Internally threaded body and a retained bonnet closure

类似于 H2针座扼流圈, two configurations are available for H2I chokes:

• Positive chokes provide a fixed flow condition with a large selection of available bean sizes and types.
• Adjustable chokes provide variable flow rates, but can be locked into position if a fixed flow rate is required.

特性

• H2I chokes are available in 2-in and 3-in nominal sizes.
• Patented bleed screw assembly requires the operator to safely vent the body pressure before the bonnet assembly can be removed.
• Each body (positive or adjustable configuration) is equipped with a port for monitoring or venting pressure.
• Acme threads can be cleaned and inspected easily on both the bonnet assembly and body.
• Bleed screw assembly provides metal-to-metal sealing.
• Choke is designed and manufactured in accordance with API Spec 6A, including performance verification testing for PR-2 level chokes.
• 节流体是锻造的.
• Retained bonnet closure improves operator safety
• Operation and maintenance are easy.