Black Iron Castings

Our mission will be to become an innovative supplier of high-tech digital and communication devices by furnishing benefit added structure, world-class manufacturing, and service capabilities for Black Iron Castings, Pipe Joint Clamp, Copper Pipe Repair Clamp, Internal Tube Clamp, We have now four leading solutions. Our products are most effective sold not only during the Chinese market, but also welcomed during the international industry. Our eternal pursuits are the attitude of "regard the market, regard the custom, regard the science" as well as the theory of "quality the basic, believe in the 1st and management the advanced" for Black Iron Castings, Each year, many of our customers would visit our company and achieve great business advancements working with us. We sincerely welcome you to visit us at any time and together we will prevail to a greater success in the hair industry.


  • New Delivery for Malleable Iron Threaded Fittings - Meter Suivel Offsets – Donghuan

    New Delivery for Malleable Iron Threaded Fittings - Meter Suivel Offsets – Donghuan

    Details Gas meter connection is used to transport natural and propane gas in residential applications, gas meter connectors including GALVANIZED METER UNION, gas meter swivels, swivel nuts, insulated unions ,BSCA20, Offset insulated etc. We understand the critical nature of meter connections and we recognize the need for safe and reliable connections that can be used in a variety of meter connection application. We also can produced according to customer’s requirement, if you have your s...
  • Trending Products Copper Pipe Clamp Fittings - Double Bolt Clamps – Donghuan

    Trending Products Copper Pipe Clamp Fittings - Double Bolt Clamps – Donghuan

    Details 1. Inner surface has dual gripping ridges 2. Bolts lugs are reinforced to prevent bending out of alignment 3. Measure hose OD accurately before ordering clamps 4. Torque values for clamps are based on dry bolts. The use of lubricant on bolts will adversely affect clamp performance Double Bolt clamps size list as below: Name code size rang size Note Colour double bolt clamp DB SL-22 20-22mm Without saddles Yellow double bolt clamp DB SL-29 22-29mm double bolt cl...
  • One of Hottest for Coupling Hose Fitting - Fast Coupling – Donghuan

    One of Hottest for Coupling Hose Fitting - Fast Coupling – Donghuan

    Details 1.Fast couplings which we mainly produced are departed the socked, nut, and clamps etc. All the standard specifies are produced according to the drawing design. Generally speaking, all dimensions are accurate, because it is very important to assemble. For all the socket before shipped we all make 100% air pressure testing. The surface are hot dip galvanized and black, we also export the rough product. 2.Fast fittings are used for connecting steel, PE and other pipes. 3.Material: ...
  • Factory best selling Gi Clamp For Pipe - KC Nipples – Donghuan

    Factory best selling Gi Clamp For Pipe - KC Nipples – Donghuan

    Details 1.Carbon steel hose menders have precise sized, better mechanical behavior and tightness, and used widely in construction energy, processing, and fabrication industries. 2. We provide a comprehensive range of Carbon Steel Nipple. And it is been manufactured by technical team using high grade carbon steel & technologically advance machinery. 3.Hose Menders specification:   Thickness (MM) A (MM) B  (MM) C (MM) E(MM) Unit Weight (G) (MM)  (MM)  (MM) (MM)  ...
  • Cheapest Factory Steel Tube Clamps - KC Nipples – Donghuan

    Cheapest Factory Steel Tube Clamps - KC Nipples – Donghuan

    Details 1.Carbon steel hose menders have precise sized, better mechanical behavior and tightness, and used widely in construction energy, processing, and fabrication industries. 2. We provide a comprehensive range of Carbon Steel Nipple. And it is been manufactured by technical team using high grade carbon steel & technologically advance machinery. 3.Hose Menders specification:   Thickness (MM) A (MM) B  (MM) C (MM) E(MM) Unit Weight (G) (MM)  (MM)  (MM) (MM)  ...
  • factory low price Air Line Hose Clamps - Double Bolt Clamps – Donghuan

    factory low price Air Line Hose Clamps - Double Bolt Clamps – Donghuan

    Details 1. Inner surface has dual gripping ridges 2. Bolts lugs are reinforced to prevent bending out of alignment 3. Measure hose OD accurately before ordering clamps 4. Torque values for clamps are based on dry bolts. The use of lubricant on bolts will adversely affect clamp performance Double Bolt clamps size list as below: Name code size rang size Note Colour double bolt clamp DB SL-22 20-22mm Without saddles Yellow double bolt clamp DB SL-29 22-29mm double bolt cl...
  • Massive Selection for Pipe Clamp To Wall - DIN Standard Beaded Malleable Iron Pipe Fittings – Donghuan

    Massive Selection for Pipe Clamp To Wall - DIN Standard Beaded Malleable Iron Pipe Fittings – Donghuan

    Details 1.Material: ASTM A 197,ASTM A47, DIN EN 1562 2.Dimensions: DIN EN 10242 3.Threads: IS07-1,DIN 2999 4.Size Available: 1/8’’—6’’ 5.Surface: Hot dip galvanized, black ,zinc-plated 6.Malleable fittings include elbows, tees, couplings and round flange etc. Floor flange is very popular to anchor items to the ground. High precision equipment is quality assurance. Our factory are the first to use the electric stove for castings and electric facility in annealing and galvanizing process, ...
  • Factory wholesale Pipe Hangers And Clamps - Stainless Steel Pipe Fittings – Donghuan

    Factory wholesale Pipe Hangers And Clamps - Stainless Steel Pipe Fittings – Donghuan

    Details 1.Stainless steel fittings including 90° Elbows,90° Street Elbows,45° Elbows,Cross,Tee,Unions,Hexagon Caps,Hexagon Bushings,Hexagon Plugs,Sockets,Tank Sockets,Reducing Sockets,Hexagon Nipples,Reducing Hexagon Nipples,Barrel Nipples,Pipe Nipples,Hexagon Weld Nipples,Backing Nut,Tube Nipples etc. We have a variety of processing equipments, such as CNC lathe, drilling machine, milling machine, stampling machine, hydraulic press, injuction molding machine, welding m...
  • New Fashion Design for Quick Change Hose Coupling - Air Hose Couplings EU Type – Donghuan

    New Fashion Design for Quick Change Hose Coupling - Air Hose Couplings EU Type – Donghuan

    Details which are broadly used for air and water in industry and construction. They have two lugs (claws) each, which engage in the corresponding notches of the opposite half. That is why they can be connected so easily – just by pushing two part together and turning. Our factory have 30 years of production experience of hose fittings. Product quality is stable, test results are more than relevant national standards and feedback from customers are not bad. If you are interested, welcome ...
  • Good Quality Stainless Steel Camlock Fittings - Camlock Couplings – Donghuan

    Good Quality Stainless Steel Camlock Fittings - Camlock Couplings – Donghuan

    Details Aluminum: ASTM A356, ASTM A104 Stainless Steel: SS304, SS316 Plastic: PP, Nylon Comments Type: A, B, C, D, E, F, DC, DP  Connection:BSP, NPT, Hose End Size:1/2” to 8”  Application:For Fire Fighting Equipment Sealing:NBR, EPDM, PTFE,etc Our factory is located in Shijiazhuang city, Hebei province for 35years. The main products are Malleable iron pipe fittings, steel pipe nipples, hose clamps, air hose coupling & double bolt hose clamps, electr...
  • Manufacturer of Quick Release Pipe Clamp - Steam Coupling – Donghuan

    Manufacturer of Quick Release Pipe Clamp - Steam Coupling – Donghuan

    Details Ground joint complete seal hose fitting is made of plated iron and connects a high-pressure air and steam hose to a male NPT threaded connection. It has a barbed end to create a tight seal on a hose when used with a hose clamp or crimp sleeve or ferrule (not included) and a female National Pipe Taper (NPT) threads on the other to connect to male NPT threaded connections. This fitting is made of plated iron for strength, malleability, ductility, and resistance to corrosion, and it...
  • Wholesale Iron Pipe Clamp - Conduit Body – Donghuan

    Wholesale Iron Pipe Clamp - Conduit Body – Donghuan

    Electric fittings From 2012 our factory begin to produce the electric fittings, at first we produce conduit body, including (LL,LR, LB,T) with malleable iron, then enlarge the other items. Now we can produce the Guat, bushing, EYS, Lt connector with lugs, lt connector without lugs, union, enlarger, close nipple, drain breather, cover, aluminum lugs etc. In the beginning we use the black sand mould to produce, then we improve step by step, now we all revised the new mould with yellow sand...