KYKY · KYKY FF-250/2000 Grease-Lubricated Turbomolecular Pump

KYKY FF-250/2000 Grease-Lubricated Turbomolecular Pump

Name: KYKY FF-250/2000 Grease-Lubricated Turbomolecular Pump
Brand: KYKY
SKU: hv-ff2502000

Key specifications

ModelFF-250/2000

BrandKYKY

Pumping speed2000 L/s

Power≤750 W

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Description

KYKY FF-250/2000 grease-lubricated turbomolecular pump with DN250 CF / DN250 ISO-K inlet flange. Pumping speed for N₂ 2000 L/s, compression ratio for N₂ 1×10⁸, ultimate pressure 6×10⁻⁷ Pa (CF) / 6×10⁻⁶ Pa (ISO-K), rated speed 24000 rpm. Water cooling; controllers: TCDP-II, FD-IIB, TD-II/TCP-II.

Technical data

Manufacturer model designation	FF-250/2000
Inlet flange	DN250 CF / DN250 ISO-K
Outlet flange	DN50 ISO-KF
Pumping speed for N₂	2000 L/s (4,238 CFM)
Pumping speed for He	1600 L/s (3,390 CFM)
Pumping speed for H₂	740 L/s (1,568 CFM)
Pumping speed for Ar	1900 L/s (4,026 CFM)
Compression ratio for N₂	1×10⁸
Compression ratio, He	1×10⁴
Compression ratio for H₂	6×10³
Compression ratio, Ar	1×10⁹
Ultimate pressure	CF: 6×10⁻⁷ Pa; ISO-K: 6×10⁻⁶ Pa
Max. continuous forevacuum pressure	200 Pa
Max. forevacuum pressure, N₂	650 Pa
Max. gas throughput, N₂	3200 sccm
Rated speed	24000 rpm
Start-up time	≤9 min
Cooling method	Water-cooled
Cooling water flow rate	≥1 L/min (0.04 CFM)
Cooling water temperature	≤25 ℃
Supply voltage	24 V DC / 220 V AC
Maximum power	≤750 W
Controller model	TCDP-II, FD-IIB, TD-II/TCP-II
Recommended backing pump speed	15 L/s (31.8 CFM)
Weight	32 kg (LF); 35 kg (CF)