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rotary shaft seal testing
We recently paired our most pressure capable RCD seal (Plastic Lined Kalsi Seal) with our most pressure capable seal carrier (Axially force balanced, laterally floating backup ring) to achieve excellent rotary seal .
You are responsible for testing the seals in your application. This handbook provides sealing information and options for additional evaluation by individuals having engineering proficiency.
The fixture in this video is used to perform full scale tests of the high pressure rotary shaft seals used in rotary control devices (RCDs). The fixture .Figure 4: The dynamic lip of a Kalsi-brand rotary shaft seal incorporates hydrodynamic waves that lubricate the dynamic sealing interface during shaft rotation, which reduces friction and wear and helps the seals to run cooler. .
Updated February 23, 2024. Kalsi-brand rotary shaft seals are offered for sale under the terms and conditions of the “Offer of Sale” that is included in the current revision of the Kalsi Seals Handbook™.. Our Production Staff members are .Seal Selection. Kalsi Seals are available directly . from Kalsi Engineering in an assortment of styles, cross-sectional sizes, and materials to address various operating parameters. For information, visit our website (www. kalsi.com) and download a copy of the Kalsi Seals Handbook. Seals are stocked in diameters ranging from 0.394” (10 mm) to . Figure 1 shows one of our Kalsi Seals Lab test technicians setting up the test. The pair of Enhanced Lubrication Seals TM (PN 568-43-30) was in excellent condition at the conclusion of the 50 hour test, as shown in Figure 2. The per seal leak rate was 18 ml/hour. This high-speed rotary seal test was successfully repeated to confirm performance . The duration of the test was 6.5 hours, to meet an application-specific rotary cycle goal. The used seals are in excellent condition, as shown below. The test was conducted in our high pressure swivel seal test fixture at 24 rpm using a pair of 4.5” Kalsi Seals and an ISO 68 viscosity grade seal lubricant. The fixture tests two seals at a .
rotary seal testing kit
As with all Kalsi-brand rotary shaft seal designs, the dynamic lip of the PN 701-10-11 seal incorporates patented hydrodynamic waves that pump a film of the lubricant into the dynamic sealing interface during shaft rotation to reduce friction and wear. . Based on the excellent condition of the used PN 701-10-11 test seals, compared to other .The rotary test seals were in good condition at the conclusion of both sets of tests indicating that the seals were lubricating successfully. Figure 1 shows the post-test condition of a Kalsi Enhanced Lubrication seal that was tested with water at 40 psi and the shaft rotating at 943 fpm for over 90 hours. . Figure 1 – Post-test condition . Read about 100 rpm testing of 10.50” RCD seals in the pressure range experienced by the drilling fluid-to-bearing lubricant partitioning seal of an RCD. . Overview of how Kalsi Seals are used in an RCD. An RCD uses two Kalsi Seals, each facing unique challenges. A partitioning seal partitions a pressurized seal lubricant from the drilling .
The Kalsi Engineering testing facility is located in the Houston, Texas metropolitan area and includes the capability to perform flow loop testing and a wide range of electro/mechanical testing . Evaluation of various dynamic seals, such as mechanical face seals, elastomeric lip seals, plastic seals, and proprietary design seals, to determine . For additional information on implementing the Kalsi Tanged Seal see the seal gland guidelines & dimensions chapter in our Kalsi Seal Handbook or contact one of our experienced engineers. Figure 1 – The 674-12-11 test seals are in excellent condition after a 50-hour test running against an abrasive drilling fluid pressurized to 500 psi higher . A summary of the latest updates in our popular Kalsi Seal handbook. Contact our engineering staff to discuss your rotary shaft sealing needs. . rings” — The main reason for revising Chapter D17 was to add new information on extreme high pressure rotary shaft seal testing. The revision also includes updated patent-related information, an .
The seals were in excellent condition at the conclusion of the test. The seal leak rate was 15 mL/hour. This high-speed rotary seal test was repeated with a new set of seals to confirm performance. Rotary seal geometry 2 — A pair of Standard Width Kalsi Seals (PN 587-12-30) was run at the same conditions as the Enhanced Lubrication Seals. The .
Introduction and overview of the 320-hour high pressure oil seal test. Kalsi Engineering has been performing high pressure oil seal tests directed at increasing the pressure capacity of washpipe assemblies, hydraulic swivels, and similar rotary applications. In a test we completed on May 6, 2019, a pair of 4.500” oil seals were tested at 120 .The main test section runs inside the air-condition laboratory, which allows for convent testing in all weather (see Figure 1). The KEI flow loop is frequently used to perform the following tests: Testing per ISA 75.02 to determine valve flow coefficient ( C v ) .Kalsi Seal Material Options. The materials used to manufacture Kalsi-brand rotary shaft seals are identified by the “Dash Numbers” shown in the tables below. The part number of most Kalsi Seals® is comprised of the basic part number and a material dash number. For example, the seal part number 507-5-11 includes the basic part number “507 .
Kalsi Engineering invests in a swivel seal test fixture to test 4.5” high pressure rotary seals at pressures up to 10,000 psi with floating backup rings. . Much of our rotary seal testing is performed on our battery of . The test was rotated for 127.13 hours, and then disassembled for seal inspection because the 90 hour test goal had been exceeded. The test included 108.38 hours at 120 rpm and 18.75 hours at 20 rpm. At 120 rpm the .
Kalsi Engineering provides rotary shaft seal-related training in person, or via web conferencing. Classes are tailored to your shaft seal application. . Rotary Seal Testing Capabilities; Floating Metal Backup Ring; Kalsi Seal Events; Design Software; ISO 9001:2015 QMS; Rotary Seal Blog; Video Channel; Seal Training; Juntas Hermeticas Kalsi;Kalsi Seals® Kalsi Seals Overview; Rotary Shaft Seal Literature; Ordering Information; Seal Styles & Sizes; Rotary Seal Testing Capabilities; Floating Metal Backup Ring; Kalsi Seal Events; Design Software; ISO 9001:2015 QMS; Rotary Seal Blog; Video Channel; Seal Training; Juntas Hermeticas Kalsi; Kalsi Literature . Kalsi Literature Overview .
geometry of a representative Kalsi Seal. Kalsi Engineering’s rotary seal product line was established to address the harsh and unforgiving conditions of the oilfield downhole environment. Kalsi Seals are available in a wide range of sizes, designs, and materials to satisfy a variety of application requirements. Figure 2
rotary seal testing
Figure 1 shows one of our Kalsi Seals Lab test technicians reviewing this high-speed rotary seal test. Both Kalsi Seals were in excellent condition at the conclusion of the 50-hour test. The test seal is shown in Figure 2. The per seal leak rate measured 2.73 ml/hour which is 6.5X lower than an Enhanced Lubrication Seal run at these same . The installation test fixture does not incorporate certain features that are recommended for an actual RCD seal carrier, because the omitted features did not affect the installation testing. For example, we recommend that a small piston or diaphragm be used to balance the pressure of the barrier lubricant to the pressure of the drilling fluid.These test durations were selected because they meet or exceed the 100-hour minimum and 200-hour maximum duration specified by API 16RCD for RCD seal testing. The Kalsi Seal-brand rotary shaft seals survived in both tests, with varying degrees of damage, despite being exposed to 3.75-times more runout cycles than a 10.375” diameter RCD seal .Variable speed motors coupled with a broad assortment of pulley diameters allows seal testing across a wide range of rotary speeds. The routine use of a battery of these horizontal test fixtures has allowed us to develop an improved understanding of the best hardware implementation practices, such as our highly capable floating backup ring .
Figure 1: An engineer assembling a rotary shaft seal test. In a previous blog, we reported on successful 162°F (72.2°C) tests of the tanged 3.00” (76.2mm) PN 701-10-11 rotary shaft seals with 0.010” (0.25m) intentional runout.In one test, the pressure of the drilling fluid was 15 psi (1.03 bar) greater than the pressure of the seal lubricant.Kalsi Engineering is excited to announce successful laboratory testing of an Extra Wide Hybrid seal that is a drop-in replacement for the 507-series mud motor seal. This Extra Wide Hybrid Seal fits in the same groove as the 507-series seal and has performed very well at pressure and temperature conditions that a 507-series seal fails at in just . After a multi-year test program, Kalsi Engineering is pleased to announce the new KLS high pressure lip seal. These spring-loaded lip seals are for applications with unidirectional rotation. Initial testing was performed at a surface speed of 543 feet per minute (2.76 m/s) with pressures up to 1,000 psi (6.89 MPa). . High-pressure and high .
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