Model designation and documentation

Technical documents for further information:

DB-260: Operating instructions Direct expansion evaporators (SQD)
DP-276: Brochure Dry-expansion evaporators (SQD)
AT-660: Application of R290 and R1270, A3 refrigerants

The name plate will only contain the following elements.

Example: SQD3011210PS-LT-CE

The 3D model will usually contain the whole designation as follows.

Example: SQD3011210PS-09R-6038-LT-FLW-IS-HC-CE

Nomenclature as follows:

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Series code

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Nominal shell tube size from 15 to 50
(15 = 150 mm, 50 = 500 mm)

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Nominal shell tube length from 06 to 13
(06 = 1843 mm, 13 = 3943 mm)

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Number of independent refrigerating circuits:
1, 2 or 3

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Model identification number

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Refrigerant variant:
no letter = for HFC and HFO refrigerants
P = for hydrocarbon refrigerants

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Variant code:
no letter = standard
S = customised version

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Baffle number from 03 to 15

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Orientation of the water connections:
T = top
R = right
L = left

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Identification of refrigerant distributor from 6033 to 6048

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Design temperature:
no letter = standard
LT = for low temperature (-40°C)

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Water connections:
no letter = standard flexible coupling
FLW = welded flanges
FL = flange adapter

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Thermal insulation:
no letter = without thermal insulation
IS = thermal insulation 19 mm

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Heating system (available only with thermal insulation IS):
no letter = without heating system
HC = heating cartridge

SQD 30 11 2 10 P S - 09 R - 6038 - LT - FLW - IS - HC - CE

Approval:
CE = EU Pressure Equipment Directive 2014/68/EU

Available on request:
SELO/CML = China Manufacturing License
NR13 = Brasilian Standard
AS 1210 = Australian Standard Pressure Vessels