| 摘要 |
An applicator system for melting thermoplastic material and supplying the molten or liquid material under pressure and at a controlled temperature to an applicator head or gun. The material is heated in a reservoir from which it is pumped through a manifold block to the applicator gun by a single-acting, sleeve-type air motor driven piston pump. Internally of the manifold block, there is a combination filter, check valve, relief valve cartridge which may be installed or removed from the block as a unit but which also has the filter so mounted that it is separately removable for cleaning or replacement purposes.
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