The accessory including all kinds of pipes，elbows，reduced pipes，compensator，tees，crosses，connectors of mater and filters.
One、compensator of pipeline：
It is suitable to compensate error of dimension and the damage of the connection of exit of pump.glass，graphite because of vibration.
Two、filter
It is applied to all species pipe for fit ration of medium and impurity to ensure the safety of equipment for flow facilty，and prolong the life span，you should pay attention to the direction when install it.
Three、all species pipe
Elbow，tees，crosses，adopt national standard seamless steel tub be，the flange is according to HG，GB，JB，ANSI，J IS and DIN national standard as required by the users， it can be forging or finding as stipulated in the contract.The forgiving or founding confirmed by the contract.
Four、material of liner：
In normal condition， the material is PTFE， PVC， PP， PE and PO.
Five、test and inspection：
The accessory of the pipeline make the intensity press test by 1.5 times nominal pressure， all liner cover must make the electric spark compact inspection.