M3N

REPLACEMENT：

EagleBurgmann Type M3N series

Conical Spring, 'O' Ring mounted seal with a choice of face materials.Suitable for a large variety of general duties and arduous duty applications needing high PV value face combinations.

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Materials

Rotary Ring: CAR / SIC / TC
Stationary Ring: CER / SIC / TC
Secondary Seal: VIT / EP / NBR
Spring and Metal Parts: SUS304 / SUS316

Operational Conditions

Temperature: -30℃ to +200℃
Pressure: ≤1.2MPa
Speed: ≤20m/s

Size

UMS STANDARD SIZES

Metric Shaft Size D	Size Code	D1	D2	D3	L1	L2	L3	L4	L5
10	0100	21.00	17.00	19.00	15.50	10.00	5.50	3.00	5.00
12	0120	23.00	19.00	21.00	16.00	10.00	5.50	3.00	5.00
14	0140	25.00	21.00	23.00	16.50	10.00	5.50	3.00	5.00
16	0160	27.00	23.00	26.00	18.00	10.00	5.50	3.00	5.00
18	0180	33.00	27.00	29.00	19.50	11.50	7.00	3.00	5.00
20	0200	35.00	29.00	31.00	22.00	11.50	7.00	3.00	5.00
22	0220	37.00	31.00	33.00	21.50	11.50	7.00	3.00	5.00
24	0240	39.00	33.00	35.00	23.50	11.50	7.00	3.00	5.00
25	0250	40.00	34.00	36.00	26.50	11.50	7.00	3.00	5.00
28	0280	43.00	37.00	40.00	26.50	11.50	7.00	3.00	5.00
30	0300	45.00	39.00	43.00	26.50	11.50	7.00	3.00	5.00
32	0320	48.00	42.00	46.00	28.50	11.50	7.00	3.00	5.00
35	0350	50.00	44.00	49.00	28.50	11.50	7.00	3.00	5.00
38	0380	56.00	49.00	53.00	33.50	14.00	8.00	4.00	5.00
40	0400	58.00	51.00	56.00	36.00	14.00	8.00	4.00	5.00
43	0430	61.00	54.00	59.00	38.50	14.00	8.00	4.00	5.00
45	0450	63.00	56.00	61.00	39.50	14.00	8.00	4.00	5.00
48	0480	66.00	59.00	64.00	46.00	14.00	8.00	4.00	5.00
50	0500	70.00	62.00	66.00	45.00	15.00	8.50	4.00	5.00
53	0530	73.00	65.00	69.00	47.00	15.00	8.50	4.00	5.00
55	0550	75.00	67.00	71.00	49.00	15.00	8.50	4.00	5.00
58	0580	78.00	70.00	76.00	55.00	15.00	8.50	4.00	5.00
60	0600	80.00	72.00	78.00	55.00	15.00	8.50	4.00	5.00
65	0650	85.00	77.00	84.00	55.00	15.00	8.50	4.00	5.00
68	0680	90.00	81.00	88.00	55.00	18.00	9.50	4.00	5.00
70	0700	92.00	83.00	90.00	57.00	18.00	9.50	4.00	5.00
75	0750	97.00	88.00	98.00	62.00	18.00	9.50	4.00	5.00
80	0800	105.00	95.00	100.00	61.80	18.20	10.00	4.00	5.00

In modern industrial applications, reliable sealing is essential for improving equipment efficiency and preventing fluid leakage. O-ring pusher mechanical seal is designed for pumps and rotating equipment, providing excellent sealing performance, durability, and operational stability. Its advanced structure helps industries maintain continuous production while reducing equipment failure risks.

With strong wear resistance, pressure adaptability, and flexible operation, O-ring pusher mechanical seal performs well in demanding environments. The O-ring design ensures effective compensation for wear and vibration, helping solve common problems such as leakage, frequent maintenance, and unexpected downtime. This makes O-ring pusher mechanical seal a trusted choice for chemical, petrochemical, and manufacturing industries.

For example, a chemical processing company installed O-ring pusher mechanical seal in its pump system to improve sealing reliability. The application reduced leakage issues, extended equipment service life, and improved production efficiency. This case demonstrates how effective sealing technology creates long-term value for industrial users.

Choosing high-quality O-ring pusher mechanical seal allows businesses to achieve safer operation, lower maintenance costs, and better equipment performance. It is an ideal sealing solution for industries seeking reliable, durable, and efficient mechanical protection.

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mechanical seals

single spring seals

conical spring seals

component mehchanical seals

eagleburgmann mechanical seals

o-ring pusher mechanical seals

shaft mechanical seals

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