Micro-Diaphragm Gas-Sampling Pumps

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Shenzhen Keyto Fluid Technology Co., Ltd.

VIP   Audited Supplier 11 years
Profile Certified by SGS/BV
7121-32-ELN45
EMC, ISO9001:2000, RoHS, CE
12/24VDC
12V
Plastic
Electric
Diaphragm
Electronic Type
EPDM
Wearable
Materials Can Be Replaced Based on Medium
DC Motor or BLDC Motor, Optional
Energy Soure in Liquid Application
Keyto
Blister+Foam
30*78*58
China
8413503190
Product Description
1. Production overview
7121 Series micro diaphragm pump is a new module that independently developed by
Keyto. Its main function is diaphragm reciprocating by motor works. This series is wide used
in medical instruments, environmental protection equipment, meters, chemistry machinery,
household electrical, laboratory instruments and other advanced area.
1.1 Characteristics of 7121- series diaphragm pump:
The principal of diaphragm pump is the elastic diaphragm reciprocating by centrifugal
wheel
rotating, to change the volume of chamber. And we designed single direction poppets at input
and output port, to achieve medium aspiration and dispensing.
Characteristics:
1) Offer pure liquid transport and gas aspirate environment.
2) Oilless, maintenance free, long lifetime;
3) Small vibration, low noise;
4) Good sealing, corrosion resistance;
5) Easy to assemble.
3.1 Brushless diaphragm pump parameter:
Type 7121-31-ELN 7121-32-ELN 7121-61-ELN 7121-62-ELN
Rated Power
Consumption/W 7W 7W 7W 7W
Rated voltage/DC 12V 24V 12V 24V
Flow ≥0.30L/min ≥0.30L/min ≥0.60L/min ≥0.60L/min
Max aspirating height ≥0.2Mpa ≥0.2Mpa ≥0.2Mpa ≥0.2Mpa
Max drainage height
(liquid) ≤-80Kpa ≤-80Kpa ≤-80Kpa ≤-80Kpa
Operating
temperature 0-40ºC 0-40ºC 0-40ºC 0-40ºC
Rated current /A 0.5 0.25 0.5 0.25
Safety protection
current /A 2.0 1.2 2.0 1.2
Type 7121-31-ELM 7121-32-ELM 7121-61-ELM 7121-62-ELM
Rated Power
Consumption/W 7W 7W 7W 7W
Rated voltage/DC 12V 24V 12V 24V
Flow (full speed) ≥0.30L/min ≥0.30L/min ≥0.60L/min ≥0.60L/min
Max aspirating height ≥0.2Mpa ≥0.2Mpa ≥0.2Mpa ≥0.2Mpa
Max drainage height
(liquid) ≤-80Kpa ≤-80Kpa ≤-80Kpa ≤-80Kpa
Operating
temperature 0-40ºC 0-40ºC 0-40ºC 0-40ºC
Rated current /A 0.5 0.25 0.5 0.25
Safety protection
current /A 2.0 1.2 2.0 1.2
Connection port 4mm inner diameter soft tube
Lifetime >10000h
Medium Water, weak acid and base, etc.
Body material PP(Materials can be replaced base on medium)
Diaphragm material EPDM(Materials can be replaced base on medium)
Note: The suction negative pressure standard: the value is larger than standard value.
(e.g.: -80Kpa).




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