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CDLF Series Multistage Pump (Explosion Proof)

cdlf

Multistage vertical stainless steel pumps of the CDLF series in explosion-proof design Ex.

Designed for use in categorized rooms where there is a danger of explosion or fire and installation of equipment with motors in general industrial design is prohibited.

Explosion-proof equipment is always marked. Marking example: 1ExdellCT4

Description of marking:
1 - explosion protection level: explosion-proof equipment, in which explosion protection is ensured both during normal operation and under recognized probable damage, other than damage to explosion protection.
Ex is a sign indicating compliance equipment to the requirements of GOST 12.2.020.
d - type of protection "d" - flameproof enclosure according to GOST 22782.6.
e - type of explosion protection "e" according to GOST 22782.7.
IС - subgroup sign electrical equipment corresponding to the category of explosive mixtures for which the equipment is explosion-proof.

The flow part of the pumps of this series is made of steel grades AISI 304, AISI 316L (acid-resistant stainless steel).

The use of these steel grades allows the use of such pumps for pumping liquids containing acids and alkalis, washing solutions, hot and cold water, luther, phlegm, shoulder straps, alcohol, solvent, epurates, sivukha, as well as many other liquids.

The working cavity of the pump is sealed due to the use of a special cartridge, chemically resistant seals. The pump is driven through a coupling connecting the shaft and the electric motor. Using the coupling simplifies assembly and disassembly of the pump for maintenance. Vertical pump design prevents the motor from flooding when the mechanical seal is leaking, and the linear arrangement of the suction and pressure connection simplifies the installation and connection process.

    Explosion-proof pumps are most in demand in such industries as:
  • alcohol and bioethanol production
  • chemical industry
  • oil and gas industry
  • fire extinguishing systems

Performance

Multistage pumps

Applications:


  • Water supply: water filtration and its supply through water supply networks, pressure increase in plumbing and in multi-storey buildings.
  • In industry: process water, flushing system, flushing system under pressure, fire extinguishing system.
  • Industrial water supply: cooling and air conditioning system, water supply to boiler, condensation system, production plants, work with acids and alkalis.
  • Water treatment: ultrafiltration system, reverse osmosis system, distillation system, separation, use in pools.
  • Irrigation: agricultural land irrigation, spray irrigation, drip irrigation irrigation, etc.

Capacity diagrams for CDLF pumps

Діаграма продуктивності насосів підвищення тиску серії CDLFCDLF 2
Діаграма продуктивності насосів підвищення тиску серії CDLFCDLF 4
Діаграма продуктивності насосів підвищення тиску серії CDLFCDLF 8
Діаграма продуктивності насосів підвищення тиску серії CDLF

Materials

No.
p /p
Name material AISI / ASTM Scheme
one electric motor - Standard /Ex структура насоса підвищення тиску серії CDLF
2 Housing cast iron ASTM25B
3 Mechanical seal stainless steel AISI304 / 316L
four Water outlet impeller stainless steel AISI304 / 316L
five the impeller pumps stainless steel AISI304 / 316L
6 support impeller stainless steel AISI304 /316L
7 Pressurized fluid supply device stainless steel AISI304 / 316L
8 Suction and discharge connection of the pump stainless steel AISI304 / 316L
9 support frame cast iron ASTM25B
ten Sleeve on the shaft durable alloy YG8
eleven Working wheel stainless steel AISI304 / 316L
12 Shaft stainless steel AISI316
thirteen Disconnecting Impeller Coupling stainless steel AISI304 / 316L
14 Pump casing stainless steel AISI304 / 316L
15 Clutch carbon steel -
16 seals FPM / VITON -

CDLF Pump Specifications

Model 50Hz CDLF 2 50Hz CDLF four 50Hz CDLF 8 50 Hz CDLF 16
Nominal capacity (m³ /year) 2 four 8 16
capacity range (m³ /year) 1-3.5 1.5-8 6-12 8-22
rotation speed (r /hv) 2900 2900 2900 2900
engine power (kW) 0.37-3 0.37-4 0.75-7.5 2.5-15
Head (m) 15-195 16-176 12-196 22-189
temperature range (° С) -15 ° C
+ 120 ° FROM
-15 ° C
+ 120 ° FROM
-15 ° C
+ 120 ° FROM
-15 ° C
+ 120 ° FROM
Maximum efficiency (%) 46 59 64 71
Maximum pressure (bar) 23 22 22 22
outside temperature up to + 40 ° C up to + 40 ° C up to + 40 ° C up to + 40 ° C
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