Value Collection ZMSCE70046 O-ring Dash 046 Epdm 70

Product Description

The VALUE COLLECTION ZMSCE70046 is an EPDM O-ring designed for static and dynamic sealing applications in plumbing, HVAC, and industrial fluid systems. It features a 4.25-inch inside diameter, a 4.375-inch outside diameter, and a 0.0625-inch cross-section thickness corresponding to Dash 046 sizing. The round cross-section profile seats reliably in standard grooves. With a durometer hardness of 70, this O-ring provides firm sealing under compression. Ethylene Propylene Diene Monomer construction gives it strong resistance to hot water, steam, and phosphate ester hydraulic fluids. Licensed plumbers, HVAC technicians, and hydraulic system mechanics are the primary installers. Each package contains 10 O-rings.

This O-ring is suited for residential and commercial applications involving hot water lines, steam systems, and phosphate ester hydraulic circuits. It performs across a wide service temperature range of -65 degrees F to 300 degrees F, making it appropriate for boiler connections, steam fittings, and high-temperature water system seals. It also carries recognized compatibility with Skydrol fluids used in commercial aircraft hydraulic systems, extending its usefulness to aerospace maintenance environments. Wherever a Dash 046 EPDM O-ring is specified, this part fills that requirement.

Key Features

• EPDM material provides excellent resistance to hot water, steam, and phosphate ester hydraulic fluids
• Dash 046 standard sizing: 4.25 inches ID, 4.375 inches OD, 0.0625 inches thick
• 70 durometer hardness rating for firm, reliable compression sealing
• Wide operating temperature range: -65 degrees F to 300 degrees F
• Round cross-section for consistent groove fit and seal integrity
• Compatible with Skydrol fluids used in commercial aircraft hydraulic systems
• Sold in a 10-pack to support multi-seal jobs and service stock

Compatibility

Compatible sealing media include hot water, steam, and phosphate ester type hydraulic fluids. Also noted as compatible with Skydrol fluids used in commercial aircraft hydraulic systems. Designed as a standard Dash 046 replacement O-ring for any system specifying EPDM at this cross-section size.

Installation Notes

Licensed plumbers and HVAC or hydraulic technicians should depressurize and drain the system completely before replacing any O-ring seal. Inspect the groove for scoring, corrosion, or debris prior to seating the new ring. Do not use petroleum-based lubricants with EPDM O-rings; use a compatible silicone or water-based lubricant if lubrication is required during installation. Follow applicable codes such as IPC or IFGC for plumbing and gas system sealing procedures.