What is the screw diameter and L/D ratio?

The screw diameter is 25mm with an L/D ratio of 28:1.

En 13900 Standard Filter Pressure Value Testing Machine

Name: En 13900 Standard Filter Pressure Value Testing Machine
Brand: Dongguan Xihua Machinery Technology Co., Ltd.
SKU: 1989948945

Guangdong, ChinaDongguan Xihua Machinery Technology Co., Ltd.

US$28,800.00-32,800.00

1 set

Product profile

Customization

Available

After-sales Service

Lifetime of Service

Warranty

1 Year

Model NO.

XH-431

Type

Plastic Extruder

Plastic Processed

PE, PP, PLA, ABS, EVA, LDPE, HDPE

Product Type

Plastic Extruder

Feeding Mode

One Feed

Assembly Structure

Integral Type Extruder

Screw

Single-Screw

Engagement System

Intermeshing

Screw Channel Structure

Deep Screw

Exhaust

Don't Exhaust

Automation

Automatic

Computerized

Screw Diameter

25mm

L/D

28:1

Standards

En 13900-5:2005, ISO 23900-5:2015

Control System

Computer Comtrol

Color

Yellow or Customized

Power Supply

3 Phases, 380V

Transport Package

Wooden Case

Specification

1600mm(L)*800mm(W)*1400mm(H)

Trademark

Origin

China

HS Code

9031809090

Production Capacity

50sets/Month

Key features

Compliance with International Standards: Meets EN13900-5:2005 and ISO23900-5:2015 standards for accurate testing.

Real-time Pressure Monitoring: Automatically measures and records melt pressure change curves before the filter.

Wide Material Compatibility: Suitable for PP, PE, PLA, ABS, EVA, LDPE, and HDPE plastics.

Customizable Color Options: Available in Yellow or customized colors to meet specific requirements.

High Precision Control System: Features computerized control with servo motor for precise throughput.

Comprehensive Warranty Coverage: Includes 1-year warranty and lifetime of service support.

Flexible Lead Time: Off-season delivery within 15 workdays; peak season 1-3 months.

Advanced Screw Design: Single-screw extruder with 25mm diameter and 28:1 L/D ratio.

Company profile

Dongguan Xihua Machinery Technology Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-01-01Nearest Port: Shenzhen, GuangzhouAverage Response Time: ≤2.86hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, FCA

AI-Powered supplier vetting

SummaryDongguan Xihua Machinery Technology Co., Ltd. is identified as a Chinese manufacturer/factory headquartered in Dongguan, Guangdong, with operations covering laboratory and processing machinery. Its stated product range includes film blowing, cast film, extrusion, milling, mixing, vulcanizing, and testing equipment. The supplier reports ISO 9001 certification, six production lines, 6–10 R&D engineers, 6–10 quality-control staff, and documented output across several machine categories. It exports to multiple global regions, began exporting in 2013, and reports off-peak lead times within 15 working days and peak-season fulfillment of 2–3 months. Evidence supports production, R&D, quality-management, and international trading capabilities. However, the provided information does not sufficiently establish after-sales performance, financial credibility, customization execution, or specific customer cases.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory, with a high-tech joint-venture profile integrating R&D, manufacturing, sales, and service. Its Chinese legal and operating details consistently identify a machinery manufacturer headquartered in Dongguan, Guangdong.

CertificationsThe supplier explicitly reports ISO 9001 certification for its management systems. This provides evidence of a formal quality-management framework, although no additional certifications are stated.

R&D capabilityThe supplier describes itself as a high-tech company with R&D operations, states that it invests substantially in R&D, and reports 6–10 years of total R&D engineer experience. Demo machines for each model also indicate active product development and demonstration capability.

Production capacityThe supplier reports six production lines and defined annual output including 200 sets each of Two Roll Mills and Hydraulic Press Machines, 80 Blown Film Machines, and 50 sets each of Cast Film Extruders and Twin Screw Extruders. It also states lead times of within 15 working days in off-peak periods and 2–3 months during peak season, supporting established manufacturing capacity while indicating longer peak-season fulfillment.