Submersible Pump Seal Basics

Author:admin Date:2022-08-01

There are several factors that will determine the correct type of Submersible Pump Seal. Mechanical seals are comprised of a pair of optically flat faces connected to a drive shaft. These faces are lubricated either by the liquid pumped or by a barrier fluid. Because the seals are only in contact while the pump is at rest, they must be kept lubricated. The lubricating liquid provides a thin hydrodynamic film between the two surfaces, which reduces wear and assists in heat dissipation.

Mechanical seal failure often results in grinding shafts. There are two main positions where this happens in submersible pumps. These are the auxiliary sealing ring and the static ring. During this time, particles from the medium may enter the seal's surface, causing excessive mechanical leakage. Furthermore, if the auxiliary sealing ring is corroded, it will lead to excessive mechanical leakage. The auxiliary seal is a common culprit in this problem.

The primary cause of pump downtime is mechanical shaft seal failure. Understanding the difference between the two is essential for correct mechanical seal application. In this article, we will look at mechanical seal basics and why they are so important. There are many other considerations when selecting a mechanical seal. There is no single, best way to choose a submersible pump seal. Fortunately, there are many solutions to this problem. Let's look at the three types below.

The most common cause of submersible pump malfunction is mechanical seal failure. New technologies have been introduced to eliminate these issues. Silicon carbide seals, for example, are a better choice than traditional tungsten-based seals. A solid silicon carbide seal is more heat-resistant and conducts away from its faces than a thin tungsten-based one. Therefore, the submersible pump seal is important, especially when a high-pressure fluid is involved.

The most common type of mechanical seal is a rotary seal. A rotary seal has a sealed face made of silicon carbide, tungsten carbide, carbon, or ceramic. The elastomer used in a rotary seal is either EPDM or NBR. Both types are available in various sizes and materials. Once you've decided on the right type of seal, it's time to install it.

Different pumps use different types of mechanical seals. Pumpex pumps are commonly used with mechanical seals. They come in a variety of materials, including Carbon/SIC, SIC, and Nitrile elastomers. FP pumps use different models of mechanical seals. You can find a variety of mechanical seals at HXSEALS INDUSTRY. They are known for their quality and durability. You'll be able to select the right submersible pump seal at a discount price.

One type of mechanical seal has two faces: the static portion is fixed on the shaft, and the rotary portion is a stationary component. These two surfaces are separated by a spring or other mechanism that provides lubrication between them. The rotating portion of the mechanical seal has a hydrodynamic fluid film formed on its face. This film prevents the wellbore fluid from crossing the face through a pressure differential setup. It also helps keep the loaded face cool.

TYS 1006 Mechanical seal John crane type 2100K pump shaft seal

Operating Limits

Annular Seal Pressure:≤OMpa~1.2Mpa
Annular Seal Temperature: -20~80℃(-30~200℃)
Rotation speed:≤12m/sec
Medium: water, oil and sewage with PH value of 6.5-8
Mainly used in various centrifugal pumps, pipeline pumps, industrial pumps, vortex pumps, etc.

Single end face
Single bullet
Unbalanced seal
Rubber bellows
Any rotation

Static Ring (Silicon Carbide/Tungsten Carbide)
Moving ring (graphite/silicon carbide)
Auxiliary sealing (nitrile rubber/ethylene propylene rubber/fluorine rubber/hydrogenated nitrile)
Transmission sleeve (stainless steel)
Spring (stainless steel)
Spring seat (stainless steel)

MODEL	d1	d3	D7	L	L28	L2
TYS1006-12	12	28	26	23	6.5	5.0
TYS1006-14	14	32	28	25	6.5	6.0
TYS1006-16	16	32	27	25	6.5	6.0
TYS1006-18	18	39	33	27	7.5	6.0
TYS1 006-20	20	39	35	29	7.5	6.0
TYS1006-25	25	46	40	31	7.5	6.0
TYS1006-28	28	51	43	34	7.5	6.0
TYS1006-30	30	51	45	34	7.5	6.0
TYS1006-35	35	59	50	36	7.5	6.0
TYS1006-40	40	66	58	39	9	8.0
TYS1006-45	45	72	63	39	9	8.0
TYS1006-50	50	77	70	40	9.5	8.0
TYS1006-55	55	84	75	46	11	8.5
TYS1006-60	60	88	80	49	11	9.0
TYS1006-65	65	97	85	51	11	9.0
TYS1006-70	70	104	92	51	11 .3	9.0
TYS1006-75	75	110	97	51	11 .3	9.0
TYS1006-80	80	116	105	52	12	10
TYS1006-85	85	124	110	55	14	10
TYS1006-90	90	131	115	59	14	10
TYS1006-95	95	136	120	60	14	10
TYS1006-100	100	141	125	61	14	10
TYS1006-110	110	150	140	61	14	10
TYS1006-120	120	160	150	61	14	10
TYS1006-12d	12	28	23	21	6.5	5.5
TYS1006-14d	14	32	25	23	6.5	5.5

MODEL	d1	d3	D7	L	L28	L2
2100-1/2"	12.70	25	25.40	15	6.50	7.90
2100-5/8"	15.88	26	31.75	15	8.70	10.30
2100-3/4"	19.05	32	34.93	20	8.70	10.30
2100- 1"	25.40	39	41.28	20	9.50	11.10
2100-1 1/8"	28.58	42	44. .45	26	9.50	11.10
2100-1 3/8"	34.93	49	50.80	26	9.50	11.10
2100-1 1/2"	37.10	54	53.98	30	9.50	11.10
2100-1 3/4"	44.45	61	63.50	30	11.10	12.70
2100-2"	50.80	66	69.85	30	11.10	12.70
2100-2 1/8"	53.98	69	76.20	30	12.70	14.30
2100-2 3/8"	60.33	80	82.55	33	12.70	14.30
2100-2 1/2"	63.50	83	85.73	33	12.70	14.30
2100-2 5/8"	66.68	88	85.73	33	14.30	15.90
2100-2 3/4"	69.85	89	88.90	33	14.30	15.90
2100-3"	76.20	99	98.43	40	14.30	15.90
2100-3 1/8"	79.38	103	101.60	40	18.00	19.80
2100-3 1/4"	82.55	104	104.78	40	18.00	19.80
2100-3 3/8"	85.73	108	107.95	40	18.00	19.80
2100-3 1/2"	88.90	112	111.13	40	18.00	19.80
2100-3 5/8"	92.08	114	114.30	40	18.00	19.80
2100-3 3/4"	95.25	118	117.48	40	18.00	19.80
2100-4"	101.6	124	123.83	40	18.00	19.80

MODEL	d1	d3	D7	L4	L2	L1	L12	L13
2100-12	12	22	23	6	5	15	26.5	34
2100-14	14	24	25	6	5	15	29	34
2100-16	16	26	27	6	5	15	29	34
2100-18	18	32	33	6	5	20	31.5	39
2100-20	20	34	35	6	5	20	31.5	39
2100-25	25	39	40	6	5	20	34	44
2100-28	28	42	43	6	5	26	36.5	44
2100-30	30	44	45	7	5	26	35.5	43
2100-35	35	49	50	8	6	26	34.5	47
2100-40	40	56	58	8	6	30	37	47
2100-45	45	61	63	8	6	30	37	52
2100-50	50	66	70	10	8	30	37.5	50
2100-55	55	71	75	10	8	30	37.5	60
2100-60	60	80	80	12	10	33	40.5	58
2100-65	65	85	85	12	10	33	40.5	68
2100-70	70	90	92	12	10	33	48	68
2100-75	75	99	97	12	10	40	48	68
2100-80	80	104	105	14	12	40	47.5	77.5
2100-85	85	109	110	14	12	40	47.5	77.5
2100-90	90	114	115	14	12	40	52.5	77.5
2100-95	95	119	120	14	12	40	52.5	77.5
2100-100	100	124	125	14	12	40	52.5	77.5