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Knowledge Base

Blogs Expert guidance and the latest news and trends.

Technical Specs All the information you need on APG products and services.

Catalogs Download our latest catalog files for offline viewing.

Customer Drawings: Couplings Download the technical drawings for APG's industrial coupling products.

image of 2 men standing in front of an Ever-Tite display for hose couplings

APG: Pioneering American Excellence in Coupling Solutions Since 1933

For over 90 years, American Packing & Gasket (APG) has stood at the forefront of coupling innovation, setting industry standards with its commitment to quality, performance, and American manufacturing.

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Products

O-Rings

View All O-Rings

Materials

Buna (Nitrile)
Fluoroelastomer (Viton/FKM)
Aflas
EPDM
PTFE
Urethane
Silicone
HNBR
Teflon Encapsulated Silicone
Teflon Encapsulated FKM

O-Rings

O-Ring Kits
Bagged O-Rings
Bulk O-Rings
Metric O-Rings
O-Ring Accessories
O-Ring Cord

Specialty O-Rings

FDA - Metal Detectable
Fasteners & Thread Seals
Backup Rings
Square & Quad Rings

Basic 8 Coupling

Industrial Couplings

View All Industrial Couplings

Materials

Aluminum Couplings
Brass Couplings
Stainless Steel Couplings
Poly-Glass Couplings
Nylon Couplings

Brand

Ever-Tite Products
Tough-Tite Products
U-Tite Products

Industrial Coupling

Basic 8 - Cam & Groove
Adapter - Reducer
Combination Nipples
Sleeves & Ferrules
Butt - Socket Weld
Assembly

Basic 8 - Cam & Groove

Type A
Type B
Type C
Type D
Type DC (Dust Cap)
Type DP (Dust Plug)
Type E
Type F

Accessories

Pressure & Water Gauges
Worm Drive Hose Clamps
Coupling Accessories

Various seals in several styles and colors

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Tubular Gauge Glass
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Annular Glass
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Accessories

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Industrial plastics

Sandblast Lenses
Blast Cabinet Underlayment
Respirator Cover Lenses
Sheet Plastic

Personal protective equipment

Replacement Visors
PPE Headgear

Rolls & Sheets

View All Rolls & Sheets

Full Rolls

Full Rolls

Gasket Sheet

Gasket Sheet

Tools & Fasteners

View All Tools & Fasteners

Fasteners

Fasteners

View All Products

Knowledge Base

Blogs Expert guidance and the latest news and trends.

Technical Specs All the information you need on APG products and services.

Catalogs Download our latest catalog files for offline viewing.

Customer Drawings: Couplings Download the technical drawings for APG's industrial coupling products.

image of 2 men standing in front of an Ever-Tite display for hose couplings

APG: Pioneering American Excellence in Coupling Solutions Since 1933

For over 90 years, American Packing & Gasket (APG) has stood at the forefront of coupling innovation, setting industry standards with its commitment to quality, performance, and American manufacturing.

Contact Us

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Knowledge Base

Explore informative blogs articles about the packing and gasket industry, APG and the products we manufacture.

All Topics O-Rings Getting To Know Gaskets Materials Nitrile Oil

PTFE Silicone Fluoroelastomer Manufacturing Temperature Vulcanizing Buna Conveyance Products Couplings History Industry Rubber Viton® Aflas Ethylene Propylene Fluid Sealing Sealing Cam & Groove Camlock Chloroprene EPDM Glass Hydraulic Neoprene Pump Packing Safety Sight Glass Skydrol® Spiral Wound Gasket Stainless Steel Aluminum Annular Glass Aviation Basic 8 Couplings Brass Chemicals Colors Company Damage Durometer Elastomers Ever-Tite Fluorosilicone Food Safety Gauge Glass Graphite Loaded Lip Seals Plastics Polyurethane Shore Tubular Glass Warehouse Weather Acrylic Back-up Rings Carbon Carbon Steel Ceramic Crimp Sleeves Downtime Extrusion FDA Face Shields Failure Ferrules Flax Gauges Hardening Hardness ISO 9000 Certification Installation Material Facts Metal Detectable Nibbling O-Ring Cord PPE Packing Shore A Sureband Sureband clear Sureband steel Titanium U-Cup Seals Urethane

two damaged o rings that show signs of wear

O-Rings Nibbling Hardening

April 1, 2021

Common Causes of O-Ring Failure

If you recently replaced an O-ring that you think should have had plenty of life left, you are not alone. There are many reasons that O-rings fail...

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