DI Universal Coupling

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50 Pieces pc
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50000 Pieces per Month pc/month

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Product Description:


Universal coupling 

1.Ductile iron end cover and steel sleeve

2.EPDM gasket

3.Pressure : PN10/16

4.size : DN50-DN300 


Technical parameters of coupling:

Large Tolerance Unit Coupling is designed to connect with two plain and pipe and it accommodates up to 7-angularity in the sleeve.



Material:Sleeve by rolled steel to BS EN 10025:1993 Grade S275/ASTM A283 End Rings by GJS500 casting.


Working Pressure:

Pressure test 350psi(24 bar),

Working pressure 230psi(16 bar).


Gasket:NBR for natural gas, EPDM for potable water.


Double protect bolts and nuts:

DIN 603 Grade 8.8 with one DIN 934 nut and DIN 125 washer.

Bolts and nuts are galvanizing.



RAL 5005 Polyester painting, thickness 150μm.


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shut off the computer and turn it on again, continuosly press f10 until it goes to a screen that says enter setup. Under it go to settings on one of the tabs and it will show the password, you can clear it, change it, or write it down.
Q:What kind of tubing connections do you have?.
According to the number and direction of the connection, there are straight through, right angle, three pass and other types. The connection with the body has threaded connection, flange connection and so on. In addition, there are some special purpose pipe couplings.
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Both of my baby showers had men and women. we played baby bingo, guess how big mommy is (take yarn or ribbon and people have to try to guess exactly how big around you are. when everyone is finished measure yourself and compare every ones strings to it. whoever is closest wins!), baby word scramble and there is A LOT of other games that you can print for free at these sites. (i recommend either printing one and making copies somewhere else or using the black cartridge only option on your computer to save ink.) the baby bingo has like 15 different sheets so every ones can be different so you have to print those 1 by 1 but everyone enjoyed not knowing who was going to win. my uncle actually won the guess the mommy size one he measured the width of the sliding Glass door and it was a half inch off!!! MEN!!! Hope this helps! have fun!
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Differnt position, you on top you on top reverse, from behind, you can try toys or like me and my gf public places are great lol.
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hi, what it sounds like, is you need this stuff called ONE TIME. you can find it at most hardware stores.its easy to use and drys fast so you can paint over it in about 20 min.now if your cracks are large and deep then you my need a drywall finisher to tape them and coat them.or if it's a lot of what i call spider web cracking then try priming all the wall area withBULLS EYE 123 this has a good bonding agent in it that will help your color coat to go on and adhere well so that cracking don't come back.it will also help to use a top coat paint that is of good quality.i like valspar paints.i would NOT try to strip the paint.good luck.
Q:Hit a curb and fire hydrant now my steering wheel and wheels are way offany ideas with whats wrong?
DISTRACTION. Bush/McCain/Gramm caused this crisis by deregulating the financial sector and failing to allow examiners to do their job: regulate. Bush encouraged the GSEs to offer loans to people who could not repay them. This is squarely on the desks of the Republicans. No amount of misdirection will ever change that. Obama never kept him on staff.
Q:What is the nominal diameter of the phi 1/2 in the pipe joint?
One foot (25.4mm) is divided into eight parts, 1/4, that is, 2/8 is two in charge, 1/8 is 1 in charge, 3/8 is 3 in charge, 1/2 is 4 in charge, in order to calculate nominal diameter
Q:What is the reason that the rubber hose of the fire hose is flowing black oil?
This is the groove of the fire trench, the connection of the pipeline meets all the requirements and the quality is not satisfied. That is, the quality of aprons.
Q:Standard for fabrication of jacket type pipe couplings for card sleeve couplings
1, card sleeve end through pipe joint (GB/T 3733-2008)2, sleeve type cone thread straight pipe joint (GB/T 3734-2008)3, card sleeve end through long pipe joint (GB/T 3735-2008) 4 and card sleeve taper thread long pipe joint (GB/T 3736-2008)5, card sleeve straight through pipe joint (GB/T 3737-2008)
Q:The pipe joint model is 1/2 "-14 teeth / inch"
. The 1/4, 1/2, and 1/8 marks in the thread refer to the diameter of the thread dimension, in inches. An inch equals 8, and a 1/4 inch is 2, so an analogy. The pitch of the English thread is indicated by the number of teeth per inch, such as 11 teeth per inch, and the pitch is =25.4/11=2.309mm.
We are a manufacturer and trading group specializes in the export of metal products. It mainly deals with various of ferrous metal & nonferrous metal castings and forgings, our main products covering water valves and fittings, power line fittings,fire-fighting equipments, motor & pump part, automotive & machine parts,.etc.

1. Manufacturer Overview

Location Dalian,China
Year Established 1994
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Language Spoken: English,Chinese
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