• Prevents leakage of hydraulic fracturing fluids from hammer union connections used on manifolds and hose assemblies.
• Hammer union caps and plugs can be used in pressurized service or as dust caps/plugs on site or when transferring equipment.

• Iron bull plug to ASTM standards
• O-ring is Nitrile Rubber (O347BU)

Blanking cap, includes nut/plug body, o-ring and retaining ring

• Forged steel construction ensures longevity, reliability and performance
• Low profile design for tight applications
• Designed with reusable bull plug to rebuild cap

Forged steel meets AISI standards

• Used with Grade 8 carbon steel bolt (HUBT716X100)
• Used with Grade 30 steel bolt chain (HUCH20CS)