NKN-20/20B Mechanical Seal Replace Nikuni Pump Seal
PTFE Mechanical Seal for Nikuni KTM Pump
High-performance PTFE mechanical seals designed specifically for Nikuni KTM pump systems, offering reliable sealing solutions for various industrial applications.
Compatible Pump Models
- KTM20N
- KTM25N
- KTM32N
- KTM40N
- KTM50S1/S2/S3
- KTM65S2
- KTM80S
Technical Specifications
| Parameter |
Specification |
| Temperature Range |
-20ºC to 200ºC (dependent on elastomer) |
| Pressure Rating |
Up to 25 bar |
| Speed Capacity |
Up to 20 m/s |
| Sizes Available |
Standard |
| Face Materials |
Carbon, SiC, TC |
| Seat Materials |
SiC, TC |
| O-ring Options |
NBR, EPDM, VITON, Aflas, Kalrez, Chemraz |
| Spring Materials |
SS304, SS316 |
| Metal Parts |
SS304, SS316 |
Operating Parameters
- Sealed chamber pressure: 0-1.2MPa
- Sealed chamber temperature: -30ºC to 180ºC
- Linear speed: ≤10m/s
- Compatible media: water, sewage, oil, and corrosive liquids
Product Features
- Complies with DIN24960 standards
- Shaft diameter range: 25mm to 80mm (custom sizes available)
- ISO9001:2008 certified manufacturing
- High quality with competitive pricing
Material Construction
- Rotating surface: silicon carbide, graphite, tungsten carbide alloy
- Fixed surface: silicon carbide, tungsten carbide alloy
- Secondary seal: NBR, EPDM, PTFE, FFKM
- Springs and metal parts: SS, SS304, 316, 316L, HAST.B, C
Application Industries
- Chemical pumps
- Oil pumps
- Water and wastewater treatment
- Pulp and paper industry
- Sugar industry
- Industrial pumps
Frequently Asked Questions
Are you a factory or trading company?
We are a factory specializing in mechanical seal production with dedicated international marketing and domestic market operations.
What is the payment term?
We accept T/T, Moneygram, and Western Union for your convenience.
What is the delivery term?
Stock items ship within 48 hours. Standard seals with parts stock take about 1 week. Custom items are quoted individually.
Could you offer samples?
Yes, samples are available with freight charges paid at your destination.
How is the packaging?
We offer color box or white blank packaging. For larger quantities, we can use your logo with proper authorization.
Can you make customized products?
Yes, we specialize in customized mechanical seals. Please provide your pump type or international seal code for identification.