亚洲美女香蕉视频在线

National order hotline: 0577-86819338

Current position/ home page  /  Product Center  /  Manhole

Manhole

Small square manhole

Release time: October 23, 2017
 Small square manhole

Small square manhole is generally made of 304316l stainless steel plate or carbon steel. The manhole has the advantages of constant pressure discharge, constant pressure suction, flexible opening and closing, safe fire prevention, compact structure, good sealing performance, safety and reliability.


Specification parameters of small square manhole:

Material: 304 (1.4301)

Internal surface treatment: 0.8 μ m-0.4 μ M

External surface treatment: mirror polishing, Matt, sandblasting.

Sealing material: silica gel, EPDM, NBR, fluororubber conforming to fda177.2600;

Access: through manhole, three-way manhole, four-way manhole and inclined manhole.


Explain the working principle of manhole in detail

Related information

0577-86819338

Monday to Friday 8:0-18:00 contact information
Zhejiang Zhangda Light Industry Machinery Factory

Address: NO.678, Binhai 5th Road, Wenzhou Economic and Technological Development Zone, Zhejiang Province

Company order hotline: 0577-86819338 / 86991989

Fax: 133828538

Email: chinazhangda@vip.163.com

Scan QR code + add wechat

Mobile phone station