Mechanical seal P

Mechanical seal for sealing of media with high amount of solid particles, high viscosity or when parts tend to stick together.
The mechanical seal may be adapted for sterile applications by manufacturing smooth surfaces and avoiding of clearance volumes.

Design Features

Operating Limits

Materials

• Balanced
• Independent direction of rotation
• Spring outside of product
• Easy to clean
• Additional wiper prevents
   sticking together
   (Type P1A21 / P3A21)
• Easy mounting
   by preassembled unit
• Mounting space according
   to DIN EN 12756
• Disengagement prevented
   (Type PA21 / P2A21)

Pressure:

Temperature:

Sliding speed:

up to 25 bar ( 365 psi)
external pressure
-50° to +280°C
(-58° to +535 ° F)
up to 20 m/s (4.000 FPM)

Standard seal face combination:

Carbon vs. Silicon Carbide, Carbon vs. Tungsten Carbide, Silicon Carbide vs. Silicon Carbide

O-Rings:

NBR, FKM, EPDM, FFKM

Other parts:

CrNiMo-Steel

Other materials upon request

Designation of parts PA21 / P1A21 / P2A21 / P3A21	Position
Stationary seal ring O-Ring of stationary seal ring Rotary counter face seal ring O-Ring of rotary counter face seal ring Spring Carrier O-Ring for carrier Set screw Wiper (P1A21 / P3A21)	1 2 5 6 7 8 8D 9 C

	PA21 / P1A21 / P2A21 / P3A21

	PA21 / P1A21 / P2A21 / P3A21

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Mechanical seal P

Mechanical seal for sealing of media with high amount of solid particles, high viscosity or when parts tend to stick together. The mechanical seal may be adapted for sterile applications by manufacturing smooth surfaces and avoiding of clearance volumes.

Mechanical seal for sealing of media with high amount of solid particles, high viscosity or when parts tend to stick together.
The mechanical seal may be adapted for sterile applications by manufacturing smooth surfaces and avoiding of clearance volumes.