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Direct Operated
Dival SQD
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Information
Dival Sqd
Overview

The Dival SQD1 by Pietro Fiorentini is a lever-operated gas pressure regulator controlled by a diaphragm and contrasting regulated spring action. Mainly used for medium and low pressure natural gas distribution networks, as well as commercial and industrial applications. It should to be used with previously filtered non-corrosive gases. According to the European Standard EN 334, it is classified as Fail Open.

The Dival SQD1 are Hydrogen Ready for NG-H2 blending.

Technical Table
Documentation
Features


Design pressure (PS1 / DP2):

Ambient temperature (TS1):

Inlet gas temperature:

Inlet pressure (MAOP / pumax1):

Range of downstream pressure (Wd1):

Available accessories:

Minimum operating differential pressure (Δpmin1):

Accuracy class (AC1):

Lock-up pressure class (SG1):

Nominal size (DN1,2):

Connections:
Values


up to 0.6 MPa up to 6 barg

from -20 °C to +60 °C from -4 °F to +140 °F

from -20 °C to +60 °C from -4 °F to +140 °F

from (Pd + 0.01) MPa to 0.6 MPa from (Pd + 0.1) bar to 6 barg

from 1.3 to 30 kPa from 13 to 300 mbar

LA slam shut, relief valve

0.01 MPa 0.1 barg

up to 10

up to 20 (depending on version and set point)

in and out DN 40 | 1”1/2

Flanged: Class 150 RF according to ASME B16.5 and ASME B16.42 PN16/25 according to ISO 7005-1 and ISO 7005-2
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