RU Pneumatic Tube Fittings Reducing Union Plumbing Fitting Pneumatic Air Fitting High Quality Sanmin
Brand Name:NBSANMINSE
Certification:ISO9001
Model Number:RU
Minimum Order Quantity:20
Delivery Time:Negotiation
Payment Terms:L/C, T/T, Western Union
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Location:
Ningbo Zhejiang China
Supplier`s last login times:
within 1 hours
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Product Details
RU Pneumatic Tube Fittings Reducing Union Plumbing Fitting Pneumatic Air Fitting High Quality Sanmin
Tube cutting
Two different methods can be used to cut tubes :
1 . Tube Cuter
2 . Hacksaw
Tube Cutter
To attain a leak free connection , the tubing must be cut squarely
. A good quality tube cutter with the appropriate blade for the
tubing material is recommended .
Do not try to reduce the time of cutting by taking deep cuts with
each turn the cutter . This will work harden the tube .
The end of the tube must be deburred to avoid damage to the fitting
and to ensure that the rube reaches the bottom of the fitting .
Warning
Do not hold the tube in a vise in the place where it will be
inserted into the fitting ( the vise will leave a mark on the tube
that may cause leaks , and might cause ovality ).
Tube Handling
Scratches on the tube might cause leaks . it is , therefore ,
important to handle the tube carefully to reduce the risk of leaks
.
Some Recautions to be taken
1.Tubes must not be dragged on the floor .
2.Tubes must not be dragged out of a tubing rack , especially in
case of large OD tubes
Copper Tubing
If using copper tubing from a roll , hold the end of the tube and
roll the roll outwards allowing the tubing to lie on a flat surface
.
Inspection Tubing
Use : This is a “ No- Go ” Gauge and should be used as follows :
Make up to fitting according to the following instructions : 1/4
inch ( 6mm ) , 3/8 inch , 1/2 inch ( 12mm ) – make up 1-1/4 turns
from finger tight . Check gap between nut and body , using the
appropriate sized gauge . If the gauge slides easily into the gap ,
tighten the nut further until gauge can not enter the gap
High Safety
In applications where severe conditions and high pressure exist ,
we recommend the following installation procedures :
1. Check that the nut is finger tight
2. Insert the tube ( Up to the shoulder )
3. Rotate the nut with a wrench until the tube does not rotate freely
.
4. Mark position of the nut .
5. Rotate the nut 1-1/4 turns .
This method ensures that even if the tube O.D. is at the minimum
tolerance , the ferrules will be in contact with the tube for the
full 1-1/4 rotation.
In order to assure maximum fitting reliability and performance ,
great care should be given when selecting the tubing for each
application
Tube Selection
Four variables must be considered when ordering tube for use with
fittings :
1. Material
2. Tube wall thickness
3. Tube surface finish
4. Tube hardness
Tubing should comply with standard ASTM A213 or ASTM A269 , be
seamless , and fully annealed .
The tube must be red of scratches and suitable for bending and
flaring .
FAQ
Q: What is the price of the product ?
A: Our prices are based on the size and type of material , if you
can give me the information ,
then we can give you an estimated price is for reference only . We
can do any size and any desgin .
Q: what types of products you can make ?
A: We can make many kinds of stainless steel materials and
brass,aluminum . Valve / solenoid valve / electric valve /
pneumatic valve and air cylinder products and so on .
Q: What ' s your delivery date ?
A: It depends on the number of orders . Delivery date is 7 - 30
days .if small order,pls buy from our aliexpress shop, If you need
emergency products , we can speed up the production of the first
arrangement .
Q: Can the product be made with our logo and brand ?
A: Yes , of course , we can make . we are OEM supplier for years
and professional to make . But you need give us the authorization
for work.
Q: How much is our minimum order quantity ?
A: Our minimun quantity is 1 Piece .
Why choose us
1: Large stock for fast shipping .
2: High quality with competitive price .
3: Provide free products information .
4: Reliable quality assured and active after-sell service
5: Sample order & small quantity order is acceptable .
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RU Pneumatic Tube Fittings Reducing Union Plumbing Fitting Pneumatic Air Fitting High Quality Sanmin
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