ROV Chain Block
The Tiger ROV compatible chain block is available in various different interface options all in accordance with BS ISO 13628-8:2002 ROV Interfaces on Subsea production systems. Tested and finished in accordance with Annex’s B & K of BS ISO 13628-1:2005:
1. Hydraulic Hot Stab connection dual port type A and B
2. Rotary Torque Receptacle Classes 1,2 & 3
3. D Handle, T-bar or Fishtail Direct Drive manual connection
4. QD Direct Drive Couplings
Available as 3 tonne (single fall of load chain), 6 tonne (2 falls), 8 tonne (3 falls), 10 tonne (3 falls), 15 tonne (5 falls), 20 tonne single head (6 falls) and 30t twin head (10 falls) capacity chain blocks, chained up to project specific heights of lift (HOL) that can be pre-set to meet the exact starting point required within the rigging drawings.
- 3.0t, 6.0t, 8.0t, 10.0t, 15.0t, 20.0t and 30.0t capacity units available
- Fully corrosion protected
- Several choices of interface:
- Hydraulic Hot Stab connection dual port type A and B
- Rotary Torque Receptacle Classes 1,2 & 3
- Manual D Handle, T-bar or Fishtail Direct Drive manual connection
- QD Direct Drive Couplings
- Compliant with BS ISO 13628-8:2002 & BS ISO 13628-1:2005
- Stainless steel 316 framework and handle
- Proven Subsea brake design
- Patented Quad Cam pawl system – proven reliability
- One-piece brake chamber cover
- Heavy duty flexible chain bag c/w stainless steel mounting frame available as an option
- 4 Point manipulator connection points
- Compact and light weight
- Balanced design for easy handling and installation
- Marine specific friction discs
- New hand wheel feature for on-deck height of lift adjustments
- Bespoke chain lengths to meet exact customer requirements
- Full individual spares back up
- Each unit is fully tested and certified before delivery
Protection and Finish:
Critical internal components as well as the load and hand chain are protected by our OCP (Organic Compound Protection) finish giving unprecedented long term reliability. Stainless steel fittings are used throughout the hoist. These ensure the initial capital outlay of purchasing the hoist is protected by allowing the statutory inspections and re-certifications to be easier and also help with the overall aesthetics of the hoist being maintained in an “as new” condition. The integrated SS12 chain block is finished in our high quality white Akzo Nobel powder coat paint offering excellent additional corrosion protection and a high degree of impact protection. (Data sheets available on request.)
Hydraulic Hot Stab:
Working in partnership with Forum Energy Technologies (formerly Perry Slingsby Systems Ltd) we have designed and built an ISO 13628-8 Fig 20 Type A & B Dual Port Hot Stab Female receptacle that is protected by our full 316 Stainless steel frame handle that has 4 built in connection points for the work class manipulators to hold and operate. This exclusively designed system makes for a well-balanced unit that sits perfectly when installing the unit within the project rigging. We use high quality dual direction check valves that prevent loss of the hydraulic fluid within the system when the hot stab is removed. These valves have a dual purpose as they ensure the minimal level of contamination to the system from sea water. We incorporate laser cut text for identification of hydraulic adjustments.
QD Direct Drive Couplings:
The QD interface is supplied with a female and male ¾ NPT wing series coupler set that provides fast and efficient hydraulic connection, allowing the hoist to be controlled from the deck HPU. The QD interface is complete with the same equipment as the hot stab interface but is far more compact in design for areas with reduced access. The interface is protected by our full 316 Stainless steel frame handle that has 4 built in connection points for the work class manipulators to hold and operate. This exclusively designed system makes for a well-balanced unit that sits perfectly when installing the unit within the project rigging.
Rotary Torque Tool:
This interface has been designed to meet the exact requirements of BS ISO 13628-8:2002. These units can be supplied in Classes 1+2 or class 3 giving maximum tooling flexibility whilst only requiring an operational torque of 50Nm to lift 20 tonnes.
D Handle, T-bar or Fishtail Manual Direct Drive:
Using the same guard frame as the torque tool interface built from 316L stainless steel giving maximum protection, this option gives a very flexible operator-friendly interface by incorporating a high strength but flexible compliance joint making for a very positive and reliable direct drive mechanism.
Stainless Steel Frame Handle:
All our interface options come mounted in our purpose built high strength frames that are constructed using 316L stainless steel bar and tubing, ensuring full compliance with BS ISO 13628-8:2002(E) which gives the manipulators four T-Bar connection positions to hold onto (see below) and these tie in with T slots found in parallel jaw manipulators. All welds are continuous and all edges sealed to prevent corrosion. Frames have laser cut text for identification of hydraulic adjustments. Frames are painted RAL 2002 orange as per ISO 13628-1 to signify ROV grab point.
Developed and designed for Subsea use creating a highly efficient, reliable braking surface for use in the most extreme conditions.
Optional Chain Bags:
Designed to carry and hold the exact length of load chain required for the operation. Incorporating a stainless steel frame work and heavy duty PVC flexible bag reinforced by webbing with eyelet drain holes for an easy transfer through the splash zone. These chain bags prevent loose chain from getting snagged during lifting or lowering operations and protect any loose chain during transit to and from the operational site.
Specifically designed to guide the load chain safely onto or off the load sheave without snagging or jamming, the fluted chain stripper ensures unrestricted entry and exit of the calibrated load chain.
Our hooks incorporate our latest Patent Pending “EZ Check” feature which allows operators and inspection engineers to easily check to see if the hoist has been previously overloaded or shock loaded by simply measuring between the triangle of pop marks.
Our drop forged and heat treated alloy hooks are furnished with heavy duty spring latch kits that fully engage into the recessed nose of the hook safeguarding the load when side loading of the latch occurs and offering maximum load security. The swivel hooks are attached to the yoke using high grade nuts & bolts allowing for complete inspection during any statutory inspection or written scheme maintenance. The entire hook fitting has been protected using OCP or stainless steel fixtures and fittings.
Available with hooks that swivel under the full working load limit, to meet relevant standards i.e. AS 1418.2. Also available with spark resistant hooks.
High Performance Premium Grease:
Load carrying ability, mechanical stability, corrosion protection, water resistance and increased operating temperature ranges are all improved by the using only the very best lubricant.
Recent innovation to meet client requirements saw the addition of a hand wheel on our ROV operated chain blocks to allow for on-deck height of lift adjustments.
Our strong impact resistant gearbox housing is complete with close tolerance fit brass bushing that fully supports the pinion shaft and gears to maintain smooth revolutions whilst under load.
The subsea suitable bearings for top and bottom hook load sheaves are enclosed in drop forged housings assembled with stainless steel fittings.
There is an accompanying user manual which includes a test certificate or an EC Declaration of Conformity stating compliance with the essential health and safety requirements of the Machinery Directive 2006/42/EC. This document clearly states the proof test for the unit at 1.5 times the rated capacity and the light load test of 2% of the rated capacity, which exceeds the requirements of the current applicable standard. Chain certification is included as part of this documentation.
Hydraulic Interface: ISO 13628-8 Fig 20 Type A & B Dual Port Hot Stab Female. Recommended Hydraulic Fluid: Hydraulic Mineral oil AWS 22 or 32 or similar.Hydraulic Supply: 210bar Maximum (via ROV or Deck Powerpack) Guide flow rate 4 to 8 litres per minute. Danfoss 80cc hydraulic motor. Painted Stainless Steel mount frame. Manufacturer Coated Steel motor. Stainless Steel Hydraulics. Stainless Steel fastenings.
Available with Adaptor Components:
Drop forged adaptor maintaining maximum strength. 360° Rotation and 180° Pivot for Maximum Flexibility. Tested and certified to 4:1 factor of safety.
Tiger clevis shackle or reevable egg (master) link available for units up to 10t capacity or alternatively the hoist can be customised for alternative fittings for all capacities.
Please see our Tiger Corrosion Resistant Chain Block SS20 technical sheet for more information about the chain block.
Due to our policy of continual product development, dimensions, weights and specifications may change without prior notice. Please check with your Tiger sales team when ordering.
Hydraulic Interface: ISO 13628-8 Fig 20 Type A & B Dual Port Hot Stab Female.
Recommended Hydraulic Fluid: Hydraulic Mineral oil AWS 22 or 32 or similar.
Hydraulic Supply: 210bar Maximum (via ROV or Deck Powerpack) Guide flow rate 4 to 8 litres per minute. Danfoss 80cc hydraulic motor. Painted Stainless Steel mount frame. Manufacturer Coated Steel motor. Stainless Steel Hydraulics. Stainless Steel fastenings.
|Product Code||Capacity (Tonne)||Max Torque (nm)||Revs Per 300mm Travel||Mass Out Of Water (kg) (Includes Chain Block @ Std Hol)|
|Hot Stab||QD Drive||Torque Tool||Fishtail|
Chain Block Data
ROV Chain Block with D Handle
ROV Chain Block with Fishtail
ROV Chain Block with Hot Stab
ROV Chain Block with QD Drive
ROV Chain Block with Rotary Torque
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