Hydraulic services :
21 products
4-20 MA ELECTRONIC TRANSMITTER
This electronic transmitter is a low energy, high-output-load device that gives local analog flow read out on a six-inch scale as well as a linear 4-20 mA signal proportional to the flow rate. For
stand-by operation, the transmitter can easily be connected to operate from a battery option. The transmitter is housed in a NEMA 4 enclosure with a plastic window; a glass window is also available as an accessory. In NEMA 4 general purpose enclosure the transmitter is Factory Mutual approved as intrinsically safe for Class I, Division I, Group A, B, C, and D hazardous locations and dust-ignition proof for Class II, Division I and II, Group E, F and G areas. There is also an FM approved explosion-proof arrangement available for Class I locations and dust ignition proof for Class II areas.
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Wallace & Tiernan
BARLATCH™ FAIRLEAD STOPPER
BarLatch™ Fairlead Stopper
The BarLatch™ Fairlead Stopper is an innovative underwater swiveling fairlead and chain stopper developed specifically for floating production applications.
It is
designed to achieve the best possible chain wear characteristics for successful long term passive mooring.
The principal components are an underwater Pivoting Chain Stopper and a Swiveling Chainwheel or Bending Shoe. It addresses the need to reduce chain wear, when the mooring line is rarely moved, by placing the integral chain stopper outboard of the fairlead.
Depending on the application specific requirement, the BarLatch can be designed as an underwater or deck mounted device. This versatility allows the Bardex engineers to optimize the Mooring System design to suit the customer's exact needs.
When the stopper's latches are engaged, the high line tension is removed from the chain in the vertical leg and around the underwater bending shoe. This produces superior chain life, compared to conventional chainwheels or bending shoe type fairleads.
Patented Worldwide
Product Advantages
The BarLatch Fairlead Stopper, compared to conventional mooring systems, has the following advantages:
Greatly reduces the relative motion between the last link contacting the fairlead (restrained from moving) and the link exiting the fairlead
By latching the links outboard of the fairlead, it eliminates chain wear due to twisting of links in the vertical leg of the mooring line where links contact the chainwheel while under tension
Minimizes link sliding interaction in a lateral direction resulting from platform yaw or weathervaining.
Reduces main deck foundation costs by incorporating the chain stopper (rated at or beyond the chain break strength) with the underwater fairlead.
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Bardex (UK) Ltd
METAL-TUBE VAREA-METER
Available in a variety of tube sizes (1/2, 3/4, 1, 1-1/2 and 2 inches) and flange facings and ratings, these metal-tube rotameters give reliable flow measurement over a 10:1 range for aggressive
fluids at high temperatures and pressures. (See page 2 for pressure and temperature limits.) Metering accuracy is 2% of full scale (1% with custom calibration). Available options include a 4-20 mA output flow signal and high/low alarm switch. Flanges available have ANSI 150-, 300-, and 600- lb. ratings. Flanges are raised, flat, large female, tongue-and groove, or ring-joint face. The standard tube-and-float material is 316 stainless steel. A Hastelloy C float is also available. The magnetic indicator has a 6-inch scale. Percent of maximum flow is the standard calibration; gpm water, scfm air, or special graduations are optional.
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Wallace & Tiernan
