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HYDRAULIC CYLINDERS
Fifty years of experience, backed by a constant drive for innovation, have made Douce Hydro a force to be reckoned within the field of hydraulic equipment. As a technological leader in hydraulic
cylinders, resolutely turned towards the export market, with foreign sales accounting of more than 50% of its turnover, Douce Hydro ranks among the main players of the international market (MOCI award in 1997).
Douce Hydro is able to design and manufacture any type of custom designed hydraulic or pneumatic cylinders. Douce Hydro cylinders are recognized by our customers for their high quality, advanced technology and long service lives. Since 1950, Douce Hydro clients have benefited from our extensive in-depth know-how based upon over 50 years of experience in the cylinders industry.
State-of-the-art industrial facilities:
Douce Hydro excels in technical expertise, in fields such as custom design cylinders, extra-large cylinders, heavy duty, very high-speed or zero-leakage technology cylinders. Our means of production are particularly impressive, with gantry and portal milling machines, large grinding machine, vertical honing, polishing machines, welding machines etc.
Most of our machines are digitally computerized (CNC).
Our capabilities: Small, medium, large and extra-large custom designed cylinders
Available design parameters and Options (but not limited to):
- Single acting or double acting
- Telescopic
- Servo-positioning or servomotors type
- Hydraulic or pneumatic
- Any type of raw material according to ASTM, AFNOR, DIN, ISO, CSA, SAE, API, BSI, CEN, JIS standards
- Any type of raw material hardening or treatment (black oxyde, nitrided, phosphated, kanigen…)
- Any type of rod end attachment (threaded rod end, single male clevis, bearing with swivel, female clevis…)
- Any type of mounting (welded cap/mill type, bolted cap, tie rods…)
- Any type of body attachment
- Heavy-duty
- High-speed technology (such as injection molding industries)
- Zero leakage technology (tightness)
- High frequency
- Shock absorbers / cushioning (front or rear)
- Self-clamping devices (locking-unlocking cylinders)
- Prefill valves
- Any type of rod coating: chrome, nickel-chrome, sulfamate nickel …
- Rod with Keradouce™ coating
- Inside diameter of barrel chrome plated or kanigen treated
- Any type of rod measuring system
- Any type of painting (epoxy, polyurethane, zinc coating…)
- Any type of paint specifications (corrosion resistant, splash zone, marine or offshore environment, abrasive environment…)
- Any type of fluid (mineral oil, synthetic oil, water glycol, ester phosphate …)
- Any type of testing (Hydrostatic test, test with nitrogen, chart recorded, Non Destructive Testing, dye penetrant, holiday testing, etc …)
- Material certificates
- Welding certifications
- Third party inspection
- Worldwide on-site technical assistance
- After-sale: Repair, Seals kits and Spare parts delivery
Etc…
Volume manufactured:
From single piece up to any large quantities (mass production)
Douce Hydro technical teams are always attentive to customer requirements and immediately available and responsive throughout the world, whatever the expectation.
Codes and CERTIFYING PARTIES:
We have already been working with many different codes, and our work has been approved by different third parties such as (but not limited to):
Code rules:
- American Society of Mechanical Engineers (ASME), section VIII, Div.1.
- USCG NVC 10-82 CH-2
- CFR (Code of Federal Regulations) Title 46 (US Coast Guard) subchapter 1-A, Subpart 58.30-30, Fluid Power Cylinders; Subpart 58.30-35 Testing. Subchapter F (Marine Engineering).
- American Society of Mechanical Engineers (ASME), Power Piping Code, ASME B31.1, 1998, Section 137, Testing.
- Material complying with internationally recognized standards (ASTM, AFNOR, API, BSI, CEN, CSA, DIN, ISO, JIS, SAE)
- American Institute of Steel Construction, Inc. (AISC) Manual of Steel Construction, Allowable Stress Design, 1989.
- American Welding Society (AWS) structural Welding Code – Steel AWS D1.1, 1998.
- ABS MODU Rules, 1997 section 3/12 and Appendix 3/E.
- US Army Corp of Engineers specifications (for radial gates)
- Etc... .
Certifying third parties:
- DnV
- ABS
- Veritas
- Lloyd
- US Army Corp of Engineers
- Etc…
Upon request, Douce Hydro can design and manufacture any type of cylinder following any other existing code.
Due to the wide diversity of applications, of the different regions in the world and the specific requirements for hydraulic cylinders, many customers have developed their own specialized standards (steel work, marine, OEM, offshore industries...)
Douce Hydro has the flexibility to conform its manufacturing to the specialized standards of its customers and to your typical application.
Various field of application:
Douce Hydro is a reliable partner in industries as diverse and demanding as Steel works and Aluminum, Presses, Marine and Dredges, Sluice Gates & Waterways, Offshore, Dams, Lifting / Mobile Bridges, Tunnel Boring Machines, Cement industry, Mining, Military, Lifting-Handling, etc….
Multiple applications can be suited to each specific situation: lock gates in Hamburg, fitting of a dredger in Japan or for a hydroelectric dam in the US for the Army Corp of Engineers, riser tensioner cylinders for offshore platform in Australia, etc.
Douce Hydro teams are working around the clock all over the world to provide on-site technical assistance.
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View the product on doucehydro.fr
DOUCE HYDRO
BUTTERFLY VALVES
Double off-centre design with removable gasket.
”Wafer” type models with flanges or to mount between flanges.
Valve and butterfly in flake-graphite cast iron or spheroid graphite cast iron.
Cast
iron/elastomer, stainless steel/elastomer, metal/metal watertightness.
Face to face spacing meeting most national and international standards and notably: ISO, EN, NF, BS, DIN, ANSI (AWWA)...
DN 100 / DN 2000
Pressure classes: PN 2.5 - PN 10 - PN 16.
On/off control, setting or regulation functions.
Manual, pneumatic, electric reducer controls...
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View the product on lefebvre.fr
Vannes LEFEBVRE
EDWARDS GV MANUAL AND PNEUMATIC GATE VALVES
Edwards GV Manual and Pneumatic Gate Valves
In situ removal of gate and linkage mechanism for easy servicing
Virtual leaks eliminated due to vacuum brazed manufacture
Electropolished finish inside
and outside
Compact design with high conductance
Manual design with high conductance
Manual or pneumatic options
Microswitch position indicator as standard on pneumatic version
Reedswitch variants
long periods of use between maintenance
Low vibration and shock
Free choice of orientation
Wide range from 40mm / 1.56 in bore up to 320mm / 12.48 in bore
Flange options – ISO, ASA or CF (metal sealed)
The Edwards (Formerly BOC Edwards) GV range of stainless steel, bellows sealed gate valves is designed for applications requiring overall leak tightness and a minimum of hydrocarbon in the residual atmosphere.
These superior quality valves offer high vacuum integrity coupled with maximum conductance. The valves are available with flange options of ISO, ANSI or CF (Metal sealed) for applications at ultra high vacuum requiring increased bakeout temperatures.
The stainless steel valve bodies are vacuum brazed, a special process which includes a bakeout at 1100 °C. This eliminates any possibility of virtual leaks and ensures a product with low outgassing characteristics.
A laser welded stainless stee bellows effectively seals the actuator from the valve. The concept provides ease of servicing and allows the gate and linkage mechanism to be removed while the valve remains in situ.
Technical data - Edwards GV Manual and Pneumatic Gate Valves
Pressure range:
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View the product on absolute-vacuum.com
Absolute Vacuum Services UK Limited
PNEUMATIC CONTROL SYSTEMS (WITHOUT PRESSURE VESSEL)
* Custom manifolded systems to control Pneumatic fluids (Air, GN2, GH2, GHe, CO2, etc.)
* Minimum size and weight with improved control accuracy for portable, airborne or larger instruments.
* Optimized systems using a combination of custom and commercially available components integrated for highly reliable, lighter, simpler, smaller, more economical solutions.
* Incorporating our custom valve design capability coupled with our knowledge of available commercial components for unique, high reliability, application specific solutions.
* Design and manufacturing capabilities from prototype through high volume production orders.
* Pneumatic Control Systems with pressure vessels are available: Pneumatic Control Systems (With Pressure Vessel)
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View the product on aerodyne-controls.com
Aerodyne Controls Groupe - CIRCOR
ACTUATORS & CONTROLS - PNEUMATIC/HYDRAULIC G SERIES
NAMUR
The shaft driven accessory interface conforms to the NAMUR standard and is identical on all G-Series actuators, allowing for standardization of accessory mounting hardware and installation
practices.
• Pneumatic and hydraulic scotch-yoke actuators
• Automates ball, butterfly, plug valves and any other 90° rotating mechanisms
• Salt Spray Testing per ASTM B117 criteria. Construction features prevent water ingress, allowing G-Series actuators to meet IP 66 and IP 67M specifications and severe high pressure water deluge test
Operating Ranges
G-Series double acting actuators produce guaranteed minimum torque outputs from 10,000 lb-in. up to 6,000,000 lb-in. The spring return units produce spring torques from 2,500 lb-in. to 3,000,000 lb-in.
• Standard operating pressures: Pneumatic — to 200 psig (14 BAR)
• Standard operating temperature is -20°F to +200°F (-29°C to +93°C)
Optional trims available: 0°F to +350°F (-18°C to +177°C); -50°F to +180°F (-46°C to +82°C)
• Mechanical and hydraulic manual overrides are available
• MSS and ISO Valve Mounting
The G-Series valve interface meets the dimensional requirements of MSS SP-101 or ISO 5211 defined for each torque range.
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View the product on conbraco.com
Conbraco Industries
INTEGRATED HYDRAULIC CIRCUITS
Features and Benefits :
* Eliminates inter-valve piping to save 30-70% in labor and material costs
* Consistent circuit every time
* Reduces system leak-points
* Less plumbing
reduces system size by 50% or more
Integrated hydraulic systems are generally designed for one specific application. Continental Hydraulics’ Engineering Department can produce a circuit from your rough schematic, flow and pressure requirements, or from completed machine drawings. We also supply integrated circuit manifolds to include Sun hydraulic cartridges, or we can accommodate other valve manufacturers such as Hydraforce, Delta, Deltrol, Compact Controls, Modular Controls and others.
If you require one, a hundred, or a thousand integrated hydraulic circuits, we can provide them. Utilizing a CAD/CAM system the design goes directly from computer to high-speed CNC machining centers. Set ups are fast and multi-part designs are no problem. We can easily produce integrated hydraulic circuit design variations for even greater flexibility. Click here to tell us what you need.
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View the product on continentalhydraulics.com
CONTINENTAL HYDRAULICS
AIR-OIL HEAT EXCHANGERS - SERIES AP WITH HYDRAULIC MOTOR
This type of exchanger has been designed for use on movable machines where battery feed is insufficient or when exchangers with direct current supply are inadequate to produce high thermic yields.
The radiative unit is of aluminium because this material is a very good conductor; providing high thermic yields and relatively compact over-all dimensions. Thanks to the particular construction of the radiative unit the exchangers of the series APL cope well with water hammer conditions which, at peak values, must not exceed the minimum allowable dynamic pressure of 20 bar. The maximum allowable static pressure is of 35 bar. It is recommended to fit a by-pass valve to avoid extreme back-pressures, particularly when the equipment is started with cold oil. For good exchanger working practice some oil rates are indicated in the tables. A very low flow rate oil speed creates considerable yield losses whereas a flow rate in excess of the suggested maximum causes pressure loss and does not substantially increase the thermal yield. The yield curves indicate the specific exchange capacity in kcal/h°C or in kW/°C subject to the different oil rates. To calculate the heat quantity that different exchangers are able to disperse it is sufficient to multiply such capacity by the difference between the required oil temperature and the summer ambient temperature. All components have been carefully chosen to ensure a reliable product. Fans are metallic, as are the protection grids for the hydraulic motor. Upon request a motor support can be supplied which prevents the drive shaft from radial stress. A thermostat with IP 65 protection and calibrated 47°C or 60°C can be supplied. To determine the correct air-oil exchanger we can supply a calculation program on CD-rom; by completing certain data it is possible to determine the correct exchanger and to obtain all the necessary parameters. The air-oil exchangers can be used to cool other kinds of fluids compatible with aluminium. For all applications, with the exception of oil cooling, it is recommended to consult our Technical Department.
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View the product on sesino.com
COSTANTE SESINO
HYDRAULIC-PNEUMATIC INTERFACE VALVES FOR CONTROL SYSTEMS
Hydraulic-Pneumatic Interface Valves for Control Systems
This hydraulic, three-way, two position, normally closed, 316 SS valve permits a low-pressure pneumatic signal to control a
high-pressure-hydraulic signal. In this unique spool valve design, the usual pilot diaphragm is replaced by a piston. The use of a stainless steel piston and an O-ring or Teflon “cup” seal eliminates failures due to diaphragm leakage and incompatibility of diaphragm with process fluids. The high ratio of hydraulic power pressure to pilot control pressure insures safe operation and positive control under all conditions.
Pneumatic Pilot Section
Fluid Air or hydraulic
Operating pressure 50 PSI (3.4 BAR) controls
5,000 PSI (344.7 BAR)
100 PSI (6.9 BAR) controls
10,000 PSI (689.5 BAR)
Maximum pressure 1,000 PSI (68.9 BAR)
Proof pressure 1,500 PSI (103.4 BAR)
Hydraulic Valve Section
Fluid Hydraulic or diesel
Operating pressure 6,000 PSI (413.7 BAR);
| 10,000 PSI (689.5 BAR)
Proof pressure 15,000 PSI (1034.2 BAR)
Burst pressure 20,000 PSI (1379 BAR)
Operating temperature -40° to 450°F (-40° to 230°C)
Flow capacity +0.5 Cv (equivalent .224” diameter orifice)
Flow 39 GPM at 5,000 PSI
(149 LPM at 344.7 BAR)
Internal/external leakage Zero
Port connections 1/4" FNPT
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View the product on ep-solutions.com
eProduction Solutions
HYDRAULIC SUPPLY UNIT
Product Features
Simple operation
Modular extensions possible
Separate cooling circuit
Quick set-up
Long maintenance intervals
Long product life
Design and Function
The hydraulic supply units
make hydraulic energy available for the operation of torsion motors and hydro swingers. At the same time, it takes care of the cooling and filtering of the hydraulic oil. It consists of the hydraulic power unit, and the control system, which are particularly optimized for the operation of GAT torsion motors. Due to a separate oil-coolant circuit, particularly good cooling and filtering performance can be attained. The modular construction allows precise adaptation to the required demands: the control system can be disassembled in order to monitor and control lubrication of the gears, the rotary drive, and the several individual drive systems. It is also possible to operate remotely.
Models
There are two different systems available for hydraulic energy supply: the series HAK was adapted to facilities with few test bench components and small flow rates, and therefore offers simple operation, compact dimensions, and excellent economic efficiency. For complex facilities, e.g. for dynamic torquing and with high rotation rates, the series HA is suitable. It delivers large flow rates and high cooling capacity.
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View the product on gat-mbh.de/
Gat France
HYDRAULIC CONTROL VALVES
NOMINAL SIZE 6 MM ISO 4401/CETOP R35H SIZE 3
NFPA DO3 DIN 24340 A6
All ports - corner power 4500 PSI (315 BAR), 5.2 GPM /20 liters per min.
Self contained cartridges fitted in bodies with
industry standard mounting interface.
Bidirectional flow capacity.
Bidirectional zero leakage closure.
With or without override.
ISO 4401 size 3 body, with or without check valve or orifice in pressure port.
Special versions with closed crossover switching characteristics for flows up to 10 liters per min. (for accumulator or clamping systems).
Coils can be replaced without disturbing or opening the hydraulic system.
DESCRIPTION
Series W2... poppet valves are self- contained cartridge units mounted in a body with an industry standard ISO 4401 size 3 manifold-mounting surface. They operate on the proven guided poppet principle and the guide stem requires only one seal. Coils can be replaced or changes to a different voltage and current (AC to DC or vise-versa) while the hydraulic system is pressurized. The 3 way / 2 position (3/2) and 4 way / 3 position (4/3) units can be supplied with poppets having closed crossover switching characteristics. These versions (all ports are isolated during valve change over) ensures no loss of pressure during switching. This is an important benefit in accumulator, low volume and clamping systems.
PRINCIPAL CHARACTERISTICS
Type:
3/2, 3/3, 4/3
directional poppet valve
Pressure range:
0 to 1200 cycles/hr
4500 PSI (315 BAR)
1000 to 10000 cycles/hr
3050 PSI (210 BAR)
Design:
Guided poppet
Fluid Temp Range:
20 deg. C to 70 deg.C
Port size:
ISO 4401 size 3 interface
Flow rate Q max:
5.2 GPM (20 litres/min)
Weight:
3/2: 1.75 Kg.
3/3 & 4/3: 2.50 Kg.
Mounting attitude:
Unrestricted
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View the product on heypac.co.uk
Heypac Ltd
