Hamall
PROCESS INSTRUMENTS
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HNL INSTRUMENTS & CONTROLS
Series 300 Process Options

Detailed below are the Series 300 Pressure and Differential Pressure (DP) process options available.
Series 300 pressure switches may be used for monitoring the pressure of inert processes such as air or nitrogen, or aggressive processes such as ammonia or nitric acid. Both the Diaphragm and the Pressure (or DP) Chamber(s) of the switch are in contact with the process so clearly the materials of both must be chosen to be compatible with the process.
If assistance is required in determining the suitability of a diaphragm or chamber material with your process please contact HAMALL Technical Sales. Additional non-standard options are also available.

Range Code

3 # # # # # # # # # # # #

Enclosure Code

# # # #

 

Output Switch Code

# #

 

Process Options

Nitrile 1

 

PTFE 2

 

Hastelloy C 7

 

Chamber Material

Anodised Aluminium 1

 

316 Stainless Steel 5

 

Hastelloy C 7

 

Connection

1/4" BSP.T (Rc 1/4)

0 1
1/4" NPT INT 0 3
1/2" NPT INT. via adaptor 0 6
1/2" NPT male - via adaptor 0 8

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HAMALL PROCESS INSTRUMENTS, DEVONPARK MILLS, ALEXANDRA STREET, TILLICOULTRY, CLACKMANNANSHIRE, SCOTLAND, UK. FK13 6HP
TEL NO : 44 (0)1259 753753 FAX NO : 44 (0)1259 752770
Mail to sales sales@hamall.co.uk