PNEUMATIC PUMPS FOR CORROSIVE LIQUIDS

BX502 – METAL DIAPHRAGM PUMPS

BX502 metal air-powered double diaphragm chemical pumps

Performance-curves-–-BX502-Savino-Barbera-AODD-chemical-pumps

	BX502
Pump casing material	ALUMINIUM, AISI 316 L
Diaphragms material	PTFE (fluid side), NBR-EPDM-Hytrel-Santoprene (air side)
Balls material	PTFE, AISI 316, EPDM, NBR
Max flow	600 l/min
Max head	80 m w.c.
Max negative suction head	4 meters
Max negative suction head meters	9.5 meters
Suction and delivery connections	G 2 f o DN 50
Air connections	G 1/2 f
Air pressure	8 bar max
Max diameter of suspended solids	8 mm
Max liquid viscosity	45.000 - 50.000 cps
Net weight	37 kg (ALU), 54 kg (AISI 316)
Noise level	dB (A) 80
Max temperature	95°C
Atex certification	II 3/3G D IIB T 135°C (Zone 2) II 2/2GD c IIB T 135°C (Zone 1)

BX performances refer to tests with cold, clean water with a density of 1000 kg/m³ (ISO9906) and to pumps with immersed suction and free delivery outlet.

OVERALL DIMENSIONS

BX502 pneumatic pumps are characterised by their extremely small size. Their compact dimensions make them particularly suitable for installation in industrial equipment where it is necessary to handle small quantities of fluid in confined spaces. The square shape of these double diaphragm pumps is perfect for use in awkward environments, unusual positions or places that are hard to access, such as installations in batteries, installations in centralised distribution cabinets, bench-top or ceiling-mounted installations (situations that are very common in the chemical sector, in the handling of inks and paints, in printing machines and in oil circuits). BX AODD pumps also have the possibility of having split manifolds (two suctions and two deliveries).

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PUMP BROCHURE

BX502 PUMP FEATURES

FLOW-RATE VS VISCOSITY

REGULATION AIR KIT

INSTALLATION SCHEMES

INSTRUCTION MANUAL

ATEX PUMPS FOR EXPLOSIVE AREAS

BX502 AISI air-operated chemical AODD pumps Atex rated

BX502 aluminium air-operated chemical AODD pumps Atex rated

BX502 pneumatic pumps hold Atex Approval for use in environments where there is a risk of explosion. The pumps are manufactured to be explosion-proof in compliance with Directive 2014/34/EU according to the harmonised European standards EN-60079-10 and EN 1127-1. It should be remembered that, first and foremost, the user of the equipment is responsible for classifying its area of use, while the manufacturer is responsible for identifying the certification class of the pump manufactured and applying the relevant ATEX marking. To meet all the requirements of the various Zones, BX502 double diaphragm pumps are available in two different versions:

ATEX ZONE 1 – VERSION BY REQUEST	ATEX ZONE 2 – STANDARD VERSION
BX series double diaphragm pumps are available, by request, in a special conductive version for use in “Zone 1 – Zone 21”. ATEX marking available: II 2G Ex h IIb T4 Gb II 2D Ex h IIIB T135°C Db X	All standard versions of BX series diaphragm pumps are suitable for use in “Zone 2 – Zone 22” (presence of gas and flammable powders). ATEX marking available: II 3G Ex h IIB T4 Gc II 3D Ex h IIIB T135°C Dc X

ATEX ZONE 1 – VERSION BY REQUEST

ATEX ZONE 2 – STANDARD VERSION

BX series double diaphragm pumps are available, by request, in a special conductive version for use in “Zone 1 – Zone 21”. ATEX marking available:

II 2G Ex h IIb T4 Gb
II 2D Ex h IIIB T135°C Db X

All standard versions of BX series diaphragm pumps are suitable for use in “Zone 2 – Zone 22” (presence of gas and flammable powders). ATEX marking available:

II 3G Ex h IIB T4 Gc
II 3D Ex h IIIB T135°C Dc X

Air-driven double diaphragm pumps with no electrical components

VERSATILE CHEMICAL PUMPS

The construction principle of Savino Barbera double diaphragm pumps allows the problem-free pumping of dense, flammable or viscous liquids. Regardless of the liquid handled, BX aodd pumps always have an adjustable flow rate and head. They can run dry and can be installed in potentially explosive areas (requiring Atex Certification) or in particularly humid environments. Their internal exchanger (the device that introduces compressed air into the pump) is already lubricated: the air supply does not need to be lubricated and must, on the contrary, be dried and free of impurities (such as oil, dust and condensation).

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AODD pump OPTIONAL FEATURES

How air-powered double diaphragm (AODD) pumps work

Our range of double diaphragm pumps includes numerous optional features and accessories:

Air regulation kit (filter, reducer, bracket, pressure gauge, hose, tap and fittings).
Shock absorber (to minimise flow pulsation).
Split manifolds (two suctions and two deliveries).
Assembly in three different positions for both delivery and suction.
Trolleys for portable versions (on which the diaphragm pumps can be mounted).
Flanged connections in PP, PVDF, ALU, AISI 316 (DN15 → DN80).