Home > Products > Mechanical Seals > Metal Bellow Mechanical Seals
ZL 687 Mechanical Seals
  • ZL 687 Mechanical SealsZL 687 Mechanical Seals
  • ZL 687 Mechanical SealsZL 687 Mechanical Seals

ZL 687 Mechanical Seals

You can rest assured to buy ZL 687 Mechanical Seals from us. We look forward to cooperating with you, if you want to know more, you can consult us now, we will reply to you in time!

Send Inquiry

Product Description


ZL687 Metal Bellow Mechanical Seal for John Crane 680

Description:
ZL 687 Mechanical Seals
For big compressors and industrial pumps
Replacing the mechanical seal of John Crane 680

Operational Conditions:
Temperature: -75℃ to +200℃
Pressure: ≤2.0MPa
Speed: ≤23m/s

Materials:
Stationary Ring：TC, Silicon Carbide
Rotary Ring：Carbon ,Silicon Carbide,TC
Secondary Seal：NBR,EPDM,Viton
Bellows：Steel
Spring and Metal Parts：Steel

Applications:
Oil, light hydrocarbon,
aromatic Hydrocarbon,
organic solvents,
week acids,
ammonia



d  (inch) D3 L1
0.750 1.312 1.250
0.875 1.437 1.250
0.937 1.500 1.250
1.000 1.562 1.250
1.125 1.687 1.250
1.250 1.812 1.312
1.375 1.937 1.437
1.500 2.063 1.437
1.625 2.187 1.437
1.750 2.312 1.437
1.875 2.437 1.500
2.000 2.562 1.500
2.125 2.687 1.500
2.250 2.812 1.562
2.375 2.937 1.562
2.500 3.187 1.562
2.625 3.312 1.625
2.750 3.437 1.625
2.875 3.625 1.687
3.000 3.750 1.687
3.125 3.875 1.750
3.250 4.000 1.750
3.375 4.125 1.750
3.500 4.250 1.875
3.625 4.375 1.875
3.750 4.500 1.875
3.880 4.625 1.875
4.000 4.750 1.875

d (mm) D3 L1
18 32 27.7
20 33.3 27.7
22 36 27.7
24 38.1 30.2
25 39 30.2
28 42 32.7
30 44 32.7
32 46 32.7
33 47 32.7
35 49.2 32.7
38 52.4 34.2
40 55.6 34.2
43 58.7 34.2
45 58.7 34.2
48 61.9 34.2
50 65.1 34.7
53 68.3 34.7
55 71 34.7
60 74.6 39.7
65 84.1 39.7
70 87.3 45.2
75 95.3 45.2
80 98.4 44.7
85 104.8 44.7
90 108 49.7
95 114.3 49.7

Hot Tags: ZL 687 Mechanical Seals, China, Manufacturer, Supplier, Factory, Buy, Customized, Cheap

Related Category

O-ring Mechanical Seals

Elastomer Bellow Mechanical Seals

Double Face Mechanical Seals

PTFE Mechanical Seals

Metal Bellow Mechanical Seals

Mechanical Seals For Grundfos Pumps

Cartridge Mechanical Seals

Send Inquiry

Please Feel free to give your inquiry in the form below. We will reply you in 24 hours.

Related Products

whatsapp

X
We use cookies to offer you a better browsing experience, analyze site traffic and personalize content. By using this site, you agree to our use of cookies. Privacy Policy
Reject Accept