How is quality ensured?

We strictly follow ISO9001:2008 procedures. All processes are controlled from production to delivery, with in-house and third-party inspections.

Can you follow drawing tolerances strictly?

Yes, we can provide high-precision parts and manufacture parts exactly according to your drawings and tolerance requirements.

How to track product progress?

We provide a detailed product schedule and send weekly reports with digital photos and videos to show the processing progress.

Customized Casting Butterfly Valve Accessories Check Valve Disc Plate

Name: Customized Casting Butterfly Valve Accessories Check Valve Disc Plate
Brand: Weifang Shengao Machinery Co., Ltd.
SKU: 761393612

Shandong, ChinaWeifang Shengao Machinery Co., Ltd.

US$0.10-3.00

100 Pieces

Sample price:US$3.00/piece.Request sample

Product profile

Customization

Available

Media

Oil

Driving Mode

Electric

Model NO.

WF-JF

Connection Form

Flange

Structure

Double-Eccentric Sealing

Seal Form

Auto Sealed

Valve Stem

Extended

Work Pressure

Low Pressure (Pn<1.6mpa)

Working Temperature

Medium Temperature (120°C<T<450°C)

Material of Seal Surface

Soft Sealed

Valve Body

Casting

Standard

Application

Industrial Usage, Water Industrial Usage, Household Usage

Item Name

Butterfly Valve Disc

Casting Method

Special Casting

Casting Form Material

Metal

Casting Metal

Cast Steel

Casting Form Usage Count

Permanent

Surface Treatment

Spray-Paint

Surface Roughness

Ra0.4

Coating

Zinc Oxide

Machining Tolerance

+/-0.01mm

Item

Investment Casting Butterfly Valve Disc

Raw Material

Carbon Steel, Stainless Steel

Tolerance

+-0.2 or as Drawings

Technology

Precision Casting + Machining

Service

Shengao, OEM

Color

Nature or as Request

Transport Package

Iron Box, Plywood Box

Specification

ASTM, GB, DIN, EN124, CE

Trademark

Shengao

Origin

Weifang City. Shandong Province. China

HS Code

87089910

Production Capacity

50000PCS/Month

Key features

Advanced Casting Process: Uses lost wax investment casting with energy-saving and environmentally-friendly production lines.

High Precision Machining: Equipped with 30 CNC centers and advanced testing for high-precision parts and tight tolerances.

Wide Material Selection: Supports Carbon Steel, Stainless Steel, Alloy Steel, Cast Iron, Aluminum, and Zinc alloys.

Custom OEM/ODM Service: Accepts custom drawings, samples, and designs for tailored hardware and butterfly valve discs.

Large Production Capacity: Annual supply capacity of 20,000 tons with 25% open capacity for urgent orders.

Strict Quality Control: ISO9001 certified with in-house and third-party inspections including ultrasonic testing.

Flexible Weight Range: Casting weights range from 0.1kg to 10,000kg to meet diverse industrial requirements.

Global Market Experience: Serves major markets in Europe, USA, Japan, and Korea with proven industry components.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Weifang Shengao Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.25h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.

Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.

After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.

Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.

Product Q&A

Q:Why choose your factory?

We have our own factory, Weifang Shengao Machinery Co., Ltd., guaranteeing quality and competitive prices. We are committed to providing first-class quality supply services and becoming your preferred supplier.

Q:How to customize products if not found on website?

You can send pictures, drawings, or samples by DHL/TNT. We will confirm availability or tailor them for you based on your requirements.

Q:What is the minimum order quantity (MOQ)?

The MOQ depends on customer needs, usually 100-200 pieces. We also accept trial orders before mass production.

Q:What is the delivery time?

Standard parts: 7-15 days. Non-standard parts: 15-25 days. We adjust workshop schedules to meet requirements while ensuring quality.

Q:What payment methods are accepted?

We accept T/T (bank transfer), Western Union, and L/C. Sample: 100% paid with order. Production: 30% deposit by T/T, balance before shipment.