合金钢铁闸阀门阻止

Valve Stem Material: Alloy Steel, Stainless Steel Machined from round bar by NC Machine or CNC Checked by Go & No go gage NDT Test can be made Surface be polished 1. We cast and machine stems of different sizes and types. 2. The materials include stainless steel, alloy steel and others. 3. They are machined by CNC and checked by GO& No go gage. 4. Moly spray can be made as per customer’s requirements. 5. All the products are made according to ISO9001:2000. 6. Small orders and special design is accepted. 7.NDT Test can be made before packing. Check by Go & No go gage Remove all sharp edges by file. Spraying Molybdenum Disulfide for lubrication, anti-corrosion and heat-resistance NDT Test can be made as customer's requirements. Packaging: One piece in a bubble bad, 25 pieces in a corrugated carton. Ohter different sizes of valve stems: Standard: ASTM, BF,BS, JIS, UNI, ANSI, ISO etc. We are able to supply the products as follows: 1) Materials include: Stainless Steel, Carbon Steel, Alloy Steel, Ductile Iron, Grey Iron, Copper, Aluminum Bronze, Malleable Iron etc. 2) Process: Investment Casting, Sand Casting (Resin Sand Casting, Green Sand Casting), Permanent Casting, Die Casting, Centrifugal Casting, Forging and Stamping etc. 3) Machining Types: Machined by Round Bar and steel plate, Drilling, Milling, Turning, Boring, Slating, Grinding,, NC/CNC Machining etc. 4) Tolerance is controlled by CMM Machine. 5) OEM Service 6) Special design is available. 7) ISO9001:2000 8) Standard: ASTM, BF,BS, JIS, UNI, ANSI, ISO etc.