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Centrifugal Water Pump CNP Mechanical Seal ZS50/65/80/100 ZS-24/BSE4
Model Specifications
Model size
d
D
D1
L
L1
ZS-24
24
39
39
35
10
ZS-32
32
48
46.6
51
9
Product Overview
ZS-24/BSE4/BSF4, ZS-32(NG-32)/BSE4/BSF4 Mechanical Seals for CNP Pumps
Compatible Pumps
ZS50-32, ZS65-40, ZS65-50, ZS80-65 Horizontal single stage centrifugal pumps
Our seals are designed to replace original equipment manufacturer parts.
Available Sizes
20mm, 48mm, 65mm, 80mm, 90mm, 100mm
Material Composition
Face: SiC (Silicon Carbide) Seat: SiC (Silicon Carbide) O-ring: NBR, EPDM, VIT, Aflas, FEP, Kalrez, Chemraz, etc. Spring: SS304, SS316 Metal Parts: SS304, SS316
Technical Parameters
Parameter
Specification
Temperature
-30℃ ~ +200℃
Pressure
≤ 1.2 MPa
Speed
≤ 10 m/s
Medium
Water
Material Specifications
Component
Material
Rotary Ring
SiC/VIT
Stationary Ring
SiC/VIT
Spring
SUS304/SUS316
Stationary Seat
SUS304/SUS316
Secondary Seal
Fkm/EPDM
Rotary Ring Holder
SUS304/SUS316
Installation Preparation
Shaft Outside Diameter tolerance: ±0.05mm
Shaft run out: <0.1mm
Shaft end float: <0.13mm
No sharp edges on the shaft over the O-ring area
Important Note: During installation, avoid scratching or damaging the O-ring. If any component is damaged, contact us for replacement.
Installation Instructions
The complete cartridge seal set is cleaned and leak-tested before sale. To avoid damage, do not disassemble and clean parts again before installation.
The fitting allowance between seal and shaft is dl h6 0.8. Ensure there is a leading edge at the shaft end. The shaft outside diameter at screw position should be 0.1-0.2mm smaller to prevent over-tightening. Lubricate the shaft with oil.
Place the cartridge seal into the pump chamber, then:
Tighten four screw bolts of flanges, ensuring the medium leading hole "G" is at the top position
Tighten four set screws to position the shaft sleeve on the shaft
Remove four gauge plates (keep them for future installation and disassembly)
Connect the medium lead-in pipe with hole "G" to flush away friction heat and flush the seal chamber during pump operation
Final Check: After installation, turn the shaft by hand to verify smooth rotation. If the shaft does not rotate smoothly, the seal may have been improperly installed.
We are committed to cooperating with clients to supply high-quality products and services. We believe establishing long-term cooperative relationships is key to mutual success.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Year Established:
2002
Total Annual:
3000000-5000000
Employee Number:
50~80
Ecer Certification:
Verified Supplier
Guangzhou Yuemi Mechanical Seals Co., Ltd
Guangzhou Yuemi Mechanical Seals Co., Ltd. is a professional enterprise engaged in the design, development, manufacturing, and sales of various mechanical seals. We have complete production and testing equipment, and a high-quality workforce. It has f...
Guangzhou Yuemi Mechanical Seals Co., Ltd
Guangzhou Yuemi Mechanical Seals Co., Ltd. is a professional enterprise engaged in the design, development, manufacturing, and sales of various mechanical seals. We have complete production and testing equipment, and a high-quality workforce. It has f...