Spring loaded valves products available include 5/8" diameter 3 1/4" long copper check valves featuring spring loaded ball, multi-position mountable, 3000 psi burst pressure and 1/2" connection. Spring load ball valves are also available in 1/2" and 1.13" diameters.

Pneuline Supply Inc. offers metal and plastic spring loaded ball valves. Plastic spring loaded ball valves are available in 1/8" to 3/8" bard styles as well as 1/8" to 1/4" NPT from materials such as PVC. Metal spring loaded valves include brass or stainless steel check valves as well as NPT compression check valves.

MSC Industrial Supply offers pneumatic spring loaded return actuated ball valves featuring 1 1/2" threaded pipe size, brass construction and reinforced PTFE seal material.

Sharpe Valves offers metal seated spring loaded ball valves in 3 seating configurations. Features include carbon or stainless steel construction, TFE or Grafoil seals, extended stems, leak detection stems, lockable extended stems and sizes ranging from 1/4" to 12".

Ball valve products offered include those that are loaded by beveling springs, with additional features including blowout proof stems, locking mechanisms and mounting brackets. Additional valve products are also available.

Available products include spring loaded ball valves ranging in size from 1/4" to 4" with features such as full port, 3 piece stainless steel construction as well as quarter turn rotation operation, high cycle stem design, integrated mounting pads, PTFE or RPTFE seating material, and actuator or manual operation.

Ball valves offered include those using spring-loaded heavy duty seatings. Additional ball valve features include separable or integral flanges and sizes ranging from 1" to 16".