4620P John Crane Seals ISO9001 Mixer Dual Pressurized Mechanical Seal
John Crane Type 4620P Dual Cartridge Mechanical Seal for Pumps Mixer and Agitators
Type 4620P O-Ring Pusher Seal
Compact, General-duty, Dual Cartridge O-ring Seal with Pumping Ring
The Easiest Cartridge Seal Solution
The Type 4620P dual cartridge seal, available off the shelf the world over, brings a new era of affordability to fluid sealing with assured dependability. It's the complete solution for sealing satisfaction in general industrial applications. This compact, single cartridge seal gives customers the best value for their sealing investment without compromise!
The Type 4620P meets key industry pump standards and is designed to permit use in rotating shaft equipment including ANSI/DIN pumps, close-coupled pumps, vertical pumps and similar rotating shaft equipment.
Features
- Dual seal arrangement — incorporates an elastomer O-ring as the dynamic secondary sealing member
- Inboard primary and mating ring reverse balance design allows for ID or OD pressurization, permitting the dual seal to operate as an unpressurized tandem or pressurized double seal
- Pumping ring is standard — no extra cost
- No extra inventory to carry
- Flow-optimized design with integral pumping ring arrangement
- Tangential piping ports
- Increased cooling flow and face lubrication, greatly extending seal life
- Cartridge design with factory-preset and pressure-tested assembly
- The only dual cartridge design with a centering ring eliminating need for external setting clips
- Eliminates potential assembly and installation errors
Performance Capabilities
| Temperature Limits | 266°F/130°C |
|---|---|
| Pressure Limits | 220 psi(g)/15 bar(g) process pressure |
| Speed Limits | 3600 rpm |
| Size Limits | 1"/24mm to 5.500"/140mm |
| End play/axial float allowance | ±0.1mm |
| Brand | BESTSEAL |
| Face | Carbon, SiC, TC |
| Seat | Ceramic, SiC, TC |
| Elastomer | NBR, EPDM, FKM etc. |
| Spring | SS304, SS316 |
| Metal parts | SS304, SS316 |
| Packing | Individual packing ,1 pc in 1 small box is available as well |
| Recommended Applications |
Process pumps, Mixer and agitators, Other rotating equipment |
"15 years in mechanical seals.
we quote in 3 hours, deliver production drawing in 24 hours, and ship in 15–20 working days.
From 1 piece. Real-time tracking. Direct alternative to John Crane Type 4620P."
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