• Heavy cast iron manhole covers System 1
  • Heavy cast iron manhole covers System 2
Heavy cast iron manhole covers

Heavy cast iron manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
2000套 m.t./month

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Item description: circular manhole covers


Specification: 850 x600x100mm

Pressure load: D400

Material: ductile iron QT500-7

Tensile strength: 500 n / 2 MM

Elongation rate: 7%

Spraying: ductile iron manhole covers on the surface treatment is the antirust bituminous paint spraying, the treatment is commonly used coating of casting.

Packing: packed in wooden pallet, steel tie, the outside plastic film

Process: sand casting, pure manual model


Our company covers has the following features:

1, the environmental noise. No noise, the product of environmental protection board and box after lathe processing, can make the plate and frame to 100%.

2, high load capacity. The product load D400

3, security ability. This product adopts double security design, anti-theft performance is better, more powerful guarantee traffic safety.

4, long service life. The product of guard against theft, prevent noise set is firm, durable.


This product applicability is wide and can be used in tap water in urban construction, municipal drainage pipeline inspection Wells, heating, gas inspection Wells, postal services, telecommunications, communications, cable pipe Wells, power line well, street lamps, well well, fire control, all kinds of valves, anti-corrosion project, open ditch cover plate, and can be manufactured according to customer's special needs.


Q: How to inquire about the price of hardware products? How much is the gross profit of hardware products? Thank you
First of all, you have to understand what kind of hardware products, hardware has many, hardware accessories, hardware molds, and even hardware, furniture are.
Q: Hardware accessories, hardware is the same?
It's almost like this, but it's a lot of different kinds
Q: What kind of goods do you need to open a hardware store?
The hardware stores need mainly include the following:1, daily life tools such as scissors, screwdriver, etc.;2, daily necessities, such as mops, light bulbs, etc.;3, screws, nails and other parts;4, wire, plastic pipes and other goods.
Q: What kind of hardware do you have?
Hardware refers to five metals. Hardware word first appeared in the "Wu Yue" - "spring and Autumn" four Lu: "Chen Wen Yue often make ou Yezi sword making five pieces...... a reed, hardware Ying, sun jing. According to the "Han Shihuo Zhi" on the 'gold, knife, turtles, shellfish "note: Kim," five gold, yellow, gold, silver, white, red, green, copper, lead, iron, black. "Modern Chinese dictionary explains:" hardware refers to gold, silver, copper, iron, tin, generally referred to as metal. Today's hardware is commonly used as a metal or copper, iron and other products collectively. The further application of metal has played an important role in the development of human civilization, society and history. Metal products appear in every corner of economic life, political life and military activities. Such as Zhejiang, Yongkang, since ancient times has been known as "hundred workers of the township", hardware, handicraft industry is a long history. Since the Southern Song Dynasty had to make a living in Yongkang, go out to travel extensively, coppersmith blacksmith, history of early "metal craftsmen go Quartet, Fu County from Kang". History into modern industrial society, metal hardware industry is the rapid development of hardware industry, which has played an important role in the development of national economy, hardware has become an indispensable link in the industrial manufacturing industry.
Q: What kind of hardware installation is there in order of home decoration?
If the door (door and door): first hinge positioning (or repair groove), temporary installation - positioning lock, remove the lock - processing and installation after formal installation of the door, and installed in the positioning door -- etc.
Q: What are the laws and regulations of hardware?
Hardware laws and regulations: first, the national quality standards. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations. Safety standards, this must be strictly enforced legal norms. Is the hardware must ensure the safe and reliable use, safety accidents caused by quality factors cannot, if the quality safety accidents caused, the producer must undertake the corresponding administrative or criminal liability. The laws in this respect are mainly safety production law, quality law, consumer law, and so on. More general, but more formal. The hardware of national quality supervision and testing: China commissioned by the national certification and Accreditation Administration of the national metrology accreditation review group on building materials, through the certification supervision and expansion of the assessment of national building material industry hardware plumbing product quality supervision and testing center. Even Japan, building materials experts review group consults relevant information center, to the scene detection and testing equipment, test items on the part of a field test was carried out, the center of the authorized signatory on-site examination strictly, and the related staff of the theory exam, organize relevant personnel to the discussion. They believe that the test center has established a complete quality management system, organization system operates effectively, have the capability to undertake impartial third party inspection; the quality of personnel, equipment, environmental conditions and test reports have reached the requirements of standards of review.
Q: CNC lathe processing precision hardware, how to choose the grinding wheel?
After selecting the grinding wheel material, select the grit size of the grinding wheel.
Q: Does hardware include plumbing, building materials?
Architectural decoration(1) galvanized iron pipe (2) stainless steel tube (3) plastic expansion rivet tube (4) (5) (6) cement nail advertisement nail (7) mirror nail (8) expansion bolts (9) self tapping screws (10) glass bracket (11) glass clip (12) insulation tape (13) Aluminum Alloy ladder (14) goods support
Q: Are there any better hardware parts for the glass sliding door?
The wheels are hard to push with bad quality is greatly linked, it is recommended that you use titanium alloy monolithic glass sliding door,
Q: What are the commonly used hardware in the customized wardrobe?
Live layer: support for a live plywood. Backing nail: used for 9mm back board, fixed on the cabinet.

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