[NM-P] except with window protective cover


We put a protective cover on the viewing window (sight glass) to be attached to the ferrule.
[NM] to except based on the window , it has been fitted with a sliding cover.

○ By attaching to the ferrule of the container or the like, you can check the status of the internal container.
○ when an impact is applied from the outside, it prevents the window is broken. It also prevents dust adhesion.
○ in the case from the inside of the container was cracked window takes pressure, to prevent it from scattering.

​Product Specifications

Window frame, protection cover spacer ... SUS304

Flat packing ... silicon rubber

Window ... heat-resistant tempered glass

Knurled knob ... SUS304

※ clamp band, ferrule gasket is sold separately.

Ferrule applicable size: 1.5S, 2S, 3S, 4S

Please contact us for other sizes.

Reference ​Dimensional Drawing


As a special order, it can be installed by, for example, changing the shape. Please tell customers of your request to the sales representative. It should be noted that the light with ferrule clamp band for light ( [LA] , [LC] ) There is also a way to use the.
Acrylic, etc., will be addressed in special order. In the past, it was produced even infrared window specification that the germanium and window material. Please contact us for more details.
Is it possible to manufacture the size of the non-line-up?
So you can respond depending on the size, please contact us.
Do you support a custom-made, such as the cover to the punching?
As you can see in the image list, you can punching in a special order. Please feel free to contact us also regarding other custom.
Can be installed (corresponding to the Fire Services Act) Is the sight glass in the No. 20 tank?
The judgment of Yashio fire department having jurisdiction over our region (Saitama Prefecture), use is possible. ※ Since the final will be the fire department of the judgment that has jurisdiction over the location of the No. 20 tank, please be sure to confirm.
Lights and wipers Do you attached?

Contact Us







It is our job, of course, to conduct in-depth meetings with our sales and manufacturing staff and to design and draft products.

Eighty percent of made-to-order products are completely made-to-order items, and drawing drawings for these custom-made products have a track record of 80,000 sheets so far.

There are many difficult requests, and they have been created through trial and error. They are all accumulated as our knowledge.