E50FTT-W-F4 by Almatec
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The Wilden Almatec E50 FTT-W-F4 is an air-driven double diaphragm pump designed for higher performance and enhanced safety. This E Series pump features a conductive polyethylene body and seats, alongside a carbon-filled PE resin approved to FDA 21 CFR 177.1550 and 178.3297. It is equipped with a PTFE diaphragm featuring an integrated piston, PTFE balls, conductive PE seats, and FEP/Viton seals. The air-side chambers, central block, body, and seats are all made of conductive PE, and the unit complies with the ATEX 94/9/EG standard with CE Ex II 2 GDc IIB T70°C certification. Designed with a bolted assembly and a pressure disc made of 1.4301 (AISI 304) stainless steel for improved force distribution and sealing, it features the Perswing anti-stall design air distribution system. The E50FTT-W-F4 operates using dry, unlubricated air filtered to 5 μm and is supplied with an exhaust silencer. It delivers a maximum flow rate of 35.0 m3/h on H2O at 0 bar and 7 bar of air.
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Characteristics
| Manufacturer | Almatec |
|---|---|
| Country | |
| Part number | E50FTT-W-F4 |
| Inner Code | 5166051 |
Technical specification
| Product type | Air-driven double diaphragm pump |
|---|---|
| Body and seats | Conductive polyethylene |
| Diaphragm | PTFE with integrated piston |
| Balls | PTFE |
| Seals | FEP/Viton |
| Air-side chambers and central block | Conductive PE |
| Assembly and pressure disc | 1.4301 (AISI 304) stainless steel |
| Suction and discharge connections | 2" NPT female + stainless steel inserts for ANSI 2" flange connection, FEP gasket |
| Air connection | 1/2" BSP female |
| ATEX compliance | ATEX 94/9/EG standard |
| CE rating | CE Ex II 2 GDc IIB T70°C |
| Maximum flow rate | 35.0 m3/h |
| Maximum suction height, dry / primed | 4.0 / 9.0 mCe |
| Maximum admissible suction pressure | 0.5 to 0.7 bar |
| Maximum admissible P.Ref. / P.Air differential | 0.5 to 0.7 b |
| Maximum pumped fluid temperature | reduced to 80°C for metal or PTFE pumps, PE pumps limited to 70°C |