Model PG43SA-S Diaphragm Pressure Gauge Flush

Brand: WIKA Instruments Ltd.

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The model PG43SA pressure gauge has been specifically designed for the requirements of sanitary applications.

Features

Safety via mechanical pressure transmission.
Case and wetted parts in hygienic design.
Suitable for CIP and SIP, optionally completely autoclavable.
Simple zero adjustment.
High overpressure safety.

Images are representations only.

Description

The model PG43SA pressure gauge has been specifically designed for the requirements of sanitary applications.

Features

Safety via mechanical pressure transmission.
Case and wetted parts in hygienic design.
Suitable for CIP and SIP, optionally completely autoclavable.
Simple zero adjustment.
High overpressure safety.

Specifications

Brand

WIKA Instruments Ltd.

Version

EN 837-3

Nominal Size in mm

Accuracy Class

1.6
Option: Dual scale
The given scale ranges are also available in kPa and MPa.

Pressure Limitation

Steady: Full scale value
Fluctuating: Scale range <4 bar: Full scale value, Scale range ≥4 bar: 2/3 x full scale value

Overpressure Safety

2x Full Scale Value, max. 40 bar or max. pressure rating (PN) of the process connection
Option: 5x Full Scale Value, max. 40 bar or max. pressure rating (PN) of the process connection

Permissible Temperature

Medium: -20 … +150° C
CIP and SIP: 150° C continuously for wetted parts
Option: Autoclavable, max. 134° C, ≤ 20 minutes
Ambient: -20 … +60° C

Temperature effect

When the temperature of the measuring system deviates from the reference temperature (+20° C): max. ±0.5 % / 10 K of Full Scale Value

Ingress Protection per EN/lEC 60529

IP54

Process Connection

SMS threaded connection
others on request
For exact designs and nominal widths see tables from page 4
NEUMO BioControl®
VARIVENT®
Milk thread fitting per DIN 11851
Aseptic connection per DIN 11864-1 /-2 /-3
Stainless steel 1.4435 (316L), UNS S31603, lower mount
Clamp connection per DIN 32676 / ISO 2852

Pressure Element

Diaphragm element, welded to the process connection
NiCr alloy 2.4668 (Inconel® 718), UNS N07718

Surface roughness of Wetted Parts

Ra ≤ 0.76 μm (30 μin) per ASME BPE SF3
Option: Ra ≤ 0.38 μm (15 μin)
weld seam: Ra ≤ 0.76 μm (30 μin)
Option: Electropolished, Ra ≤ 0.38 μm (15 μin) per ASME BPE SF4, weld seam: Ra ≤ 0.76 μm (30 μin)

Level of Cleanliness of Wetted Parts

ASTM G93 level C / ISO 15001 (residual content of non-volatile hydrocarbons ≤ 66 mg/m²)

Movement

Stainless steel

Dial

Aluminium, white, black lettering

Pointer

Aluminium, black

Case

Stainless steel 1.4301 (304), electropolished
Surface roughness: Ra ≤ 0.76 μm (30 μin), (except for weld seam)

Window

Polycarbonate (polysulfone for autoclavable versions)

Ring

Crimp ring, stainless steel 1.4301 (304)

Applications

Typical Applications

Hygienic pressure measurement in sanitary applications for the pharmaceutical, biotechnology, food and beverage industries
Mechanical pressure display on pipelines, fermenters, bioreactors and vessels
Pressure/vacuum monitoring during cleaning, sterilisation, pressure testing
For gases, compressed air, vapour; liquid, pasty, powdery and crystallising media