公开(公告)号：US20250116349A1

公开(公告)日：2025-04-10

申请号：US18901774

申请日：2024-09-30

Applicant: Repligen Corporation

Inventor： Anthony Mauricio Landi Adib ,  Patrick Lyng

IPC: F16K31/122 ,  F16K7/07

Abstract: The disclosure is directed to pneumatic actuator assemblies for reduced dead leg. In one approach, an assembly may include a valve body, and a first actuator and a second actuator each coupled to the valve body by a bonnet assembly. The bonnet assembly may include a bonnet body having a first end opposite a second end, wherein the first end is connected with the valve body, and a nut threadedly connected to the second end of the bonnet body. The bonnet assembly may further include an actuator bonnet, wherein the nut partially surrounds the actuator bonnet, and wherein the actuator bonnet is rotatable about a lengthwise axis extending through a center of a stem of a piston.