RT74 Technical Features
- Single Seal
- UnBalanced
- Bi-Directional
- EN 12756 – DIN 24960
Operating Limits
- d1 = 14 … 200 mm
- p1 = 16 (25) bar 230 (360) PSI
- T1 = -30 … 200 °C -22 … 392 °F
- Vg = 20 m/s 66 ft/s
- Axial Movement:
- d1 ≤ 25 mm ± 1.0 mm
- 28 ≤ d2 ≤ 63 mm ± 1.5 mm
- d1 ≥ 65 mm ± 2.0 mm
Material Combinations
Seal Face :
- Silicon Carbide
- Tungsten Carbide
- Stainless Steel
- Carbon
- Ceramic
Stationary Seats:
- Silicon Carbide
- Tungsten Carbide
- Stainless Steel
- Carbon
- Ceramic
Elastomers:
- FKM (Viton)
- Nitryl (NBR)
- EPDM
- Silicon rubber
- PTFE
Usable as Burgmann alternative for:
- M74
- M74S2
- M74F