Whether you are replacing a standard damper clamp or upgrading an existing Belimo actuator

UV-resistant plastic

Ensure your equipment's voltage matches the valve specification to prevent coil failure

often cross-referenced as the Honeywell Q345A or Q345A-1818

the integral vent limiting orifice is designed to limit the escape of gas in the event of a diaphragm rupture

Honeywell 313745 Diaphragm Whether you are replacing aThe Honeywell 313745 Diaphragm is a high temperature replacement component designed specifically for 5 inch diameter MP953 pneumatic actuators. Engineered for MP953A, MP953C, and MP953E series valve actuators, this replacement part ensures reliable pressure regulation and stroke precision in demanding HVAC environments. Utilizing high grade elastomers capable of withstanding elevated temperatures, the Honeywell 313745 maintains its structural