1, Type: Circular, square, elliptic
Manhole covers, sanitary manhole cover, sanitary grade manhole cover
Sanitary Circular type manhole cover(stainless steel manhole, man way)
1, Type: Circular, square, elliptic
2, with pressure or without pressure
3, Material quality: AISI304, AISI316L
Fineness: Inner surface mechanical Polish Ra<0.4-0.8um
Our surface gloss polished or dull polished Ra<0.8um
Manhole covers, sanitary manhole cover, sanitary grade manhole cover
Wenzhou Haiyu Stainless Steel Equipment Factory is a manufacturer of stainless steel liquid equipment and collects research, development, production, distribution and after sales service together.
The main products we make at present are as follows: Sanitary grade manhole cover series, sanitary grade pipe fitting series, sanitary grade butterfly valve series and sanitary grade ball valve series. All these products are made of SUS304 and SUS316L materials according to ASTM 433 standard. The materials of seals that we use are QS, EPDM, PTFE and others. They have high strength and corrosion resistance. The standards we adopt are ISO, DIN, GB, IDF and 3A.
Haiyu's tenet is adhering to survival on quality. We fetch in CNC machines from Japan. It makes each HAIYU product go on the forefront of our line and shortens the quality gap between imported equipment and our fittings.
Haiyu will fasten the pulse of the times and advance with the world. We insist on developing new products, researching new technologies and providing services for partners in pharmaceutical, dairy products, beverage and other industries.
