الوصف

Acetylene Cylinder Valves, Pressure Seal, Hand-wheel Operated, .**5"- *4 NGO RH Ext. - Commercial
Key Features & Benefits • Durable forged brass body, precisely machined internal components and design elements meet the most stringent international valve performance standards • High-temperature aluminum alloy handwheel with large drainage holes • **0% helium leak tested • Designed with low-torque operation for easy hand use • Durable lower plug made of tough naval brass resists wear • Precise quality machining results in exceptional finishes for low-torque sealing • Metal-to-metal seal below bonnet threads prevents pressure accumulation at top of valve body • High durometer back-up ring prevents extrusion of O-ring in extreme applications • Peroxide curing of elastomeric seals enhances valve longevity • Direct drive stem design with optimized single O-ring seal reduces friction and operates at exceptionally low torque levels