DN100 SS316 Stainless Steel Dual Plate Double Disc Check Valve Butterfly Swing
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Product Highlights
- SS316 Corrosion Resistance: Constructed of high-quality SS316 stainless steel for excellent corrosion and chemical resistance.
- Double Disc Design: Ensures minimal pressure drop, high flow rates, and a tight seal to prevent fluid backflow.
- Butterfly Swing Style: Facilitates easy installation and maintenance, offering a cost-effective backflow prevention solution.
- Automatic Operation: Operates automatically without external power or manual intervention, ideal for safety-critical pipelines.
- Wide Application Range: Suitable for fresh water, sewage, air, steam, food, medicine, oils, and acids.
- Flexible Customization: Offers customization from samples, designs, full customization, minor customization, and flexible options.
- Quality Assurance: 100% inspection including visual and function checks with traceable raw materials.
- ISO Certified Manufacturer: Established in 2017 with ISO9001:2015 and ISO14001 certifications and 33 employees.
Product Attributes
- Customization
- Available
- Media
- Water
- Temperature
- Ordinary Temperature
- Model NO.
- LK-H25
- Material
- Cast Iron
- Connection Form
- Wafer
- Structure
- Butterfly
- Pressure
- Low Pressure
- Function
- Ddcv Double Lobe
- Sealing Form
- Rubber Seal
- Flow Direction
- Unidirection
- Standard
- BSW
- Application
- Industrial Usage, Water Industrial Usage
- Standard or Nonstandard
- Standard
- Product Name
- Double Disc Check Valve
- Blade
- Rubber
- Connection
- Wafer
- Working Temperature
- <80
- Working Pressure
- Pn16
- Weight
- Depend on Differenct Size
- Color
- Blue
- Body Material
- Ductile Iron
- Stem
- Stainless Steel
- Transport Package
- Wooden Case Packaging
- Specification
- 2in
- Trademark
- like
- Origin
- China
- HS Code
- 8481804090
- Production Capacity
- 1000000
- Package Size
- 10.00cm * 10.00cm * 8.00cm
- Package Gross Weight
- 3.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of DN100 SS316 Stainless Steel Dual Plate Double Disc Check Valve Butterfly Swing
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Product Description

DN100 SS316/CF8m Stainless Steel Dual Plate Double Disc Check Valve Butterfly Swing Style
SS316 stainless steel double-plate double-disc check valve is a check valve used to prevent fluid backflow in pipelines. It is constructed of high-quality SS316 stainless steel for excellent corrosion and chemical resistance, making it suitable for harsh environments where fluids may be corrosive. The valve features a double plate design which ensures minimal pressure drop across the valve and allows high flow rates. The double disc design also ensures a tight seal, preventing fluid backflow and keeping the pipeline running safely and efficiently. The valve's butterfly swing design facilitates installation and maintenance, making it a cost-effective solution for preventing backflow in pipelines. It operates automatically, which means no external power source or manual operation is required. The valve allows flow in one direction only, making it ideal for situations where backflow could damage equipment or the process.
Technical data
| DN (mm) Nominal diameter | 50(2″)~700(28") | 50(2″)~450(18") | |
| PN(MPa) Nominal pressure | 1.0 | 1.6 | |
| (MPa)
Testing pressure |
Shell | 1.5 | 2.4 |
| Sealing | 1.1 | 1.76 | |
| °C Suitable temperature | |||
| Suitable mediums | Fresh water .sewage, air, steam, food, medicine, oils, acids, etc. | ||
Meterial of main parts
| Body | Disc | Stem | Rubber gasket | Sping | ||||
| Name | Code | Name | Code | Name | Name | Code | Working temp | Name |
| Cast | Z | Plated ductile Iron | 1 | Stainless steel | EPDM | X3 |
-46~+121 Intemittence -50~+150 |
Stainless steel |
Ductile Irol |
Q | Aluminum bronze | 2 | Neoprene | X4 |
-29~+99 Intemittence -35~+113 |
||
| Carbon steel | C |
ZG1Cr13Ni9Ti Stainless steel |
NBR | X5 |
-35~+82 Intemittence -23~+93 |
|||
| Stainless steel | P |
CF8M Stainless steel |
5 | Neoprene | X7 | -23~+150 | ||
|
CF8M Stainless steel |
7 | |||||||
Product details

Qualification certificate





About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR256701". Items marked "" are certified.
Company Profile
LIKE VALVE (TIANJIN) Co., Ltd
American LIKE valves is a global supplier of flow control products, solution and services with a diverse range of products, for infrastructure and industrial fluid control. Our solution is an integral key part of the pipeline management solution, adopting advanced mechanical technology and automation system, so that the products always maintain excellent quality, and responding to customer needs correctly and fast. LIKE valve's customers and markets cover water supply and drainage, water treatment, heating, construction, fire fighting, HVAC systems, power plants, petrochemical, natural gas pipelines, ships and other fields.
LIKE valves always adhere to the quality policy of "quality is the life of products, products are the life of LIKE", have been passed ISO9001, ISO14001, OHSAS18001, TS, API, CE, RoHS, CCC certificate of professional testing institutions. We take customer satisfaction as the purpose, take our mission to realize the value by supply excellent service to our customers, strive to do even better on each product, each service, to provide continuous guarantee for customers all over the world.
LIKE valve adhering to the concept of "integrity, innovation, cooperation and mutual benefit", building our brand with product quality and customer satisfaction; Improving and surpass ourselves with unremitting pursuit and sustainable development. "LIKE Dream" will contribution to "China Dream" more wonderful!
Safe & Save, Let Like Help You!
1.25 years valves experience team (technical, quality control ); 10+ years experience sales team.
2. Professional technical and sales support with experienced teams.
3. Large products range: Types from butterfly valves, check valve, gate valves, globe valves, ball valves to control valves, strainers, various joints and fittings. Size from DN15 to DN3000. Pressure from PN2.5 to PN64, from 150LB to 1500LB.
Products got API6D certificate.
4. Multi-level products meet requirement of different market and customers.
5. Fast delivery, save expensive inland transportation: Only 40 minutes drive from our factory to the largest sea port -Tianjin seaport in northern China
6. Strict management and quality control system as per ISO9001(see in products catalog)
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- ROAD NO. 5, XIAOZHAN INDUSTRIAL AREA, JINNAN DISTRICT, TIANJIN, CHINA
-
Plant Area
- 3784 square meters
-
Number of Employees
- 33
-
Registered Capital
- 55,000,000 RMB
- Terms of Payment
- LC, T/T, Small-amount payment, Credit card
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Tianjin
Our Production Capability & Technical Expertise
-
Main Products
- Check Valve, Butterfly Valve, Gate Valve, Water Control Valve, Ball Valve, Globe Valve, Control Valve, Strainer, Joint, Safety Valve
-
Production Lines
- 2
-
Production Machines
- Assembly equipment, CNC machine tool, Hydraulic press, Voltage resistance testing machine
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-02-21
- Export Year
- 2007-03-02
- Main Markets
- North America, South America, Southeast Asia, Africa, Mid East, Western Europe
-
Repeat Buyers Choice
- 80%~100%
-
New Products Launched in Last year
- No
Our Certifications, Standards & Industry Recognition
-
Management System Certification
- ISO14001, ISO9001:2015
-
Product Certification
- CE
-
Cooperated with Fortune 500
- No
FAQ
- What materials are used for the valve body and disc?
- The valve body is made of cast ductile iron or stainless steel (CF8M), and the disc is made of stainless steel (EP3, CF8M) or aluminum bronze.
- What are the nominal pressure ratings?
- The nominal pressure (PN) ratings are 1.0 MPa and 1.6 MPa. The shell testing pressure is 1.5 MPa or 2.4 MPa, and sealing pressure is 1.1 MPa or 1.76 MPa.
- Is customization available for this valve?
- Yes, customization options include customization from samples, designs, full customization, minor customization, and flexible customization.
- What is the lead time for production?
- The peak season lead time is one month, while the off-season lead time is within 15 workdays.
- What certifications does the product have?
- The product has CE certification, and the manufacturer holds ISO9001:2015 and ISO14001 management system certifications.
- What are the payment terms?
- Payment terms include LC, T/T, small-amount payment, and credit card.
- What is the warranty or quality inspection process?
- Finished products undergo 100% inspection, including visual and function inspections, following uniform instructions with 3 QA/QC inspectors.
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