Forged Body Three-Piece Extended Welded Ball Valve Full Bore with Locking Device
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Product Highlights
- Three-Piece Split Structure: Enables easy in-line maintenance without removing the valve from the pipeline.
- Extended Stem Design: Ideal for insulated pipelines and buried installations with exceptional strength.
- Full Bore Flow: Provides 1/4 to 6 inch (DN6-DN150) full port for maximum flow efficiency.
- Blow-out Proof Stem: Ensures safety and prevents stem ejection under high pressure conditions.
- Bidirectional Sealing: Delivers bubble-tight sealing compliant with ISO 5208 standards.
- Multiple Thread Options: Available in BSPT, BSP, NPT, DIN, JIS, RC, and G thread types.
- ISO 5211 Mounting Pad: Optional direct mounting pad for easy actuator installation.
Product Attributes
- Customization
- Available
- Working Temperature
- -20ºC~280ºC
- Body Material
- Wcb, CF8, CF8m
- Model NO.
- Forged Three-piece Extended Welded Ball Valve
- Thread Type
- BSPT/Bsp/NPT/DIN/JIS/RC/G
- Design Standard
- GB/T-12224/ANSI B16, 34
- Transport Package
- Woodbox
- Specification
- BLOW-OUT PROOF STEM/FULL PORT
- Trademark
- *accept customization
- Origin
- Wenzhou, Zhejiang, China
- HS Code
- 8481804090
- Production Capacity
- 20000sets/Month
- Package Size
- 30.00cm * 20.00cm * 30.00cm
- 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 Forged Body Three-Piece Extended Welded Ball Valve Full Bore with Locking Device
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Product Description
The Three-piece Extended Welded Ball Valve is a high-performance industrial valve integrating a three-piece split structure, extended stem, and butt-weld connection. It features a forged stainless steel body for exceptional strength and corrosion resistance, with an extended stem design ideal for insulated pipelines and buried installations. The three-piece construction enables easy in-line maintenance without removing the valve from the pipeline. It delivers bidirectional bubble-tight sealing, low operating torque, and 90° quick operation. Compliant with and ISO 5208 standards, it suits high-pressure and high-temperature systems. Widely used in oil, gas, chemical, and pipeline projects, it ensures stable, long-lasting performance under demanding conditions.
1.Full port,1/4'~6"(DN6~DN150)
2.W.P.:1000WOG (PN63)
3.W.T.:-20°C~180°C
4.Investment casting
5.Blow-out proof stem
6.Locking device handle (option)
7.ISO5211 Direct mounting pad (option)
8.Butt weld type: ASME B16.25 & DIN3239 part1
Scope
| Nominal size | BLOW-OUT PROOF STEM/FULL PORT |
| Nominal pressure | PN63/1000WOG |
| Design Standard | GB/T-12224/ANSI B16,34 |
| THREAD TYPE | BSPT/BSP/NPT/DIN/JIS/RC/G |
| Body material | WCB,CF8,CF8M |
| Working Temperature | -20ºC~180ºC |
| Operation | Manual |
Detailed Photos
RST Valve Group CO.,Ltd Was Founded In Wenzhou City With Many Years Of Experience In Manufacturing Different Kinds Of Industrial Valves, Including Stainless Steel Thread 1pc/2pc/3pcBall Valves, Flange Ball Valves(jis/din), Thread Gate Valves, Flange Gate Valves, Thread Globe Vawes, Flange Globe Valves, Thread CheckVawes,Flange Check Vales,Thread Y Sirainer And Flange Y Strainer, Etc.
The Team At RST Is Dedicated To Provide The Best Valves For The Most Demanding Industries. Our Growth And Success Can Be Attributed To Our Employees And Their Relentless Pursuit Of Unsurpassed Quality And Customer Service. Encompass Our Customers' Needs Into The Manufacturer Of Safe & Reliable Quality Valves Products At A Competitive Price In A Timely Manner Ensuring Complete Customer Satisfaction And Loyalty.
We Are lso9001: 2008 & Ce Certified Manufacturer & Supply Different Kinds Of Valves To 0il & Gas And Industrial Applications.Commitment Quality & Competitiveness Are The Pillars Of Our Valve System. We Understand The lmportance Of Each Of These Parameters For The Success Of Business. Every Member Of Our Team ls Committed To Deliver The Best To You And Your Organization. Just As We StriveTo Use The Latest Technologies Tolmprove Our Manufacturing Practices& Products,We Will Continually Dedicate Ourselves To Making Our Customers & Our Partners.
All These Valves Are Available In Forged & Casting Materials To Meet Customer Requirements & Specifications.
Look Forward To Serving You With Our Quality Products And Service Every Time.

If you have any inquiries or questions about our valves, please do not hesitate to contact us as soon as possible. We will do our best to offer you a competitive price.
1. What's standard for ball valve? Such as DIN, SMS
2. What's material quality? Such as SS304 and SS316L for optional
3. What's size? The available size is from 1/4inch to 4inch
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR233317". Items marked "" are certified.
Company Profile
RST Valve Group Co., Ltd was founded in Wenzhou City with more than 10 years of experience in producing different kinds of industrial valves. It is a high-tech comprehensive valve enterprise with design, research and development, manufacturing, sales and service.
RST VALVE owns more than 100 employees. In our production line, we have CNC machining equipment, grinding machines, assembly machines, welding torches, hydraulic / air testing equipment at our workshop. The annual production capability of the factory can reach 6000 tons. RST Valve is an ISO, CE and TS certified manufacturer with much experience of exporting. It keeps continuous innovation and owns a strong technical force, excellent equipment, complete testing system, and strict management system. Inspection includes raw material inspection, dimensional inspection, processing inspection, chemical testing, physical testing, pressure testing, etc, which guarantee the quality of finished products.
RST VALVE can offer different kinds of industrial valves, including ball valve, gate valve, check valve, globe valve, y strainer, etc. Our products are performed in accordance with national standards of API, ANSI, DIN, JIS, BS and GB and so on. Our various products are widely used in petrochemical industry, petroleum refining, nuclear power, chemical industry, metallurgy as well as mining, medical industry, food industry, national defense, military and urban construction and many other fields. Moreover, RST Valve accepts Valve OEM, ODM inquiry from customers.
RST Valve products have got great appreciation in a variety of different markets throughout the world. Our goal is "Made In China, Focus on World". RST VALVE is committed to improve our manufacturing practices and product quality and to serve better our customers and partners. RST VALVE forges ahead with broad minds, and warmly welcome domestic and foreign customers to visit and cooperate with our company. Thanks for your trust and support!
RST Main Products:
Ball Valve
---Trunnion Flange Ball Valve
---1 PC Male/Female Thread Ball Valve
---2 PC Male/Female Thread Ball Valve
---3 PC Male/Female Thread Ball Valve
---1 PC Flange/Welding/Union Ball Valve
---2 PC Flange/Welding/Union Ball Valve
---3 PC Flange/Welding/Union Ball Valve
---Three way flange ball valve
Globe Valve
---Male/Female Thread Globe Valve
---Stainless Steel Flanged Globe Valve
---Cast Steel Flanged Globe Valve
Gate Valve
---Male/Female Thread Gate Valve
---Stainless Steel Flanged Gate Valve
---Cast Steel Flanged Gate Valve
Check Valve
---Wafer Check Valve
---Spring Check Valve
---Dual Disc/Plat Wafer Check Valve
---Swing Check Valve
---Flange Check Valve
Pneumatic Ball Valve
Pneumatic Angle Seat Valve
Electric Ball Valve
Electric Angle Seat Valve
Y Strainer/Filter
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 1887 Tianzhong Rd, Yongzhong Street, Longwan District, Wenzhou, Zhejiang, China
-
Plant Area
- 12000 square meters
-
Number of Employees
- 111
-
Registered Capital
- 113,190,000 RMB
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR
-
Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays -
Nearest Port
- Ningbo Port, Shanghai Port
Our Production Capability & Technical Expertise
-
Main Products
- Industrial Valves
-
Production Machines
- CNC Lathe, Lathe, Radial Drilling Facility
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 2 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-07-25
- Export Year
- 2011-10-01
-
Main Markets
- North America, South America, Europe, Southeast Asia/ Mideast, Africa, Domestic
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE
FAQ
- What is the standard for the ball valve?
- The valve complies with GB/T-12224 and ANSI B16.34 standards, with options for DIN and SMS.
- What material qualities are available?
- Body materials include WCB, CF8, and CF8M. Stainless steel options like SS304 and SS316L are available.
- What sizes are available?
- The available sizes range from 1/4 inch to 6 inches (DN6 to DN150).
- Is the locking device handle standard or optional?
- The locking device handle is an optional feature for this valve model.
- What is the maximum working pressure?
- The working pressure is rated at PN63 or 1000WOG.
- Does the valve support butt-weld connections?
- Yes, it features butt-weld connections compliant with ASME B16.25 and DIN3239 part1.
- What certifications does the manufacturer hold?
- The manufacturer is ISO9001:2008 and CE certified.
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