Clamp Worm Butterfly Valve
Clamp Worm Butterfly Valve

Clamp Worm Butterfly Valve

The butterfly valve refers to a disc of the closed part (butterfly plate), which rotates around the valve shaft to achieve opening and closing. it mainly plays a cutting and throttling role in the pipeline and is used to adjust and cut off the flow of the medium.

Product Features

1. Small and lightweight, easy to disassemble and repair, and can be installed in any slot

2. Simple structure, compact, 90. Fast rotation and opening closing.

3. The operation torque is small, labor-saving and lightweight.

4. The flow characteristics tend to the straight line and have good adjustment performance.

5. The number of opening and closing tests is up to tens of thousands and has a long life.

6. To achieve complete sealing, gas testing leakage is zero.

7. Choose different parts materials and can be applied to a variety of media.

Technical Specifications

Technical  Parameters


Nominal pressurePN10PN16
Test pressureShell strength1.5 2.4 MPa
Liquid high pressure seal1.1 1.76 
Gas low pressure seal0.6 0.6 
Medium     temperature-10-80℃
Applicable mediumClear water,etc


Overall Dimensions


D371X/F-10D371X/F-16
SpecificationsLH1H2DZ-φd
LH1H2DZ-φd
50 43 80 160 125 4-1950 43 80 160 125 4-19
65 46 88 175 145 4-1965 46 88 175 145 4-19
80 46 96 180 160 8-1980 46 96 180 160 8-19
100 52 115 200 180 8-19100 52 115 200 180 8-19
125 56 128 213 210 8-19125 56 128 213 210 8-19
150 56 140 225 240 8-23150 56 140 225 240 8-23
200 60 175 260 295 8-23200 60 175 260 295 8-23
250 68 202 290 350 12-23250 68 202 290 350 12-28
300 78 242 330 400 12-23300 78 242 330 400 12-28
350 78 266 360 460 16-23350 78 266 360 460 16-28
400 102 298 390 515 16-23400 102 298 390 515 16-28
450 114 315 410 565 16-28450 114 315 410 565 20-31
500 127 348 430 620 20-28500 127 348 430 620 20-37
600 154 400 490 726 20-31600 154 400 490 726 24-37
700 165 520 550 840 24-31700 165 520 550 840 24-40
FAQ
Do your products and services cover overseas markets? Can they meet the equirements of international projects?

As a global supply chain service provider with operations in over 30 countries and regions, our comprehensive product range—encompassing pipes, fittings, valves, and fire-fighting equipment—has obtained ISO international quality certification and complies with multiple regional standards, including CE, UL, and SASO. These products have been successfully implemented in various international scenarios, such as infrastructure projects in Southeast Asia, commercial complexes in the Middle East, and fire renovation projects in Eastern Europe. For both regular procurement and cross-border customization, we offer an integrated solution that spans product selection, customs clearance, and logistics management.  

When overseas customers customize products with special specifications, do you support alignment with international standards? What are the differences in the process?

Absolutely. For overseas customization requests, our engineering team collaborates directly with international blueprints and technical specifications to provide multi-standard compatible designs, including wall thickness conversion and pressure grade adaptation. Additionally, we provide:  

- Third-party testing reports for pre-production samples  

- Packaging labels compliant with the destination country's regulations  

- Bilingual technical documentation and compliance certificates to ensure smooth local acceptance

How is the quality of overseas orders ensured? Can you provide local certification documents?

We enforce a global quality control system that surpasses national standards. Each batch undergoes rigorous testing, including raw material composition analysis, pressure burst tests, and salt spray corrosion resistance evaluations, accompanied by bilingual (Chinese-English) quality inspection reports. Based on project location requirements, we can furnish free certification documents for target markets, such as CE (European Union), UL (United States), and BIS (India). Furthermore, we support on-site inspections and remote video audits to ensure full transparency in the quality control process. 

What is the delivery cycle and logistics plan for overseas orders?

The standard delivery cycle for overseas orders ranges from 25 to 45 working days. We offer diverse shipping options, including full container loads, less-than-container loads, and air freight express services. Our international logistics network covers major ports and airports worldwide. To facilitate swift customs clearance, we provide essential international certification documents, such as certificates of origin and commercial invoices. Leveraging our bonded warehouses in Hong Kong and Shenzhen, select Southeast Asian orders can be expedited with delivery within 7 to 10 days.

How is overseas after-sales support implemented? Does the warranty period include international shipping fees for returns and exchanges?

We deliver cross-border after-sales support through a 7x12-hour customer service model (email/WhatsApp/phone) with a guaranteed response time of two hours and a resolution proposal within 24 hours. For warranty-related quality issues, we cover basic shipping costs from Chinese ports or airports to the destination port. Additionally, we provide remote technical guidance, bilingual materials, and coordinate online support with engineers when necessary.

Can you offer customized solutions for non-standard pipe/valve sizes or fire system designs?

Absolutely. As a one-stop supplier, we specialize in customizing products to match your unique project needs:

Customizable parameters: Pipe diameter (DN15-DN2000), valve pressure rating (PN10-PN400), material (304/316 stainless steel, carbon steel, galvanized steel);

Fire system customization: We collaborate with your engineers to design integrated systems (e.g., high-rise building fire pipelines + matching valves + sprinklers) and provide 2D/3D drawings for confirmation before production.

Sample production is available for testing prior to mass orders.

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