The AF9a‑b Series explosion‑proof peristaltic pump is built for demanding industrial environments, delivering reliable fluid transfer with elevated safety and performance. Its fully integrated explosion‑proof structure, dust‑ignition protection, and IP66‑rated enclosure make it suitable for complex conditions across chemical, pharmaceutical, flammable, and dust‑laden applications. This series is a dependable choice for biopharmaceutical, chemical, and industrial fluid‑handling processes where safety, accuracy, and durability are essential. Designed for flexibility, the pump supports cascading up to 10 pump heads and operates across a wide 100–240 VAC voltage range, eliminating the need for high‑voltage infrastructure.

Key Features

Explosion‑Proof Certification: Ex d IIB T4 Gb for safe operation in volatile gas environments.
High Flow Capacity: Delivers up to 33 L/min with compatible pump heads (YT15/25‑E, YZ35‑E, KL40, PL48‑E).
5‑Inch LCD Display: Wide viewing angle with clear, intuitive visibility.
Efficient Parameter Setup: Simplified configuration and more precise displacement adjustment.
Three‑Level Permission Management: Ideal for pharmaceutical and regulated industrial settings.
Versatile Control Modes: Keypad, external control, and RS485 Modbus RTU (via external frequency converter).
Precision Speed Control: 0.1–600 rpm with 0.01 Hz resolution for fine‑tuned performance.
Rugged Environmental Protection: IP66 housing resists dust and water ingress in harsh conditions.
Compact Design: 318 × 258 × 288 mm; weight 28 kg.

Typical Applications

Biopharmaceuticals: Accurate and sterile fluid transfer for research and production.
Environmental Monitoring: Suitable for water quality and chemical analysis workflows.
Food & Beverage: Ensures consistent, hygienic liquid handling in processing operations.

Flow rate range	0.006-33000mL/min
Motor speed range	0.1-600rpm
Speed resolution	0.1 rpm
Speed accuracy	＜±0.2%
Display	5-inch color LCD screen
Operation	Explosion proof button with 8 keys
Working mode	Flow mode, volume dispensing mode, time dispensing mode, external control mode, programming mode
Delay start time	1s-999 Hours
Scheduled working time	1s-999 Hours
Working time	0.01-99.99S/M/H
Dispensing volume	0.001-9999L
Dispensing time	0-999, 0 means circle
Dispensing interval time	0.1-999S/M/H
Suction angle	0-720°
External control signal input	(1) Start/Stop: External control input level (5~24V); (2) Forward/Reverse: External control input level (5~24V); (3) Speed Regulation: Analog 0~5V, 0~10V, 4~20mA can be set.
External control signal output	(1) Start/Stop: Level Signal (following input voltage); (2) Forward/Reverse: Level Signal (following input voltage); (3)Analogue output 0~5V
Communication interface	RS485, RS232, Ethernet support Modbus protocol, Profibus extension (optional)
Power supply	AC 100-240V 50Hz-60Hz
Working environment	Temperature 0 ～ 40℃, relative humidity＜80%
Shell material	Aluminum alloy
Power consumption	<400 W
IP grade	IP66
Driver dimension(L×W×H)	318mm×258mm×288mm
Weight	28 Kg

Pump Head and Tubing Selection

Pump Head	Channel	Max. Speed (RPM)	Tubing	Flow Rate (mL/min) **
YT15-E	1	600	13#14#19#16#25#17#18#	0.006-2,700
YT25-E	1	600	15#24#35#36#	0.17-3,000
YZ35-E	1	360	73#82#	1.3-13,000
KL40	1	600	186#187#	7.8-20,000
PL48-E	1	600	193#88#191#92#	2.2-33,000

** The flow parameters above were measured using silicone tubing with DI water at standard temperature and pressure. Actual performance will vary depending on factors such as pressure, fluid properties, and operating conditions. The values provided are for reference only.