Jerguson 86 Series High Pressure Liquid Level Valves, Bolted Bonnet Safety Ballcheck Valves, OS&Y
Jerguson No. 86 Series liquid level valves are designed for use with flat glass gages, instrument piping and for other applications requiring a rugged valve in the higher pressure ranges. Standard construction with a spiral wound gasket between bonnet and body is rated at 6,000 PSI and 100°F. When a Viton o-ring is used (No. 86-HO or 86-VO), this valve is suitable for pressure up to 10,000 PSI at 400°F. The No. 86 Series safety ballcheck valves are specifically designed for Jerguson 10,000 PSI Series 51 Flat Glass Gage. The OS&Y construction provides a steel yoke which supports the stem away from the body of the valve. The threads are thus outside the valve body and do not come in contact with process media.
Features
- When a Viton o-ring is used, this valve is suitable for up to 10,000 psi at 400ºF
- Designed specifically for use with Jerguson’s 10,000 psi Series 51 Flat Glass Gage
- OS&Y Backseating Stem: yoke supports the stem away from the valve body so the threaded portion of the stem is unaffected by the heat, and does not come in contact with process fluids
- The stem's backseating area allows repacking the valve under pressure
- Loose Knob, Backseating Stem: The disc on the stem is keyed and free rotating, assuring perfect seating and eliminates galling
- The seat may be removed or replaced using a standard 3/4" socket wrench
- The 86HO valve body is designed so the gage connection is offset 7/8’’ from the centerline of the vessel connection
