What is the maximum emergency flow rate?

The max emergency flow rate is 7000m3/H when the pressure is 34kpa.

What sealing ring materials are used?

Standard material is NBR, with options for FKM or SI.

What is the minimum order quantity?

The minimum order quantity is 1 piece.

Durable 460mm Flanged Manhole Cover for Heavy-Duty Use

Name: Durable 460mm Flanged Manhole Cover for Heavy-Duty Use
Brand: WENZHOU FLOW INTERNATIONAL TRADE CO., LTD
SKU: 2074739832

Zhejiang, ChinaWENZHOU FLOW INTERNATIONAL TRADE CO., LTD

US$100.00

1 Piece

Sample price:US$100.00/piece.Request sample

Product profile

Customization

Available

Usage

for Oil Truck

Installment Mode

Flanged Type

Model NO.

C801TAF-460

Emergency Open Pressure

21kpa-32kpa

Max Emergency Flow Rate

7000m3/H(When 34kpa)

Transport Package

Carton

Specification

API, CE, SGS, PEI, ISO

Trademark

FULIU

Origin

China

HS Code

7616991090

Production Capacity

5000set/Month

Key features

Emergency Exhaust Design: Autonomously vents air in high-temperature scenarios to maintain safety integrity.

Built-in P/V Vent: Automatically manages pressure disparities by intaking or exhausting air.

Secondary Open Design: Releases internal pressure before opening to safeguard workers from surges.

Customizable Blinding Holes: Three holes allow fitting Vapor Vent Valves, Sensors, or Dip Tubes.

Premium Material Options: Available in Aluminium Alloy, Stainless Steel, or Carbon Steel.

Wide Temperature Range: Operates effectively from -20 to 70 degrees Celsius.

High Flow Capacity: Max emergency flow rate reaches 7000m3/H at 34kpa pressure.

OEM and ODM Services: Full customization available from samples or designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceR&D CapabilitiesFast Delivery

WENZHOU FLOW INTERNATIONAL TRADE CO., LTD

Zhejiang, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs CertifiedExport Year: 1 year CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤11.34h

AI-Powered supplier vetting

SummaryWENZHOU FLOW INTERNATIONAL TRADE CO., LTD is a China-based limited trading company in Zhejiang with five employees and no stated parent-group affiliation. Its product scope covers tank truck parts, fuel-station equipment, valves, flow meters, pumps, industrial instruments, and related components. The supplier states that its explosion-proof products passed examinations and obtained Chinese explosion-proof certificates and industrial-product production licenses, while also holding manufacturing licenses for fuel-dispenser measuring instruments and flowmeters. After-sales processes for corrective/preventive action and complaint handling are documented and followed. R&D resources are limited to one engineer, CAD capability, no stated patents, and no available SDK. Production capacity is not established; available evidence instead identifies the entity as a trading company. Financial and sustainability information is insufficient for a substantive assessment, and no customer cases are provided.

CertificationsThe supplier states that all explosion-proof products passed examination and obtained China explosion-proof certificates and industrial-product production licenses. It also states that it holds manufacturing licenses for fuel-dispenser measuring instruments and flowmeters, providing explicit certification evidence for these product categories.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and for handling customer complaints. However, quality assurance and traceability status are unknown, and the stated quantity and size of quality-control test equipment is zero; the documented service procedures nevertheless support a positive assessment of the specified after-sales mechanisms.

R&D capabilityR&D capability is limited: the supplier reports one R&D engineer, CAD as its software-instrument capability, zero R&D patents, and no available SDK. Although design-input, output, review, verification, and validation documents are available for audit, the evidence does not demonstrate strong innovation capacity.

Customization capabilityThe supplier reports one R&D engineer whose responsibility includes customization from designs, and it has auditable design-related documentation. This supports some design-based customization capability, although the limited R&D staffing and absence of patents or SDK evidence constrain the demonstrated scope.