4"STM12 Mechanical Seal With High Dimensional Accuracy 4" Submersible Pump

TECHNICAL DATA

1.ldentification Code

4STM12-5

4:Well diameter:4"

ST:submersible pump model

M:Single phase motor(three phase without M)

2:Capacity(m³/h)

6:Stage

2.Fields of Application

For water supply from wells or reservoir

For domestic use, for civil and industrial application

For garden use and irrigation

3.Technical Data

Suitable fluids

Clear, free from solid or abrasive substances,

Chemicallyu neutral and close to the characteristics of water

Performance

Speed range:2900rpm

Fluid temperature range:- -10℃ -40℃

Max.Working pressure:40bar

Ambient Temperature

Permissible up to 40℃

Power

Single phase:1~240V/50Hz,50Hz

three-phase:380V~4 15V/50Hz,60Hz

Motor

Degree of protection:lP68

Insulation class: B

Construction Materials

Casing both of pump and motor, pump shaft:stainless steel

AISI304

Outlet and Inlet:bronze

Impeller and diffuser, non-return valve:thermoplastic

resin PPO

4.Accessories

Control switch, waterproof glue.

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Description1

MODEL		DN	Dimensions
Single phase 220-240V- 50Hz	Three phase 380-415V- 50Hz		Dimensions
			Length(mm)			Weight(kg)
			L1	L(S)	L(T)	G(S)	G(T)
4STM12/3	4ST12/3	1_1/4^"/1_1/2"/2"	396	740	740	10.6	10.6
4STM12/4	4ST12/4	1_1/4^"/1_1/2"/2"	452	811	796	11.8	11.0
4STM12/5	4ST12/5	1_1/4^"/1_1/2"/2"	508	887	887	13.1	13.1
4STM12/6	4ST12/6	1_1/4^"/1_1/2"/2"	564	963	943	14.4	13.4
4STM12/7	4ST12/7	1_1/4^"/1_1/2"/2"	620	1044	1034	15.9	15.4
4STM12/8	4ST12/8	1_1/4^"/1_1/2"/2"	676	1125	1090	21.3	15.8
4STM12/10	4ST12/10	1_1/4^"/1_1/2"/2"	819	1321	1268	23.9	18.3
4STM12/12	4ST12/12	1_1/4^"/1_1/2"/2"	931	1473	1433	-	21.7
-	4ST12/14	1_1/4^"/1_1/2"/2"	1043	-	1570	-	23.7
-	4ST12/16	1_1/4^"/1_1/2"/2"	1155	-	1707	-	25.8
-	4ST12/18	1_1/4^"/1_1/2"/2"	1298	-	1885	-	28.2
-	4ST12/20	1_1/4^"/1_1/2"/2"	1410	-	2032	-	30.6
	4ST12/23	1_1/4^"/1_1/2"/2"	1578	-	2256	-	33.9
	4ST12/26	1_1/4^"/1_1/2"/2"	1745	-	2463	-	36.9
	4ST12/29	1_1/4^"/1_1/2"/2"	1944	-	2712	-	40.6
	4ST12/32	1_1/4"/1_1/2"/2"	2143	-		-	41.8

Performance chart n≈2850rpm

MODEL		P2		DELIVERY n≈2850 l/min
1~ 220V/240V	3~ 380V/415V	kW	HP	m³/h	0	1.8	3.6	5.4	7.2	9.0	10.8	12.6	14.4	16.2
1~ 220V/240V	3~ 380V/415V	kW	HP	I/min	0	30	60	90	120	150	180	210	240	270
4STM12/3	4ST12/3	0.75	1	Head (m)	19	18	17	16	15	13	12	9	7	4
4STM12/4	4ST12/4	0.75	1		25	24	23	21	20	18	15	13	8	5
4STM12/5	4ST12/5	1.1	1.5		31	30	29	27	25	22	19	16	12	6
4STM12/6	4ST12/6	1.1	1.5		37	36	34	32	29	26	23	19	14	8
4STM12/7 4STM12/8	4ST12/7	1.5	2		44	42	40	37	34	31	27	22	16	9
4STM12/7 4STM12/8	4ST12/8	1.5	2		50	48	46	43	39	35	31	25	19	10
4STM12/10	4ST12/10	2.2	3		63	60	57	53	49	44	38	32	23	13
4STM12/12	4ST12/12	2.2	3		75	72	69	64	59	53	46	37	28	15
-	4ST12/14	3	4		88	84	80	75	69	62	54	44	33	18
-	4ST12/16	3	4		101	96	92	86	79	71	62	51	38	21
-	4ST12/18	4	5.5		113	108	103	96	88	79	69	57	42	23
-	4ST12/20	4	5.5		126	120	114	107	98	88	77	63	47	26
-	4ST12/23	5.5	7.5		144	138	132	123	113	101	88	73	54	29
-	4ST12/26	5.5	7.5		163	156	149	139	128	115	100	82	61	33
-	4ST12/29	7.5	10		182	174	166	155	142	128	111	92	68	37
-	4ST12/32	7.5	10		201	192	183	171	157	141	123	101	75	41

A 4" mechanical seal is a type of sealing device that is used to prevent the leakage of fluids or gases from a system. It is typically used in conjunction with a pump, such as a 4" submersible pump, to help prevent leakage from the pump housing. The seal consists of two main components: a stationary element and a rotating element. The stationary element is typically made of a durable material, such as ceramic or carbon, and is attached to the pump housing. The rotating element is made of a softer material, such as rubber or a polymer, and is attached to the shaft of the pump. When the pump is in operation, the rotating element of the seal rotates with the shaft and creates a seal between the stationary element and the shaft, preventing leakage.

The dimensional accuracy of a 4" mechanical seal refers to the precise dimensions of the seal, which are critical for ensuring that the seal functions properly. A seal with high dimensional accuracy will fit snugly into the pump housing and shaft, creating a tight seal and reducing the risk of leakage. A seal with low dimensional accuracy may not fit properly, resulting in poor sealing performance and potentially causing damage to the pump.

Mechanical seals are used to seal the rotating shaft of a pump to the stationary housing, preventing the pump from leaking water or other fluids. They are an important component in the operation of submersible pumps, as they help to ensure that the pump is able to operate efficiently and effectively.

Mechanical seals are typically made from high-quality materials such as ceramic, carbon, and stainless steel, and are designed to withstand the high pressures and temperatures that are often encountered in pump applications. High dimensional accuracy is an important feature of mechanical seals, as it helps to ensure that the seal fits properly and functions as intended.

If you have a 4" submersible pump and you need to replace the mechanical seal, it is important to select a high-quality seal that meets the dimensional requirements of your pump. It is also recommended that you follow the manufacturer's instructions for installation and maintenance to ensure optimal performance of your mechanical seal.

Performance chart n≈2850rpm

MODEL		P2		DELIVERY n≈2850 l/min
1~ 220V/240V	3~ 380V/415V	kW	HP	m³/h	0	1.8	3.6	5.4	7.2	9.0	10.8	12.6	14.4	16.2
1~ 220V/240V	3~ 380V/415V	kW	HP	I/min	0	30	60	90	120	150	180	210	240	270
4STM12/3	4ST12/3	0.75	1	Head (m)	19	18	17	16	15	13	12	9	7	4
4STM12/4	4ST12/4	0.75	1		25	24	23	21	20	18	15	13	8	5
4STM12/5	4ST12/5	1.1	1.5		31	30	29	27	25	22	19	16	12	6
4STM12/6	4ST12/6	1.1	1.5		37	36	34	32	29	26	23	19	14	8
4STM12/7 4STM12/8	4ST12/7	1.5	2		44	42	40	37	34	31	27	22	16	9
4STM12/7 4STM12/8	4ST12/8	1.5	2		50	48	46	43	39	35	31	25	19	10
4STM12/10	4ST12/10	2.2	3		63	60	57	53	49	44	38	32	23	13
4STM12/12	4ST12/12	2.2	3		75	72	69	64	59	53	46	37	28	15
-	4ST12/14	3	4		88	84	80	75	69	62	54	44	33	18
-	4ST12/16	3	4		101	96	92	86	79	71	62	51	38	21
-	4ST12/18	4	5.5		113	108	103	96	88	79	69	57	42	23
-	4ST12/20	4	5.5		126	120	114	107	98	88	77	63	47	26
-	4ST12/23	5.5	7.5		144	138	132	123	113	101	88	73	54	29
-	4ST12/26	5.5	7.5		163	156	149	139	128	115	100	82	61	33
-	4ST12/29	7.5	10		182	174	166	155	142	128	111	92	68	37
-	4ST12/32	7.5	10		201	192	183	171	157	141	123	101	75	41

Related Products

Zhejiang Bowei Pump Co., Ltd.

Zhejiang Bowei Pump Co.,Ltd. is one of the large factories specialising in manufacturing deep well submersible pumps located in Taizhou city, Zhejiang province, China, with more than 90,000 square meters area and 600,000 pieces for annual production capacity. As custom 4"STM12 Mechanical Seal With High Dimensional Accuracy 4" Submersible Pump suppliers, we possess advanced techniques, an advanced production line and the testing equipment, with numerous excellent engineers, managers and workers. Relying on technical excellence, good-quality staff, scientific management and advanced production equipment, we constantly market with the better quality and the lower price to prioritise customers' needs. We enjoy a high reputation in both domestic and overseas markets.

We have passed ISO9001, CE, and ROHS authentication and safety, the quality authentication, and we still adhere to the tenet: credit + quality + technology = enterprise life. As 4"STM12 Mechanical Seal With High Dimensional Accuracy 4" Submersible Pump factory, we sincerely invite you to negotiate business with us with good prestige and enthusiastic service.

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