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A fitting is used in pipe systems to connect straight pipe or tubing sections, adapt to different sizes or shapes and for other purposes, such as regulating (or measuring) fluid flow. “Plumbing” is generally used to describe the conveyance of water, gas, or liquid waste in domestic or commercial environments; “piping” is often used to describe the high-performance (high-pressure, high-flow, high-temperature or hazardous-material) conveyance of fluids in specialized applications. “Tubing” is sometimes used for lighter-weight piping, especially that flexible enough to be supplied in coiled form.

Valve deck & bonnet
Wheel hub
Rod lug
Yoke

Standard codes are followed when designing (or manufacturing) a piping system. Organizations which promulgate piping standards include:
ASME: American Society of Mechanical Engineers
A112.19.1 Enameled cast-iron and steel plumbing fixtures standards
A112.19.2 Ceramic plumbing fixtures standard
ASTM International: American Society for Testing and Materials
API: American Petroleum Institute
AWS: American Welding Society
AWWA: American Water Works Association
MSS: Manufacturers Standardization Society
ANSI: American National Standards Institute
NFPA: National Fire Protection Association
EJMA: Expansion Joint Manufacturers Association
CGA: Compressed Gas Association

Hinge block
Flange mounting
Connecting rod
Bushing

Pipes must conform to the dimensional requirements of:
ASME B36.10M: Welded and seamless wrought-steel pipe
ASME B36.19M: Stainless-steel pipe
ASME B31.3 2008: Process piping
ASME B31.4 XXXX: Power piping
The B31.3 and B31.4 codes have requirements for piping found in petroleum refineries; chemical, pharmaceutical, textile, paper, semiconductor, and cryogenic plants, and related processing plants and terminals. These codes specify requirements for materials and components, design, fabrication, assembly, erection, examination, inspection and testing of piping. The codes are applicable to piping for all fluids, including raw, intermediate and finished chemicals; petroleum products; gas, steam, air and water; fluidized solids; refrigerants, and cryogenic fluids.

Pulley
Locking pin
Link chain
Wind power components

The material with which a pipe is manufactured is often the basis for choosing a pipe. Materials used for manufacturing pipes include:
Carbon (CS) and galvanized steel
Impact-tested carbon steel (ITCS)
Low-temperature carbon steel (LTCS)
Stainless steel (SS)
Malleable iron
Non-ferrous metals (includes copper, inconel, incoloy and cupronickel)
Non-metallic (includes acrylonitrile butadiene styrene (ABS), fibre-reinforced plastic (FRP), polyvinyl chloride (PVC), high-density polyethylene (HDPE) and toughened glass)
Chrome-molybdenum (alloy) steel — Generally used for high-temperature service
The bodies of fittings for pipe and tubing are most often the same base material as the pipe or tubing connected: copper, steel, PVC, chlorinated polyvinyl chloride (CPVC) or ABS. Any material permitted by the plumbing, health, or building code (as applicable) may be used, but it must be compatible with the other materials in the system, the fluids being transported and the temperature and pressure inside (and outside) the system. Brass or bronze fittings are common in copper piping and plumbing systems. Fire hazards, earthquake resistance and other factors also influence the choice of fitting materials.

Custom Blocks
Shifting arm
Semi-circle block left side
Double Bolt Clamps

Also we offer OEM/ODM pipe & fitting parts. The pipe & fitting parts including spare parts which Sino Machine Industry supplied were produced per customer’s drawings or specifications. All the parts are made in China. Chinese Castings Serving the Industrial Markets of the World.

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