But most of stretchers are use 200mm central lock casters, Why? Generally below 2 reasons decided the stretcher must use 200mm diameter wheels.

   1.Emergency stretcher need work in outdoor that's need wheel have bigger diameter to ensure it's have better Passing Ability

   2.In outdoor the stretcher caster wheels need face rough and uneven ground & sometimes need move in high speed,That's need wheel have better function on impact resistance.

    Our stretcher caster wheels adopt high strength metal bracket frame with high quality white color shell .Plus high quality precision mute bearings. Beside of this central lock mechanism allow people can operate whole 4 wheels brake easy at same time.

   Our 200mm central locking stretcher caster wheels, adopt steel bracket,polyamide core and German origin polyurethane tread. High quality,durable,noise less.

Both series can be with Ø32 x 50mm stem or Ø28 x 97.5mm Stem.With 30 or 45 degree lock cam. And user have to check lock pedal to see when lock pedal on balance/neutral position the hex hole angle is same as A or B angle..... Then select the correct lock cam degree casters accordingly.

-------Lock cam angle on Balance /Neutral position.

How to select central locking caster wheels lock?

As we know One bed will have 4 pc casters.How to match central locking caster wheels? Before talk about this we should know the difference of central lock.At current we have 3 type of locks.

* 2 step 30/45 degree Lock Cam--With x1 Neutral + x1 Total Locking =A

* 3 step 30/45 degree Lock Cam--With x2 Neutral + x1 Total Locking =B

* 3 step 30/45 degree Lock Cam--With x1 Neutral + x1 Direction lock + x1 Total Locking=C

The alignment of ONE bed of central locking casters need follow below 3 options.

1: 4 pc x A

2: 2 pc x B + 2 pc x C

3: 3 pc x B + 1 pc x C

4 :4 pc x C cannot work on ONE bed

The 2 standard size of Central lock stem is Ø32mm x 50mm and Ø28mm x 98.5mm.So now whatever you want purchase central brake casters for replacement or build new bed.Please follow above instruction.

Why choose our central locking caster wheels ?

Our central locking caster wheels series quality are same as current world famous brand casters. We know everyone will tell clients their quality are good. But we have confidence you will like our quality & design after see our samples. 

If anyone interested in our central locking casters, Please contact us freely. Wechat/Whatsapp : 0086-137 3645 4395