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SZ457 Z-Profile PVC Sheet Pile for Retaining Walls and Embankments

Q: What is the reference MOQ for PVC profiles?

The current company reference MOQ for profiles is 10,000 m. Specification, colour, tooling, packaging and the confirmed order can change the final MOQ.

SZ457 is a 457 mm wide, 254 mm deep Z-profile PVC sheet pile with an 11 mm wall thickness. Its deeper Z geometry is positioned for retaining walls, embankments and slope-protection projects; standard and wood-grain appearance options are shown in the latest catalog.

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▎Products Description

Engineered PVC Sheet Piling

SZ457 Engineering Overview

457 mmSection width

254 mmSection depth

11 mmAvailable wall thickness

Z profileProfile family

Technical data

Profile Drawing and Verified Technical Data

457 mmSection width shown in drawing254 mmSection depth11 mmAvailable wall thickness

SZ457 is positioned as a deep Z-profile retaining and embankment wall. Dimensions, section properties and design-reference values are provided below as searchable HTML rather than image-only content.

Property	Option 1
Section width	457 mm
Section depth	254 mm
Wall thickness	11 mm
Moment of inertia per pile	8207 cm⁴
Section modulus per pile	617 cm³
Ultimate moment per pile	40 kN·m
Ultimate shear per pile	61 kN
Catalog design reference moment per pile	28 kN·m
Catalog design reference shear per pile	42 kN
Effective width	0.434 m
Flexural strength	≥65 MPa
Tensile strength	≥45 MPa
Shear strength	≥26 MPa
Elastic modulus	≥2600 MPa

Engineering notice: Catalog values support model comparison and preliminary discussion. Final wall capacity, pile length, embedment, bracing, interlock treatment and installation method require project-specific structural and geotechnical design.

Application focus

Where This Model Fits

Retaining walls

The 254 mm section depth and published design reference values support preliminary comparison for engineered earth-retaining walls.

Embankment construction

The profile can be considered along road, levee and waterway edges after surcharge, groundwater and global stability are checked.

Visible shoreline structures

Standard and wood-grain appearances provide design options where the exposed wall forms part of the landscape.

System design

PVC Sheet Pile System Advantages

No steel rusting

Rigid PVC does not oxidize like carbon steel in wet or marine exposure. Chemical compatibility, UV exposure and temperature still need project review.

Continuous interlocking wall

Interlocking profiles create a continuous barrier. Watertight performance depends on the selected joint, sealing detail, installation quality and leakage criterion.

Efficient handling

PVC profiles are comparatively light to handle. Actual lifting, driving equipment and productivity depend on pile length, soil, access and guide-frame design.

Method selection

Installation Planning by Pile and Ground Condition

Short piles

The catalog recommends excavator pressing or a small vibratory hammer for rapid installation where ground conditions permit.

Medium or long piles

Use a pneumatic hammer or light vibrator after drivability, alignment and profile protection are considered.

More than 4 m

Coordinate a custom steel driving guide or sleeve that fits the profile. Control verticality and interlock engagement throughout installation.

Field applications

Application Reference Gallery

These photographs show genuine sheet pile construction environments relevant to the product category. They illustrate application context rather than claiming that every photographed project used this exact model; final profile selection requires project data and engineering review.

Foundation Excavation Support

Temporary or permanent excavation-edge application requiring engineered embedment and bracing.

Riverbank Sheet Pile Installation

Driven wall installation beside an existing waterway where access and alignment control matter.

Curved Water-Control Wall

Interlocking sheet piles arranged along a curved alignment in a wet construction environment.

Company evidence

Manufacturing and Quality-Control Basis

1992Manufacturing origin; legal company registered in 2002

64,313.88 m²Certified building area

150+ linesProduction and pilot lines across company categories

12,000+ t/monthCompany-wide combined monthly capacity; not a model-specific output claim

350+ staffAs of August 5, 2026; R&D personnel exceed 30%

73 + 4 patentsValid domestic + valid international patents as of July 2026

Management and standards: Management systems certified to ISO 9001, ISO 14001 and ISO 45001. Participant in HG/T 5924-2021 and T/CSPSTC 180-2025, the Technical Specification for Application of Plastic Sheet Piles.

Project input

Information Needed for Selection and Quotation

Wall length, pile length, exposed height and retained height
Design water levels, flood level, drawdown and leakage-control target
Soil profile, groundwater, slope, surcharge and seismic requirements
Required design life, applicable code and engineer's design actions

Installation access, headroom, equipment and guide-frame constraints
Wall alignment, curves, corners, caps, connectors and terminations
Colour, finish, packaging, delivery destination and required documents
Reference MOQ for profiles is 1,000 m; the final MOQ depends on specification, colour, tooling and the confirmed order.

FAQ

SZ457 Technical FAQ

What project information is required to select SZ457?

Provide wall length, pile length, exposed and retained heights, design water levels, soil profile, groundwater, surcharge, target leakage control, design life, installation access and applicable code. Final selection requires project-specific structural and geotechnical review.

Are the catalog design moment and shear values final project capacities for SZ457?

No. They are catalog design reference values per pile for model comparison. The project engineer must verify load combinations, soil-structure interaction, embedment, bracing, joints, durability and installation effects.

Can SZ457 be installed with an excavator?

The catalog recommends excavator pressing or a small vibratory hammer for short piles. Medium or long piles and difficult soils may require a pneumatic hammer or light vibrator. Piles longer than 4 m or adverse conditions may need a custom steel driving guide.

What is the reference MOQ for PVC profiles?

The current company reference MOQ for profiles is 1,000 m. Specification, colour, tooling, packaging and the confirmed order can change the final MOQ.

Internal links

Related PVC Sheet Pile Profiles and Accessories


River bank protection and regulation	Flood protection structures	Retaining wall


Marine structures	Embankment works	Ersosion control


Water control solutions	Mat high dams	Cut-off system

Automatic Production lines:

The high-speed production line guarantees a monthly output around 25,000 meters,it means we only need 10 days to complete a 40HQ container production.

Store:

Use pallets to keep the sheet pile from being under heavy pressure when stacked, and use rain cloth to prevent extreme weather from affecting the sheet pile.

Loading:

The use of tools such as forklifts makes the

container loading process convenient and efficient

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Tongxiang Small Boss Special Plastic Products Co., Ltd.

Address: No. 431 Tongsheng Road, Tongxiang Industrial Zone, Tongxiang City, Zhejiang Province, China 314500

Sales Manager: Marc Ding

zt02@smallboss.com

+86 158 6836 5820

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