Mechanical Seals

Style 58

Stationary design for maximum face alignment
Robust and reliable seal face drive
Hydraulically balanced
Dynamic O-Ring moves to a clean surface
Springs located out of product to prevent clogging and hang up
Rugged high pressure construction
API compliant with piloted gland to positively center seal assembly and metal to metal confined gland gasket which prevents blow out or extrusion of the gland packing.
Gland with flush, quench and drain connections with a throttle bushing, for added safety.
Carbon floating bushing option available
API 682 Type A Arrangement 1 available
Multi point injection feature available which ensures maximum uniformity of cooling around the entire circumference of the sealing faces, thus eliminating face distortion due to uneven cooling. Ideal for Boiler Feed and Light flashing Hydrocarbon services.
Thicker cartridge sleeve construction to eliminate distortion due to tightening of set screws.
Gland NPT connections ½ NPT for process side and 3/8 NPT for atmospheric side to help prevent improper piping assembly.

Faces
Premium Grade Antimony Impregnated Carbon;
Nickel Bound Tungsten Carbide;
Silicon Carbide

Elastomers -
Viton®, Ethylene Propylene, Aflas®, Buna, Neoprene, Perfluorelastomers

Metal Parts - 316 / 17-4 Stainless Steel
Other options available:
Duplex Stainless Steel, Hastelloy C276

Springs
Hastelloy C276