Q:The selection of valves and fittings has the following requirements

The joint of the valve is threaded with an internal thread, so that the connection in the installation is easier to select transition joints.

Q:What is a rubber core pulling method?

The hose shall be filled with water or gas at a pressure of 0.5 0.8N / mm before pouring concrete. At this point, the hose diameter can be increased by about 3mm. When pouring concrete, the vibrating bar should not touch the hose, and should check the pressure of the water meter regularly. If there is any change, the pressure must be filled.Smoke tube longer than tube core pulling slightly later. Before the pipe is pumped, the water is lowered and the pipe section is reduced, and the pipe can be drawn away from the concrete. The order of pumping is usually first, then first, then first, then straight.

Q:The rubber is sheathed on the metal cylinder. How can it be connected?

With the combination of metal rubber is coated with adhesive before production and rubber vulcanization shaping, you can use this temporary experiment 502 geliahao for glue or adhesive, but the disadvantages of this thing with winter is not strong, the metal surface must be clean

Q:How to make a rubber tube requires flow

High pressure rubber hose made of inner rubber, steel wire (braid layer), outer rubber. High temperature processing and vulcanization.

Q:Which is better for binding files with rubber tubes and cotton threads?

In fact, the most suitable binding file is the file department I twine, such units are preserved, just to have you asked, hope to adopt

Q:Stainless steel metal hose and flexible rubber joint which is easy to use?

Stainless steel metal hoses and flexible rubber couplings are used for pump inlet and outlet to absorb vibration and noise during the operation of the pipe pump. The two products are common in the case of ordinary media.

Q:Must the hose for the cooker be made of oil resistant rubber hoses?

Stove for rubber tube not only to the requirements of oil resistance, acid and alkali resistance, high temperature resistance, aging resistance and flame retardant have strict requirements, rubber gas pipe service life in 2 years or so, there will be over the period aging phenomenon.

Q:How can the rubber pipe leaking from the cold water inlet of the electric water heater do?

This hose has a shorter life span. It is advisable to replace the stainless steel bellows according to the length of the pipe so that it can be used for a long time without replacing.

Q:What does rubber soft joint "KDTF" mean?

It is a kind of pipe joint with high elasticity, high air tightness, medium resistance and weather resistance. The main outer layer, inner layer, intermediate layer reinforced polyester cord fabric, steel wire pressure protection layer.

Q:Will the electric water heater be well connected with metal hose or hose?

For electric water heater, now the industry is required to use PPR pipe to its inlet and outlet for welding, on the one hand, long service life, can effectively prevent the water heater inlet and outlet leakage;