2015 The Hotest Conical Screw in China

• Warranty: 12 Months
• Brand Name: Pym
• Base Material: 38crmoaia,42CrMo
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: SLG30-250mm
• Place of Origin: Zhejiang China
• Roughness of The Surface: Ra0.4um
• Straightness of Screw: 0.015mm
• Depth of Alloy: 2.5mm-4mm
• Delivery: Within 25 Days
• Transport Package: Standard Package
• Specification: CE, SGS, TUV, BV
• Trademark: pym
• Origin: Ruian
• HS Code: 8477900000
• Production Capacity: 500sets Per Month
• Package Size: 200.00cm * 50.00cm * 50.00cm
• Package Gross Weight: 200.000kg

Product Description

1. Technical parameter:

Diameter: Φ35-Φ250(according to the demands of customers)
L/D ratio of screw: 16-35
Conical dual-hole barrel screw specificaiton: Φ25Φ45-Φ92Φ188(according to the demands of customers)
 The screw compressor can be designed according to different products and formulas
Technology index: Depth of nitrition layer: 0.4-0.7mm
Nitriding treatment, surface hardness: HV≥900-1000
Fragility of nitrition: less than grade 1
Surface roughness: Ra 0.4um
Streightness of screw: 0.015mm
Chrome plating thickness:0.01-0.1mm
Bimetal coating thickness:1.5-2.0mm
Material: base material 38CrMoAlA



2. Why to choose us?

We have long history and experience working in the field.
We have the most advanced equipments and technique in our industry.
We have professional engineer, Cad drawer and staffs.
We have 100% quality ensure system and 24hours after-sale service system.
We have passed third-party assessment, such as CE, SGS and TUV and BV.

Thank you for your visiting .Have more question ,pls feel free to contact us.