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Pressurized oil products loading, unloading and transfer systems

Swiss engineering company ENCE GmbH («ЭНЦЕ ГмбХ») together with its close-knit team consisting of technical and commercial specialists of service facilities and affiliated companies in different CIS countries — ООО «ИНТЕХ ГмбХ» (LLC INTECH GmbH) Moscow, Russia, ООО «ЭНЦЕ инжиниринг» (ENCE engineering) Moscow, Russia, ТОО «ИНТЕХ СА» (LLC INTECH SA) Almaty, Kazakhstan, ООО «ИНТЕХ СА» (LLC INTECH SA) Kiev, Ukraine, is willing to carry out the following complex projects on the turnkey basis.

Description

Engineering company ENCE GmbH («ЭНЦЕ ГмбХ») shall complete and supply various systems for safe and leak proof oil product loading, unloading and transfer, such as:

  • Top loading stations
  • Marine loading arms (DN100 - DN400 up to PN 40)
  • Floating pump nozzles
  • Bottom loading stations
  • Liquefied gas unloading and loading systems
  • Leak proof tank car loading systems
  • Leak proof chemicals loading systems
  • Single-point loading units

Engineering company ENCE GmbH brings to your attention a full range of the equipment for liquid products transfer.

Apart from being efficient, the offered equipment proves to be extremely reliable and safe, it can operate both in Arctic winter and in sandy storm or tropical monsoon rain. Ranging from elementary units to complex solutions involving automatic emergency release system, vapor removal and high-quality monitoring system, our loading/unloading arms ensure high efficiency, safety, non-failure operation, the highest quality and reliability. We select solutions dependent on the properties of transferred product, and completely in accordance with the Customer’s specified requirements.

European production, researches and development, certified quality assurance system, on-call service and erection crew available at any time, spare parts service throughout all the CIS countries, branching network of representative offices, service centers and subsidiaries, secure the first class service to our Customers exactly when it is needed.

For purchasing please contact our technical department and send your inquiries to the following e-mail address: info@ence.ch.

Marine loading arms
General description

Application: oil and gas products loading/unloading by river transport.

Technical characteristics:

  • from DN 100 up to DN 250
  • from PN 10 up to PN 40

Design/Materials:

  • Carbon steel
  • Low - temperature steels
  • Alloy steels

Transferred liquids permissible temperature range: -50 до +200°C

Sizes and technical characteristics:

Design

  • Fully balanced with independent primary and secondary arms counterweights
  • Self-supporting structure
  • Easy control due to low weight
  • Welded/flanged swivels
  • for all products loading/unloading, such as oil products, chemical fluids, liquefied gas
  • Gland seals in Perbunan, Viton, PTFE or specific materials

Accessories

  • range warning system
  • drain connections
  • Insulating flange
  • Manual quick couplers
  • Wash line
  • Nitrogen purge line
  • Vacuum breaker
Marine loading arm, type St-1

Application: marine tanker ships loading/unloading.

Technical characteristics:

  • Size from DN 100 up to DN 400
  • Pressure range from 10 bar to 40 bar
  • Carbon, low-temperature, alloy steel
  • T from -50 to +200°C
  • Customized solutions offered upon request
Marine loading arm, type St-2

Application: loading/unloading of marine tanker ships with deadweight up to 250.000 tons in areas with large tidal range.

Technical characteristics:

  • DN from 200 to DN 400
  • Pressure stages from 10 bar to 40 bar carbon, low-temperature, alloy steel
  • T from -50 to +200°C
Marine loading arm, type St-3

Application: loading/unloading of cryogenic products down to -104°C, when the product pipe is designed for internal pigging, made from specific materials or with internal lining.

Technical characteristics:

  • DN from 100 to DN 400
  • Pressure range from 10 bar to 40 bar
  • Carbon, low-temperature, alloy steel and other
  • T from -104 to +200°C
Floating suctions
Description

Application: used for liquids withdrawal from tanks.

Size range: from DN 50 to DN 500

Seal material: PTFE VITON

Material:

  • Aluminum
  • Stainless steel
  • Carbon steel
Swivels
Description

Application: Rigid pipelines can be rendered movable where the use of a hose is unacceptable.

The pipelines gain the advantage of 360° rotation when swivel joints are used.

Optional design:

  • Light alloyed swivels for medium duty
    Basic application: loading stands for road and rail tankers and floating suctions.
  • High-tensile swivels for heavy duty
    Basic application: all types of flexible pipelines
  • Pressurized swivels for heavy duty
    Basic application: all kinds of flexible pipelines, in which products can damage swivel mechanism
  • Swivels for heavy duty with heating
    Basic application: transfer of liquid products losing fluidity at normal ambient conditions

Size and technical characteristics

The swivels offered can be supplied in the baseline configurations shown below (see Picture).

Upper loading station complete with measurement system
Description

Application

  • Oil products and refined oil products
  • Food and pharmaceutical industry
  • Chemical industry
  • Separate loading units
  • Liquid bulk terminal complex
  • Rail and car tankers
  • Liquid and natural gas
Bottom loading station parallel bar
Description

With 6 swivels and gas spring

Product line units material:


Product line units material Carbon or alloy steel, inner coating is possible
Swivel seals material Perbunan, Viton or PTFE
Diameters DN 50, 80, 100
Balancing Spring balancer
Nominal pressure Max 40 bar
T range -45 to +300°C
Packaging
  • Emergency release system
  • Wash line and pressure relief line
  • Flange connection safety device
Bottom loading station
Description

Application: this type of equipment is meant for loading highly volatile products for which it is necessary to ensure vapour return.

The station is used for bottom loading/unloading of tank cars with flange or coupling connection.

The long-range loading device is applicable where the tank car connection flange cannot be accurately positioned.

Dimensions and technical data


Dimensions and technical data
  Dims Balancing method Product feed
Gas line DN50 Spring cylinder Horizontal
Products line DN80
Other dimensions acc. to requirements.

Materials and technical data
Products pipeline units Carbon steel, alloy or low temperature steel
Seals Buna, Viton, or PTFE
Nominal pressure max. 40 bar, dependent on cut-off valve
Execution temperature -45 to +300°C

Auxiliaries:

  • 6th swivel
  • Parallel bar
  • Gas spring-balancer group for «B»-arm
  • Emergency release unit
Liquefied gases loading/unloading arm
Description

Application: top loading or unloading of liquefied hydrocarbon gases.

The arm is connected with the tank through a specially designed for Russian railroads grip. This grip ensures fast and robust connection with angle dispensing valves of the tank.

Technical data


Diameters Materials Seals Temperature zone
DN 100, 80, 50, 40 Steel/alloy steel PTFE
Special materials
-57 to +110°C
Other materials upon request

The offered system is a cost-effective and reliable solution for loading/unloading of liquefied hydrocarbon gases. Unlike dispensing hoses, rigid pipes help avoid breaking, sagging and condensate accumulation in there.

Loading with vapour return hose
Description

Application: loading of hydrocarbons, toxic and aggressive liquids.

This system includes a long reach loading arm and a vapour return hose.

Loading through the vapour return hose makes the loading procedure more cost-effective as there is neither product emissions and nor personal injury nor pollution of environment.

Dimensions and technical data

Standard technical data


DN
Product
line
DN
Vapour
return
Seals Application
area
Design Accessories
50, 80,
100, 150
50, 80,
100, 150
NBR,
EPDM,
PTFE,
Special
materials
  • High or low temperatures
    (as requested)
  • Steam/thermal oil/electrically
    heated product line
  • Suitable for
    inner brushing
  • acc. to WHG
  • acc. to VbF
    (international)
  • sealing
    plate
  • cone
  • telescopic
    drop pipe
Other diameters and materials are available upon request.

Due to small sizes the unit can be used where the rooms are with low roof height.

Parallel loading arm
Description

Application: loading arms with vapour return are used mainly for loading toxic and aggressive fluids, oil products.

The unit is a combination of two devices:

  • Product loading arm
  • Vapour return line

Dimensions and technical data

Standard technical data


DN
product
line
DN
vapour
line
Seals Application
area
Design Accessories
50, 80,
100, 150
50, 50,
80, 100
NBR,
EPDM,
PTFE,
Special
materials
  • High temperature
    design up to +300°C
  • Steam/thermal oil/
    electrically heated
  • Low temperatures
    upon request
  • Suitable for
    inner brushing
  • acc. to WHG
  • acc. to VbF
    (international)
  • sealing
    plate
  • cone
  • telescopic
    drop pipe
Other diameters and materials are available upon request

The design of the vapour return line with swivel joints is easier in operation than that of a vapour return hose.

Bottom hose loading station
Description

Application: simultaneous loading of oil products into several tanks.

Standard Petroleum Product Loading Arms
Description

The package includes:

  • Loading position regulator
  • Parallel bar

Materials of product carrying parts
Upstream shut-off valve carbon steel
Shut-off valve spheroidal graphite iron
Downstream shut-off valve Aluminum
From connecting flange to end pipe swivel joints carbon steel
Drop pipe Aluminum
Swivel joint sealings Viton
PN upstream shut-off valves Max 19 bar
Nominal temperature from -10 to +50°C
Standard Loading Arms For Chemicals and Petroleum Products
Description

Materials of product carrying parts
  Petroleum products Chemicals
From connecting flange to valve steel Carbon or alloyed steel
Shut-off valve spheroidal graphite iron  
From shut-off valve to the end of drop pipe Aluminum  
Swivel joint seals Perbunan, Viton (PTFE is not available) Perbunan, Viton, PTFE
Nominal pressure (upstream shut-off valves) Max 19 bar Max 40 bar

Application: top loading of road or rail tankers through the manhole

Standard Loading Arms for Mineral Oil or Chemical Products
Description

Materials of product carrying parts
  Petroleum products Chemicals
From connecting flange to valve Steel Carbon or alloyed steel
Shut-off valve Spheroidal graphite iron  
From shut-off valve to the end of drop pipe Aluminum  
Swivel joint seals Perbunan, Viton (PTFE is not available) Perbunan, Viton, PTFE
Nominal pressure (upstream shut-off valves) Max 19 bar Max 40 bar

Application: top loading of road or rail tankers through the manhole, primarily designed for the cases when the tanker manholes cannot be accurately positioned.

Standard Chemical Loading Arms
Description

Materials of product carrying parts Accessories Nominals
Device Carbon or alloyed steel
(low-temperature steel is available)
  • parallel guide
  • loading position regulator
Pressure:
max.40 bar upstream
shut-off valves
Swivel
joint
seals
Perbunan, Viton, PTFE Temperature:
from -50 up to max.300°C

Application: top loading of road or rail tankers through the manhole, primarily designed for the cases when the tanker manholes cannot be accurately positioned.

Dimensions and technical data


Materials of product carrying parts Accessories Nominals
Loading
arm
Carbon or alloy steel
(low-temperature steel is possible)
  • emergency release system
  • relief or nitrogen purge line
  • flange connection detector
  • vapor return hose
Pressure:
Max. 40 bar upstream
shut-off valve
Swivel
Joint
seals
Perbunan, Viton, PTFE Temperature:
-50°C to +300°C
Standard Bottom Loading/Unloading Arms
Description

Materials and technical data
Materials of product carrying parts Carbon steel or alloy steel, internal lining is possible
Seals Viton or PTFE
Balancing method Spring counterweight
Nominal Sizes DN 50, 80, 100
Nominal pressure max. 40 bar up to shut off valve
Design temperature -50 to max 300°C
To be equipped with: Relief line or purge line. Flange connection detector

Application: bottom loading/unloading of chemical and oil products from road or rail tankers.

Accessories:

  • Sixth swivel joint
  • Emergency release system
  • Relief and purge line
  • Flange connection safety device
Bottom Loading Station
Description

Application: bottom petroleum product loading to road tankers.

System features:

  • Simultaneous loading of a number of tank inlets
  • Connection flexibility
  • High speed loading
  • API dry-break coupling
  • Long operation life
  • Various materials are available
Loading Arm for Chemically Aggressive Fluids
Description

Technical description
1 Standpost
2 Inlet flange
3 Plummer block
4 Supporting structure
5 «F»-arm
6 Swivel joint
7 «A»-arm
8 Spring cylinder
9 Additional swivel joint for balancing of tanker inclinations «B»-arm
10 Ball valve
11 Connection flange, plastic
12 Material also possible
13 Vapor return hose, in plastic or stainless steel with lining
14 Cone (plastic)
15 Filling pipe (plastic)
16 Overfill safety device
17 Vapor removal

Technical data (standard)
DN Counterweight Design Materials of product carrying components
50
80
100
150
  • spring cylinder
  • balances
  • pneumatics
  • hydraulics
Temperature -50°C bis +150°C Loading arm Carbon steel, alloy steel
Filling pipe – open loading Plastic
Pressure 10 bar Gland seals PTFE
Lining PTFE, PTFE electrically conductive

Application: closed top loading/unloading of highly aggressive acids and alkali of strong concentration into road or rail tankers.

Features:

  • Leak-proof
  • product carrying components are polymer lined

Inlet flange in the upper position is available. Other designs are possible as well. Alternative variations of the loading arm may have protective casing.

Spot Loading System
Description

Application:it is a fully automated system for chemical product spot loading with manhole detection.

Technical description:

The position of the manhole will be detected by sensors, and the drop tube will drive automatically to the manhole. The system is complete with Control system of an overfill safety device. The CPU includes a PLC system.



Accessories:


Technical data (standard)
1 Hydraulic cylinder
2 Drop tube
3 Proximity switch
4 Manhole
5 Proximity switch
6 Hydraulic cylinder
7 Position sensor
8 Hydraulic cylinder
9 Proximity switch
10 Hydraulic motor
11 Control system of Overfill safety
12 device
13 PLC System
14 CCD-Video camera
15 Modular camera detection
16 Proximity switch, Control panel
17 Ultra sonar sensor 2 pcs
18 Emergency manual operation
19 Proximity switch
20 Hydraulic motor
21 Proximity switch
22 Proximity switch
23 Positions sensor
Bottom Loading Arm with Internal Heating Lance
Description

Technical data
Sizes Materials Seals Temperature range
External line DN200, DN175
Internal line DN50, DN40
Steel NBR, FPM, PTFE,
special materials
-50 to +100°C, higher or lower
temperature on request

Application: bottom unloading of high-viscosity petroleum products from rail way tanks..

Bottom Unloading Arms
Description

Technical data
Sizes Materials Seals Temperature range
DN 150 Steel/Aluminium NBR, FPM, PTFE,
special materials
-50 to +50°C higher or lower
temperature on request

Application:bottom unloading of chemical and light petroleum products and railway tanks

Top unloading arm with heating lance for rail cars
Description

Application: top unloading of high-viscosity petroleum products from railway tanks

By unloading through the nozzles at the end of the drop pipe hot product will be sprayed into the vessel. Thereby the frozen product in the vessel will be warmed up and can be sucked off through the product pipe. The drop pipe is turnable so that the whole railway tank can be reached with hot product.

It is possible to fasten a movable holding bar (or a covering plate) for a level controller. The up and down movement of the A-length is provided by a pneumatic or hydraulic cylinder.

Swivel Joints
Description

Application: loading/unloading of petroleum and chemically aggressive products.

Technical data:

  • PN 10 – 40 bar
  • DN from 50 to 500

Materials:

  • Carbon steel
  • Stainless steel
  • Aluminum, special steels

Seal materials: various types of polymer and rubber.

Grounding device
Description

Application: vessel and railway tank earthing prior to fluid loading/unloading

Technical data:

  • Design: explosion-proof Exd [ia] ia II C T6 intrinsic safety electronic board
  • Protection index: IP 67
  • PC programmable
  • Working temperature: from -40 to +60°C
Heating Systems
General description

Application: heating of swivel unloading/loading arms for petroleum products at lower ambient.

Heating cable is attached along tubes and elbows. Swivels are bridged.

Possible Designs:

  • Electric heating
  • Trace heating
  • Steam jacket heating
Electric Heating
Trace Heating Systems

Trace Heating
Diameter Operating pressure Seals Max. product temperature Connecting flange
DN 15 max 20 bar Viton, PTFE 100°C DN 15

Trace heating systems are used for products with higher temperature range loading (see table). Two heating tubes (inlet- / outlet line) are attached along the loading arm. Rotating elements are connected by waffle-like alloy steel hoses. Swivels are bridged by alloy steel hoses.

Trace Heating

Jacket Heating Systems
Diameter Operating pressure Seals Max. product temperature Connecting flange
DN 15 (radial
clearance 10 mm)
Max 20 bar Viton,
PTFE-compound
200°C
250°C
DN 15
Our specialists are always there to help you

Our engineers will provide advice or additional technical information about the offered oil and gas production and transport equipment

Please send your RFQs for oil and gas production and transport equipment to our Technical Department.

+7 (495) 225 57 86
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