (p3–p1) max.
= 10 bar (145 PSI) at<120 °C (<248 °F)
= 5 bar (73 PSI) at ≤ 220 °C (≤232 °F)
API Plan 52 (53/54)
Pump startup:
Δp (p3–p1) max.16 bar (232 PSI) allowed
* Operating limits of O-Rings to be observed
Materials
Seal face:
Carbon graphite (A), Silicon carbide (Q1)
Seat:
Silicon carbide (Q1), Tungsten carbide (U2)
Secondary seals:
FPM (V), EPDM (E), FFKM (K)
Bellows: Inconel® 718 (M6)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1)
Recommended applications
Process industry
Chemical industry
Hot media
Cold media
Highly viscous media
Pumps
Special rotating equipment
