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BOXER-251_PP
BOXER-251-PVDF
BOXER-251-ALU
AIR-OPERATED DOUBLE DIAPHRAGM PUMPS

Boxer 251

  • Maximum flow rate: 340 l/min
  • Suction / delivery connections: G 1″1/2 f o DN 40
ATEX ZONE 2 - STANDARD ON ALL MODELS

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

ATEX ZONE 1 - AVAILABLE ON REQUEST

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

APPLICATIONS

Application sectors

Biodiesel
PRODUCTION AND STORAGE OF BIODIESEL
INDUSTRIA CERAMICA, PIETRE, MARMI, VETRO E MINERARIA
CERAMIC, STONE, MARBLE, GLASS AND MINING INDUSTRY
INDUSTRIA CHIMICA
CHEMICAL INDUSTRY
INDUSTRIA GRAFICA
GRAPHIC INDUSTRY
PACKAGING, COLLA, CARTA E CARTIERE
PACKING, GLUE, PAPER AND PAPER MILLS
INDUSTRIA GALVANICA E ELETTRONICA
GALVANIC AND ELECTRONIC INDUSTRY
Automotive
AUTOMOTIVE
Industria Meccanica
MECHANICAL AND METALLURGIC INDUSTRY
Industria delle Vernici
PAINT INDUSTRY
Oil & Gas
OIL & GAS
Industria Tessile e conciaria
TEXTILE AND LEATHER INDUSTRY
DATA

Performance

Prestazioni-Boxer251

* The performance values refer to primed pumps (with water at 20°C) with open outlet and vary based on the construction materials

** Attention: average values of the different materials configurations for ball and ball seat.

DATA

Technical Specifications

Head / Flow rate guaranteed in compliance with ISO 9906
Suction/delivery connections G 1 1/2″ f o DN 40
Air fitting G 1/2″ f
Max flow rate * 340 l/min
Max supply air pressure 8 bar
Max head * 80 m
Max negative suction head – dry-running ** 4 m
Max negative suction head – pump primed 9,5 m
Diameter Max suspended solids 6 mm
Noise level ** 80 dB
Volume per stroke 552 cc
Available in the following materials

PP PVDF ALU

Construction materials (casing and manifolds) and net weight
Version Weight Min Max
PP (with glass additive) 17,5 kg 3° C 65° C
PP conductive (with carbon additive) 20 kg 3° C 65° C
PVDF (with carbon additive) 20 kg 3° C 95° C
ALU 19 kg 3° C 95° C
Maximum dimensions Plastic Aluminium
Height 492 mm 491 mm
Width 493 mm 490 mm
Depth 254 mm 254 mm
DATA

Connections

Attacchi-Boxer251
BOXER 251 (PLASTIC)

A1 – A2 – A3 – A4 – A5 – A6 – M1 – M2 – M3 – M4 – M5 – M6

BOXER 251 (ALUMINIUM)

A1 – A2 – A3 – A4 – M1 – M2 – M3 – M4

STANDARD CONNECTIONS
M1 – A1

SUCTION
A1 – A2 – A3 – A4 – A5 – A6

DELIVERY
M1 – M2 – M3 – M4 – M5 – M6

MULTIMEDIA

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