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Rotary, Curtis, Joyce Lifts, Non-Locking Air Control Valve Kit


Availability : IN STOCK

Non-locking air control valve kit for 1-post, semi-hydraulic in-ground Rotary, Curtis and Joyce lifts


Kit includes:

  • One (1) non-locking air control valve, equivalent to Conrader K85963
  • One (1) exhaust muffler
  • One (1) 1/2″ NPT street elbow

Valve features three 1/2″ NPT ports:

  • Side air inlet from the air compressor line 
  • Bottom outlet to the cylinder 
  • Side port for the exhaust muffler 

Product was made by Conrader in the USA by American workers.  

Purchasing Recommendation

Purchase this combo kit, which includes the valve, muffler, and fitting instead of buying each item individually and SAVE 14%! 

Is your exhaust muffler in good shape? You may replace only your non-locking air valve separately. Product is in stock!

Shipping Info 

  • Free ground shipping to the contiguous 48 states.
  • Customers in Alaska, Hawaii, Puerto Rico, Canada and any location with a USPS ZIP, please call us for a shipping quote at (331) 442-9154.
  • Cable in this listing are in stock and ship the same day if payment is received prior to 2:45 pm CST Monday-Friday.

Compatible Lift(s) 

Semi-hydraulic, 1-post in-ground lifts by Rotary, Curtis and Joyce

Quantity :


Product-Lift Compatibility Notes 

Non-locking air control valve and muffler for 1-post semi-hydraulic in-ground lifts by Rotary, Curtis and Joyce

Quick Guide:

Which control valves does your lift need? 

Semi-hydraulic Lift

  • Air valve: non-locking
  • Oil control valve: none
  • Method of raising and lowering the lift:
    As a safety precaution, the operator is required to hold down the handle during this process

Full-hydraulic Lift

  • Air valve: locking
  • Oil control valve: yes
  • Method of raising and lowering the lift:
    The operator simply activates the oil control valve.

Sales Tax

Illinois customers are subject to 7.25% sales tax.


Not sure what you need? Please call our product experts at (331) 442-9150. We’re happy to help!

Would you like an expedited shipping quote? Please call customer service at (331) 442-9154.