. ky The Premium Pump for Air and Gas Applications LKHSP Self-priming Centrifugal Pump LKHSP. . Application The LKHSP self-priming centrifugal pump is specially designed for pumpin g liquid s contai ning air or gas witho ut loosing its pumpi ng ability. The pump is for use in food, chemical, pharmaceutical and similar industries. The LKHSP self-priming pump can be used for emptying tanks, as CIP return pump and similar applications where there is a risk of air or gas mixing with the liquid in the suction line. The pump is self-priming and is capable of creating a vacuum of 0.6 bar, depending of the pump size. Standard design Standard design The LKHSP pump consists of a tank, a NO non-return valve, a NC non-return valve, a tee and a standard LKH pump. The self-primin g pump is available in sizes LKHSP-10 , LKHSP - 20, LKHSP-25, LKHSP-35 and LKHSP-40. Shaft seals The LKHSP self-priming pump is equipped with either an external single or a flushed shaft seal. Both have station ary seal rings in acid-resistant steel AISI 329 with sealing surface in silicon carbide and rotat ing seal rings in carbon. The secondar y seal of the flushed seal is a long lasting lip seal. LKHSP selfpri ming pump may also be equipped with a double mechanical shaft seal. Materials Product wetted stee l parts : . . . . . . . . .Acid-resista nt steel 1.4404 (316L). Oth er s teel par ts: . . . . . . . . . . . . . . . Stai nless s teel 1.4301 (30 4). F in is h: . . . . . . . . . . . . . . . . . . . . . . Semi br ight . Product wett ed seals: . . . . . . . . . . . . EPDM rubber. Technical data Max. inlet pressure: . . . . . . . . . . . . . 1000 kPa (10 ba r) . T emperature r ange: . . . . . . . . . . . . . . -10°C to +100°C. Noise level (at 1 m) : . . . . . . . . . . . . . . 60 - 80 dB (A). Flushe d seal: Water pressure: . . . . . . . . . . . . . . . .Normally atmospher ic (1 00 kPa 1 bar). Water con sump tio n: . . . . . . . . . . . . .0.25 -0. 5 l/ min. Double mechanical seal: Wa ter pr essure: . . . . . . . . . . . . . . . . 1000 kPa (1 0 ba r) . Water con sump tio n: . . . . . . . . . . . . .0.25 -0. 5 l/ min. Max. static pres sur e at th e outlet: . . . . 80 kPa ( 0.8 bar) . Note! If this pressure is higher than 80 kPa, the LKC-2 special valve will not work intentionally as the spring will not open the ball in the valve. Frequ ency contro l is not possible. The system cannot work at lower rpm.
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ky The Premium Pump for Air and Gas ApplicationsLKHSP Self-priming Centrifugal Pump
LKHSP.
.
Application The LKHSP self-priming centrifugal pump is specially designed for
pumping liquids containing air or gas without loosing its pumping
ability.
The pump is for use in food, chemical, pharmaceutical and similar
industries.
The LKHSP self-priming pump can be used for emptying tanks, as CIP
return pump and similar applications where there is a risk of air or gas
mixing with the liquid in the suction line.
The pump is self-priming and is capable of creating a vacuum of 0.6
bar, depending of the pump size.
Standard designStandard design The LKHSP pump consists of a tank, a NO non-return
valve, a NC non-return valve, a tee and a standard LKH pump.
The self-priming pump is available in sizes LKHSP-10, LKHSP- 20,
LKHSP-25, LKHSP-35 and LKHSP-40.
Shaft seals
The LKHSP self-priming pump is equipped with either an externalsingle or a flushed shaft seal. Both have stationary seal rings in
acid-resistant steel AISI 329 with sealing surface in silicon carbide and
rotating seal rings in carbon. The secondary seal of the flushed seal is
a long lasting lip seal. LKHSP selfpriming pump may also be equipped