Volute pumps for heat carrier oils up to 350 °C SIHISuperNova ZTN 032-125 . . . 200-5000 pages

Volute pumps
for heat carrier oils up to 350 °C
SIHISuperNova
ZTN 032-125 . . . 200-500
133.65660.54.01 E PUMP TECHNOLOGY ZTN P I/44
12/2003
TECHNICAL DATA
Output: max. 1000 m³/h
Delivery head: max. 95 m
Speed: max. 3600 rpm
Temperature: max. 350 °C
Casing pressure: PN 16
Shaft sealing: radial seal rings or
mechanical seal
Flange connection: DIN EN 1092-2 PN 16 / 25 1)
Direction of rotation: clockwise, when looking at
the pump from the drive end
APPLICATION
Volute pumps of the series ZTN have been specially developed for
handling of mineral and synthetic heat transfer oils. The pumps
may be used in installations with positive or negative suction
pressure.
Especially to be emphasised is the application in plants of:
The chemical industry:
heating of agitators, reactors, drying plants, polymerisation
plants, plants for conveying high-viscous products and
producing plastic materials and synthetic fibres.
The rubber and plastic industry:
heating of calendars, melting pots, power presses for
plastics, automatic injection moulding machines, production
of PVC adhesive tape.
The food industry:
heating of baking and fish-frying ovens, distillation of fatty
acids and glycerine, fat softening plants, production of potato
chips and milk powder.
The paper industry and laundries:
calendar rolls, production of corrugated cardboard, heating
of washing machines, mangles and dryers.
DESIGN
Horizontal, single-stage volute pumps with the dimensions and
nominal ratings to 24255/EN 733 in back pull out design* which
permits the removal of the complete bearing unit toward the drive
end without removing the pump casing from the pipe work. If a
spacer coupling is installed it is also unnecessary to disconnect the
motor.
The programme comprises 38 pump sizes, but only three shaft
assemblies are required owing to the unit construction system.
Within each shaft assembly, shafts, shaft sealing, impeller
fastenings, bearing bracket and bearing covers are interchangeable.
The DIN 4754 regulations are complied with.
Should heat carrier seepage occur from the shaft seal, it is
ensured that the leakage will be drained off and collected
completely.
1) from size 150315 to 200500
* due to additional sizes the performance range is increased to
higher output rates.
CONSTRUCTION
Casing pressure:
Maximal 16 bar from 0 °C to 120 °C
Maximal 13 bar from 120 °C to 300 °C
Maximal 10 bar from 300 °C to 350 °C
Intermediate values can be obtained by interpolation.
Please note:
Technical rules and safety regulations.
Max. Casing pressure = inlet pressure + zero head
Admissible inlet pressure (system pressure) = 5 bar when
using shaft sealing 002.
Admissible inlet pressure = admissible casing pressure when
using shaft sealing GBC.
Flanges location:
Axial suction flange, discharge flange radially upwards.
Flanges:
The flanges comply with DIN EN1092-2/PN 16, resp. PN 25.
Flanges drilled to according to ANSI (previous ASA) 150 can
be supplied.
Hydraulic:
Designation of this construction type: A, B, D
Bearing:
One grease-lubricated grooved ball bearing resp. 2 inclined
ball bearings (the first grease filling is made in the factory) and
one internal liquid flushed sleeve bearing.
Designation of this construction type: .A
Direction of rotation:
Clockwise, when looking at the pump from the drive end.
Shaft sealing:
Code 002: several radial shaft seal rings arranged in
in series; uncooled
Code GBC: unbalanced bellows mechanical seal
seal face materials cast chromium steel/carbon
elastomer FPM (Viton)