[Translation from Japanese to English ] We sent the 10K air valve to Company A to have it replaced. but it seems that...

Original text

私たちは交換のため10Kの空気弁（Air valve）をA社に送りましたが、正しいサイズは10Kではなく5Kだったようです。

私はマニュアルを参照して見積書をA社に提出しました。
なぜマニュアルには5Kではなく10Kの空気弁の図面があるのでしょうか？

納入された空気弁は、オーナーの要望により取り付け穴を加工して交換しました。

Translation / English

We sent the 10K air valve to Company A to have it replaced. but it seems that the correct size was not 10K but 5K.

We referred to the manual, and submitted the estimation document to Company A.
Why is there the drawing for 10K, not 5K?

The delivered air valve was replaced with an attachment hole based on the owner's request.

Translation / English

We sent an air valve of 10K to exchange to A, but the correct size was not 10K but 5K.

I referred to the manual and submitted the estimate to A.
I wonder why there is a drawing of air valve of not 5K but 10K in the drawing?

We exchanged the air valve delivered by processing the hole set requested by owner.

Translation / English

We shipped 10K air valve to A for replacement, however the correct size appears to be 5K but not 10K.

I referred to the manual and submitted the quote to A.
How come the 10K air valve is mentioned on the drawing in the manual in stead of 5K?

Regarding the delivered air valve, we have replaced by processing the assembly holes as per owner's request.

Translation / English

As I sent Air valve at 10K to replace to A company, it seemed that exact one would be 5K not 10K.
I submitted quotation to A company as referred with the manual.
Why there is written information for 10K not 5k for air valves in manual ?
Delivered valve was replaced by making a hole requested by owner.