How do you solve quality problems?

We are proud that we never let one customer leave us. We are not 100% perfect, there is some quality problem. We try our best to provide the correct materials in the beginning, so we need less time for quality problem. If there is any quality problem, we take the responsibility. We believe what we are doing together, it will get back tomorrow. If we leave our responsibility, customer will leave us. If we always take our responsibility, we keep our customers with us.

What is the delivery time?

For normal production in 7-10 days. For bulk order in 15-25 days.

Sanitary Stainless Butterfly Valves for Vacuum Status Working

Name: Sanitary Stainless Butterfly Valves for Vacuum Status Working
Brand: Wenzhou Xusheng Machinery Industry and Trading Co., Ltd.
SKU: 1988013492

Zhejiang, ChinaWenzhou Xusheng Machinery Industry and Trading Co., Ltd.

US$30.00

1-19 Pieces

US$25.00

20+ Pieces

Product profile

Customization

Available

Standard

DIN, ANSI, GB, JIS, BSW, SMS

Material

Stainless Steel

Model NO.

XS-BF29112

Connection

Flange

Surface Treatment

Mirror Finish

Head Type

Round

Specifictaion

Kf25, Kf40, Kf50

Standard Available

3A, SMS, DIN

Material Quality

SUS304, SUS316L

Connection Available

ISO/Kf/CF/Nw

Internal Surface Treatment

Ra<0.8um

External Surface Treatment

Ra<0.8um-1.6um

Application

Dairy Products, Beer, Food, Beverage, Pharmaceutic

Temperature Range

Normal Temperature (-40°c<T<120°c)

Pressure Range

Low Pressure

Materials of Seal

Rubber

Transport

Shrink Wrap-Carton Case-Exporting Plywood Case

Gasket

Silicone, EPDM, Viton, NBR

Kf25

Flange 40mm

Kf40

Flange 55mm

Kf50

Flange 75mm

Transport Package

Shrink Wrap-Carton Case-Exporting Plywood Case

Specification

KF25, KF40, KF50

Trademark

XUSHENG

Origin

Made in China

HS Code

7307290000

Production Capacity

1000pieces/Month

Key features

High Vacuum Conductivity: Designed for high flow conductivity to efficiently turn on or cut off vacuum airflow.

Reliable Dual Sealing: Cuts off medium in both directions ensuring reliable sealing and zero leakage.

Self-Lubricating Bearing: Adopts self-lubricating bearing with low friction resistance for smooth operation.

Easy Maintenance Design: Allows disc sealing ring replacement without removing the valve from the pipeline.

Vacuum Degree Assurance: Special shaft seal structure automatically compensates to maintain pipeline vacuum.

Flexible Customization: Customizable specifications, materials, and connections based on customer requirements.

Wide Material Options: Available in SUS304 and SUS316L stainless steel with various gasket choices.

Versatile Actuation: Optional solenoid, pneumatic, or electric actuators for automatic control.

Company profile

Quality AssuranceR&D CapabilitiesYears of Export ExperienceFull Customization

Wenzhou Xusheng Machinery Industry and Trading Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤1.83h

AI-Powered supplier vetting

SummaryWenzhou Xusheng Machinery Industry and Trading Co., Ltd. is a China-based combined factory and trading business established in 2011, with 26 employees and a sanitary equipment portfolio. It reports substantial export activity, with 71%–90% of sales from exports since 2012, and serves markets across multiple regions. The supplier states that its technical aspects meet international leading levels and GMP requirements, uses advanced Japanese CNC equipment, and maintains inspection equipment, quality control, production capacity, and an after-sales service center. It also states that products can be designed according to customer drawings and samples. However, the provided information does not establish formal certification ownership, financial credibility, documented innovation programs, customer cases, or confirmed overseas service capabilities. Audit information is present, but the audit result is recorded as “0” without an explained evaluation scale.

Supplier typeThe supplier is identified as a factory, with company nature recorded as “工厂,” and its business entity type is “Combined.” It operates in manufacturing from Wenzhou, Zhejiang, China, while its English name indicates both machinery industry and trading activities.

After-Sales capabilityThe supplier explicitly reports having an after-sale service center and an excellent quality control system. However, the materials do not describe service scope, response arrangements, or overseas after-sales coverage, so the evidence supports the existence of a service function but not its overall effectiveness.

Production capacityThe supplier reports strong production capacity, Japanese CNC machinery, automatic equipment, complete inspection equipment, and a quality control system. It also provides stated annual quantities for spray balls, butterfly valves, pipe fittings, check valves, and pumps, indicating established production across multiple sanitary product categories.

Customization capabilityThe supplier explicitly states that it can design products according to customer drawings and samples, directly supporting customization capability. OEM, ODM, and 3D design service statuses are otherwise unknown, so the evidence supports drawing/sample-based customization but not a full range of design services.

Product Q&A

Q:Are you a trading company or factory?

We are a manufacturing trading integration.

Q:Do you provide Mill test certificates?

Yes, Mill test certificate is very important for the food processing machines.

Q:Can I get a free sample before ordering?

Yes, our company is very pleased to send you a free sample for quality test as long as freight cost is paid by buyers themselves.

Q:What are the payment terms?

For small testing orders, we accept Paypal, Western Union, T/T and credit Card. For mass orders, we accept T/T and L/C.

Q:How do you control quality?

Quality control is very important to avoid material mixing and poor quality. If you need inspection report, we will send you in excel file to show real photo. We control the quality from beginning to the end. We only have 304 and 316L two different materials. 100% inspection on raw material. During production, different materials in different place. After materials are finished, we choose 10% for inspection. If there is 0.1% problem in 10%, then no excuse to go ahead for inspecting 100% of the m