Hot runner valve sleeve:

1. Material: SKH51/SKD61 (can be custom-made according to customer requirements).

2. Hardness: HRC59-61 (SKH51), HRC50-55 (SKD61).

3. Tolerance: +/-0.001 mm

4. Body Treatment: High-Temperature Heat Treatment and Cryogenic Treatment.

5. Concentricity: 0.002 mm

6. Inner bore precision: Within 0.002 mm, with smooth sliding fit against valve needles of the same specification.

7. Common valve sleeve inner bore machining range: Diameter 2–13.5 mm; height 10–50 mm.

Product aliases: Guide Sleeve, Valve Needle Positioning Sleeve, Valve Needle Sleeve
Customized Processing
Is
Item Number
RY015
Type
Mold Hot Runner System
Brand
Ruiying
Model
RY201507009
Applicable Mold Type
Molding Die
Product Alias
Needle Valve Guide Sleeve
Surface Treatment
Aluminum Titanium Nitride / Titanium Nitride / Chromium Nitride / Titanium Carbonitride
Material/Ingredients
High-speed steel/SKH51/SKH-9/SKD61
Entity Processing
High-temperature heat treatment + cryogenic treatment

Dongguan valve sleeve OEM manufacturer—processing, plastic mold hot runner valve pin & sleeve supplier—wear-resistant, durable, and corrosion-proof.

Factory-direct HUSKY/INCOE hot runner system-specific valve pin positioning sleeve (wear-resistant and durable)

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