Complete specifications
The hand hole cover is divided into different models and specifications according to the specifications of the vibrating screen and different usage positions.Commonly used materials are rubber and silica gel.
Good sealing performance
The hand hole cover not only facilitates the observation of the material sieving, but also prevents the dust of the sieved material from overflowing and prevents external impurities such as dust and water from invading the interior of the equipment, which more effectively ensures the quality of the material.
Anti-oxidation
Silicone material has strong corrosion resistance, aging resistance and good oxidation resistance. The rubber material is of high quality and low price,durable.
Good flexibility
The hand hole cover is not easy to deform, more flexible and more elastic.
Food grade silicone material
Food-grade silicone material, suitable for vibrating screening equipment with high material requirements in food, pharmaceutical and other industries. Play a better protective effect on the material.
Easy to install
High fit with equipment,easy installation,save time and improve efficiency.


Type | Applicable industry | Product advantages |
![]() | Suitable for chemical, metallurgical and other industry materials | High performance-price ratio |
![]() | Applicable to food, medicine, chemical industry and those with special requirements industry materials | Meet the GMP standard requirements, high cleanliness,corrosion resistance, no polluted material |
The special hand hole cover for the observation port of the vibrating screen is an indispensable part of the vibrating screen. lt is mainly assembled at the observation port of the equipment, etc. It plays a very important role in sealing the vibrating screen,reducing material leakage and external pollution to the material, and improving the quality of the material.











Xinxiang Gaofu Machinery Co., Ltd. specializes in manufacturing vibration screens and vibrating sieves. To solve sieving problems in all fields, we can manufacture all kinds of vibrating screens to meet the different needs of customers. Thanks to production equipment, strong technical capabilities, improved detection means and strict managing system, we have enjoyed good reputation. our company has attained ISO9001:2000 certification and CE Certification. Our products sell well throughout China and are exported to North America, West Europe, Southeast Asia and other countries and regions. Do you want to improve your product quality? Do you want your products to become more competitive? Choosing Xinxiang Gaofu Machinery Co., Ltd.! We will be your friend in the way to success! And you will create a shiny future in 2017! Please visit our website: www.gaoful.com. Our tenet: "Honest Service, the Highest Quality".To solve sieving problems in all fields, we can manufacture all kinds of vibrating screens to meet the different needs of customers.

1. who are we?
We are based in Henan, China, start from 2000,sell to Southeast Asia(40.00%),Domestic Market(27.00%),South America(10.00%),Eastern Europe(8.00%),Oceania(3.00%),North America(2.00%),Western Europe(2.00%),Africa(2.00%),South Asia(1.00%),Eastern Asia(1.00%),Southern Europe(1.00%),Central America(1.00%),Northern Europe(1.00%),Mid East(1.00%). There are total about 301-500 people in our office.2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Vibrating Screen Equipment, Crusher, Conveying Equipment, Mixer, Food Feeding And Screening System
4. why should you buy from us not from other suppliers?
Gaofu company founded in 1982, 20 years screening experience, the company covers an area of 50800 square meters.we posses the independent management right of importing and exporting, our products are spread all over the country, sold in faraway market area
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,CIP,FCA;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C;
Language Spoken:English,Chinese
Tell me the following questions, Then I can send you accurate quotation soon, including additional discount!
Your email addressand telephone will not be shared or published!The proper selection of the vibrating screen depends on the material, mesh size,output required, method of input,abrasiveness of the material etc:
1. Screening product : _____
2. Moisture:_____%
3. Capacity:________kg/ hour
4. Screen layer:_______
5. Screen mesh size:______ mesh . ______ mesh. ______ mesh
6. Voltage:______V,Frequency:______HZ, 3 phase
7. SS304/316L stainless steel or Q235A carbon steel?
