隔膜泵

Diaphragm Pumps

Double-Diaphragm Liquid Transfer Pump 双隔膜液体输送泵

Photo for reference; configuration may vary by order.

Model No. DIP-0003 · Laboratory Pumps

Double-Diaphragm Liquid Transfer Pump

双隔膜液体输送泵

Moving solvents, slurries and waste liquids between vessels calls for a pump that tolerates particles and dry running. This double-diaphragm unit delivers 1–50 L/min at 2–8 bar, passes particles up to 3 mm, and lifts about 5 m. Bodies come in PP, PVDF, PTFE or stainless, driven electrically or by compressed air.

Flow rate: 1–50 L/min
Discharge pressure: 2–8 bar
Suction lift: Up to about 5 m water
Body material: Polypropylene, PVDF, PTFE or stainless steel
Diaphragm material: PTFE, EPDM or Viton

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Packing & Shipping

Place of origin	China (dispatched from Shanghai)
Brand	Liquid International / OEM on request
Export packing	Fumigation-free plywood case or reinforced carton
Loading port	Shanghai / Ningbo (others on request)
Payment terms	T/T, L/C at sight (confirmed on quotation)
Trade terms	EXW, FOB, CFR, CIF, DAP

Typical export terms — final terms are confirmed on the proforma invoice.

Product Description 产品描述

Highlights

Passes particles up to 3 mm
Dry running allowed
Electric or compressed-air drive
PP, PVDF, PTFE or stainless body

Applications

Reagent and solvent transfer
Filtration feed
Slurry and suspension dosing
Sample circulation
Waste liquid transfer

Specifications 技术参数

Parameter	Value
Flow rate 流量	1–50 L/min
Discharge pressure 排出压力	2–8 bar
Suction lift 吸程	Up to about 5 m water
Body material 泵体材料	Polypropylene, PVDF, PTFE or stainless steel
Diaphragm material 隔膜材料	PTFE, EPDM or Viton
Max particle size 最大颗粒尺寸	Up to 3 mm
Drive 驱动	Electric motor or compressed air
Dry run 干转	Allowed
Connections 连接	Threaded or tri-clamp
Air supply (air models) 供气（气动型号）	4–7 bar
Model No.	DIP-0003
Place of origin	China (dispatched from Shanghai)

Applicable standards 适用标准

IEC 61010-1 IEC 61326-1 ISO 21360 ISO 9001 GB 4793.1

Chinese national standards (GB/T, JJG) and international standards referenced for this product type. Test reports and certificates are supplied with the quotation on request.