And ensuring stuffing box reliability and controlling the pump environment can mitigate many reliability issues. Its a easy seal and cheap than others, but when in daily use, there maybe face a problem, leakage from stuffing box. The answer lies in … 9. A stuffing box separates the non-rotating parts from those that rotate. REPLACE PACKING WHEN LEAKAGE CANNOT BE CONTROLLED BY FURTHER TAKE-UP ON THE FOLLOWING GLAND. Based on the study of physical processes, a sealing mechanism model of the stuffing box seal is formed as a combination of two successive hydraulic resistances: a pre- The dipping of each ring in lubricating oil before installation will help the packing, and careful attention given to the first running of the pump will add to the life of the packing and prevent any necessity for constant adjustment of the gland. Stuffing box pressure. The pump stuffing box is used to control the product leakage from the pump along the shaft. You can also choose from mechanical seal, bellow seal. 314 stuffing box pump products are offered for sale by suppliers on, of which pumps accounts for 1%. There are 179 pump stuffing box suppliers, mainly located in Asia. 1. Would you like to learn how to centre the stuffing box on a Warman® centrifugal slurry pump in just two minutes? But how do we accomplish this? When centrifugal pumps were developed there was a need to prevent the pumpage from pouring out thru the open clearance between the pump casing back and the rotating shaft, which turns the impeller. In many small fiberglass boats, for example, the stuffing box is mounted inboard near the point the shaft exits the hull. Stuffing box reliability is critical to the condition and performance of the whole fluid sealing program. Calculated Stuffing Box Pressure DOUBLE SUCTION [Suction Pressure = Stuffing Box Pressure] To save this calculator to your desktop, in your browser use "view, source - save as text" or "save as source", then use "open, file" to view off-line. Base Ring (Stuffing Box Bushing) When packing a pump, the base ring or stuffing box bushing is the first piece installed in the bottom of the stuffing box. A stuffing box of a pump houses a gland that compresses the packing used to seal the pumped fluid. 2. Inside the bore of the stuffing box houses gland packings and a lantern restrictor. A stuffing box separates the non-rotating parts from those that rotate. The Stuffing box is a cylinder-shaped space in the pump casing around the pump shaft. Shaft Sleeve Stuffing box reliability is critical to the condition and performance of the whole fluid sealing program. The Stuffing Box is a cylindrical space in the pump casing surrounding the shaft. DAC Worldwide’s Sucker Rod Pump Stuffing Box Assembly Replica (295-406) is an economical, lightweight, and faithfully-reproduced representation of a common production wellhead stuffing box. About 20% of these are seals. IN PERSON PICK-UP ALLOWED, Our Phone Number is 800-748-1889 or 303-424-3551 IF THE STUFFING BOX HAS A LANTERN RING (SEE ILLUSTRATION ABOVE), make sure that the lantern ring, as installed, is slightly behind the fluid inlet so that it will move under the inlet as follower pressure is applied. A wide variety of pump stuffing box options are available to you, such as rubber, silicone. The importance of knowing the proper cleaning and packing procedures becomes evident during a shutdown event when you need to keep your pump running efficiently. It is important that the pump is designed properly to control the amount of liquid that leaks along the shaft at the point that the shaft penetrates the pump casing. Each ring should be installed separately and enter the stuffing box … Packing is then held in place and compressed by the ‘Gland’ to give a give a leak-tight seal. 1) 250 2) With cold liquid to seal cage 2) 275 Water-cooled packed box 300* Standard or water-cooled packed box This can be designed, if necessary, as a double seal with buffering medium. Figure 3 8. Rings of packing materials are used in the stuffing box space. B-4A Stuffing Box Packing A typical packed stuffing box arrangement is shown in Fig. Single Pack Stuffing Box (SB) Original design; Superior and dependable performance; … Slurry Pump Expeller, Expeller Ring and Stuffing Box Compact progressive cavity pump is installed under the driving motor, the pump must be bearing housing type structure. It consists of a stuffing box cavity with a restrictive “throat” bushing at the pumpage end, several rings of packing, a hollow spacer or lantern ring, several more rings of packing and a follower or gland. offers 179 pump stuffing box products. Mission Pump Parts, 2223-01-30 641116157, Mission Pump Spare Parts manufacturer / supplier in China, offering Stuffing Box, Mech. Stuffing box seals are the most common type of pump rotor seals because they are adjustable and periodically restorable assemblies during operation. The "box" is a cylindrical assembly, typically of bronze, comprising a sleeve threaded on one end to accept adjusting and locking nuts. Stuffing Box Sealing Maximum Temperature Degrees Farenheit Standard Packed Box 1) With internal seal passage, or no liquid to seal cage. It is a reliable option to hold your packing seals and shaft as well as keep your pumping system from leaking. It consists of: A) Five rings of packing, B) A lantern ring used for the injection of a lubricating and/or flushing liquid, and C) A gland to hold the packing and maintain the desired compression for a proper seal. TriVis® Stuffing Box Components Proper alignment of the plunger is critical to an extended wear life and correct flow conditions. A wide variety of stuffing box pump options are available to you, such as automotive industry, family homes, and water treatment solutions. thread819-59312: stuffing box pressure calcs My query is regarding stuffing box pressure for multistage centrifugal pump for following cases: case a) BB2 (double suction pump) - Pressurized dual seal - Seal plan : 11-53B-61 case b) BB5 pump with balancing line - Pressurized dual seal - Seal plan : 11-53B-61 For above cases, A stuffing box for a sucker rod pump assembly is disclosed that utilizes natural convection currents generated in a lubricating fluid reservoir mounted on the housing of the stuffing box and in fluid communication with the interior of the housing to continuously displace the heated lubricating fluid in the interior of the housing with cooled lubricating fluid from the reservoir. Rear covers (Stuffing Boxes) are available in standard bore and big bore, in CF8M and CD4MCuN, in STX and MTX series. The purpose of this bushing is to prevent packing from extruding through the bottom of the stuffing box. When it comes to centrifugal slurry pump maintenance, a stuffing box is the best option for time-sensitive issues that may arise. It prevents leakage along the shaft that passes through a hole in the pump. A braided packing made of expanded pure graphite with textile fiber is normally used; … The stuffing box prevents sea water from entering the boat's hull. When you hear stuffing it usually means stuffing for turkeys, it may also suggest some misconceptions about stuffing boxes for pumps. The material is closely packed or wound tightly around the propeller or pump shaft with threaded nut or spacer compressing it in place. The TriVis® Stuffing Box Component tolerances assure that the plunger will be in motion at the correct angle to reduce wear and maintain adequate pressures. Pump Packing Application Data. Stuffing box is a seal part used in slurry pumps, when pump with packing seal.