Welded Metal Bellow Mechanical Seal Types 715 John Crane Made in China, Metal Below Seal, Mechanical Seal

• Structure: Single End
• Pressure: ≦2.5MPa
• Speed: ≤20m/S
• Temperature: -20ºC-400ºC
• Standard: Standard
• Type: Standard SRS-SA
• Model NO.: SRS-609
• Balance: Unbalanced
• Transport Package: SRS Standard or Customised
• Specification: 30mm-100mm
• Trademark: SRS
• Origin: China
• HS Code: 8484200090
• Production Capacity: 50000PCS/Year

Product Description

 

Product Description

Suggested Operation Limits

Temperature: -20ºC-400ºC

Speed: <=20M/S

Pressure: <=2.5Mpa

Size: 30mm-100mm

 

Combined Material

Rotary Face: Carbon/SIC/TC

Stat Ring: SIC/TC/CER

Seat Type: Standard SRS-SA

This seal can replace with Johncrane type 609.

 

Design Features:

1. Edge-welded metal bellows

2. Elastomer-free design

3. Standard components

4. Available in single or dual cartridge arrangements

5. Available with double-ply bellows

 

Applications:

1. Aqueous solutions Aromatic

2. Fractionation products (benzene, toluene, solvents, etc.)

3. Crude oil fractionation products (fuel oil, lubricating oil, gasoline, etc.)

4. Heat transfer fluids

 

This type seal is ideal for heat transfer, hydrocarbon and other applications that commonly use pumps with limited seal chamber clearances. Typical applications include hot hydrocarbons, aqueous solutions, aromatic fractionation products, crude oil fractionation products and heat transfer fluids.

SIZE/METRIC	D1	D2	L	L1
1.000	38.90	41.28	44.45	11.1
1.125	42.10	44.45	44.45	11.1
1.250	45.20	47.63	44.45	11.1
1.375	49.20	50.80	44.45	11.1
1.500	54.00	53.98	50.80	11.1
1.625	57.15	60.33	50.80	12.7
1.750	60.33	63.50	50.80	12.7
1.875	63.50	66.68	50.80	12.7
2.000	66.68	69.85	50.80	12.7
2.125	69.85	76.20	50.80	14.3
2.250	73.03	79.38	50.80	14.3
2.375	76.20	82.55	50.80	14.3
2.500	79.40	85.73	50.80	14.3
2.625	82.60	85.73	50.80	15.9
2.750	92.10	88.90	57.15	15.9
2.875	95.30	95.25	57.15	15.9
3.000	98.40	98.43	57.15	15.9
3.125	101.60	101.60	57.15	19.8
3.250	104.78	104.78	57.15	19.8
3.375	110.30	107.95	57.15	19.8
3.500	113.50	111.13	57.15	19.8
3.625	116.70	114.30	57.15	19.8
3.750	119.80	117.48	57.15	19.8
3.875	123.00	120.65	60.33	19.8
4.000	126.2	123.83	60.33	19.8

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