Model designation and documentation

Technical documents for further information:

DP-270: Brochure Water cooled condensers (CRF, CRM)
AT-640: Use of ammonia (R717) in Bitzer compressors
AT-660: Application of R290 and R1270, A3 refrigerants

The name plate will only contain the following elements.

Example: CRM212S-6HPR-2P-CE

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

Example: CRM212S-6HPR-2P-SGR-70/30-FLW-STW-CE

Nomenclature as follows:

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Series code marine

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Nominal shell tube diameter from 16 to 61
(16 =168 mm, 61 = 610 mm)

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Model identification number

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Variant code:
no letter = standard
S = customised version

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Nominal tube length from 5 to 13
(05 = 1524, 7 = 2134 mm)

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Design pressure:
no letter = standard
HPR = for high pressure shell (48 bar on shell side - 10 bar on tubes side)
HP = for high pressure (48 bar on shell side - 16 bar on tubes side)
HPW = for high pressure tubes (30 bar on shell side - 16 bar on tubes side)

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Number of water side passes:
2P = 2 passes
4P = 4 passes

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Sight glass:
SGR = right (standard)
SGL = left

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Variant of tube material:
no letter = standard (CuNi 90/10)
70/30 = copper-nickel 70/30

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Water connections:
no letter = standard
FJ = flexible coupling
FLW = welded flanges

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

Supports:
no letter = without supports
STW = welded supports
STK = loose supports

CRM 21 2 S - 6 HPR - 2P - SGR - 70/30 - FLW - STW - CE

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

Available on request:
DNV = Det Norske Veritas
LR = Lloyd's Register
BV = Bureau Veritas
RINA = Registro Italiano Navale
ABS = American Bureau Shipping
SELO/CML = China Manufacturing License
NR13 = Brasilian Standard
ABS = American Bureau Shipping
AS 1210 = Australian Standard Pressure Vessels