Spring return valve handle arrangements

A spring return cartridge for a rotary actuated valve, the spring return cartridge comprising:

• a torsion spring having a spring-loaded intermediate portion extending between first and second end portions;
• and
• a spring carrier sleeved with the torsion spring and having a first portion rotationally fixed with the first end portion of the torsion spring, and a second portion rotatably coupled with the second end portion of the torsion spring, such that the second end portion of the torsion spring is rotatable with respect to the spring carrier, and with respect to the first end portion of the torsion spring, between first and second rotational limit positions, with the intermediate portion of the torsion spring biasing the torsion spring second end portion to the first rotational limit position and maintaining a spring-loaded condition in the first rotational limit position;
• wherein the second end portion of the torsion spring includes at least one fastener hole aligned with a corresponding slot in the second portion of the spring carrier, with a fastener installed in the fastener hole and extending through the slot to rotatably secure the second end portion of the torsion spring to the second portion of the spring carrier.

A spring return handle arrangement for assembly with a valve, the spring return handle arrangement comprising:

• a spring return cartridge comprising:
• a torsion spring having a spring-loaded intermediate portion extending between first and second end portions;
• and
• a spring carrier sleeved with the torsion spring and having a first portion rotationally fixed with the first end portion of the torsion spring and attachable to a valve body of the valve, and a second portion rotatably coupled with the second end portion of the torsion spring;
• a user graspable valve handle;
• and
• a stem secured with the spring return cartridge, the stem including an end portion attachable to the valve handle and a stem interlock portion configured to interlock with a spring interlock portion on the second end portion of the torsion spring;
• wherein the stem interlock portion comprises a radially extending annular shoulder on the stem and the spring interlock portion comprises a radially extending annular counterbore in the second end portion of the torsion spring, the annular counterbore receiving the annular shoulder for mating engagement therewith;
• and
• wherein the spring return handle arrangement further comprises a nut threadable with the stem end portion and configured to be tightened against the spring interlock portion to maintain interlocking engagement between the spring interlock portion and the stem interlock portion.