• valve Stem
  • valve Stem

valve Stem

Material of stem :  A105+ENP,LF2+ENP,F304,F304L,F316,F316L,F51,F321,17-4ph

Size of stem:  1/2inch(DN15) - 48 inch (DN1200) for all of the valves

Stem test :  Size detection and Strength test

The highest accuracy:   ±0.005mm according to the customer request

Degree of finish:  Ra0.1-Ra3.2

Catalogue:

Forged material and valve part.pdf


The STEM is the part of the valves, the gate valves globe valves,butterfly valves and ball valves are have the stem, the stem are the forging, so the strengthand toughness properties are very good,some advantages of the stem in our company:


  1. The dimensions is very accurate.we can guarantee the size error within 20micron for each stem.

  2. The surface finish is very good, because we machining the stem used for CNC and drill holes used for machining center.

  3. we can save more cost of materials,because all of our stem are used in die forging.

  4. The  forging and casting no have any sand holes and cracks,because all of the need magnetic particle inspection and radiographic inspection .


  5. Stem type:ball valve stem,gate valve stem,globe valve stem and butterfly valve stem .


ball valve stem

Ball valve stem


gate valve stem

Gate valve stem


globe valve stemGlobe valve stem



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