BS1868/API6d Non Return One Way Bolted Bonnet Flange Swing Check Valve

• Customization: Available
• Media: Oil, Gas, Water and Some Corrosion Medium
• Temperature: Cryogenic, Normal, High
• Model NO.: J-VALVES-H44H
• Material: Carbon Steel, Stainless Steel, Duplex Steel, Alloy
• Connection Form: RF, FF, Rtj, Bw
• Structure: Swing
• Pressure: Ordinary Temperature
• Function: Anti-Backflow
• Sealing Form: Pressure Sealing
• Flow Direction: Unidirection
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Working Pressure: 150lb/300lb/600lb/900lb/1500lb/2500lb
• Warranty: 12 Months
• Delivery Time: 15~20 Days
• MOQ: 5PCS
• Size: DN50~DN800
• Working Temperature: -196 C~400 C
• Seat Material: API600 Trim Standard
• Passage Bore: Full Bore
• Disc: Swing Type Single Disc
• Medium Flow: One Way, Non-Return
• Advantage: OEM/ODM
• Delivery Methods: by Sea, by Air, by Trian, by Express DHL/FedEx/TNT
• Body Material: Wcb, Wcc, Wc6,Wc9, Lcc, Lcb, Ss, etc.
• Operated: Automatic
• Install: Suggest Horizontal Way
• Transport Package: Standard Plywood Case
• Specification: 2''~32''
• Trademark: J-VALVES
• Origin: Wenzhou, China
• HS Code: 8481804090
• Production Capacity: 8000 Ton/Year
• Package Size: 100.00cm * 50.00cm * 50.00cm
• Package Gross Weight: 50.000kg

Product Description

J-VALVES provide Industrial Valves, including , , , ,, and other types , which use for pipeline and equipment connections. 
 
Our Products could produce in both casting and forging type to meet different applications. J-VALVES products could meet  standards requirements. 

Product Description

Product Name	Bolted Bonnet Flange Swing Check Valve
Size	2″ to 48″ (DN50 to DN1200)
Pressure Rating	150LB to 2500LB (PN10 to PN420)
Temperature Range	-29℃ to +425℃
Valve Body	Carbon steel (WCB)
Valve Disc	Carbon steel (WCB) + hard alloy (e.g., Stellite No.6)
Valve Stem	Stainless steel (304/316)
Sealing Material	PTFE, RPTFE
Connection Type	Flange connection (compliant with ASME B16.5 standard)
Design Standards	API 6D, ASME B16.34
Testing Standards	API 598
Fire-Safe Design	API 607
Applicable Media	Water, oil, gas, chemical media, etc.

Advantages and Value

1. High Reliability: The carbon steel material and swing-type design ensure the valve operates stably in medium-high pressure and medium-high temperature environments, reducing maintenance frequency and downtime.

2. High Safety: Fire-resistant and anti-static designs, along with reliable sealing performance, effectively reduce leakage risks and protect the safety of personnel and equipment.

3. Automated Operation: Operates automatically without external power, reducing operating costs and maintenance workload.

4. Easy Installation and Maintenance: The flange connection simplifies the installation process and facilitates maintenance and overhaul.

5. Wide Applicability: Multiple material options and a broad range of pressure and temperature ratings allow the valve to adapt to various complex working conditions and medium characteristics.

Application Scenarios

1. Oil and Gas Industry: Used in oil and gas field exploration, gathering, transportation, and processing systems to ensure reliable isolation and control of media.

2. Chemical Industry: Suitable for conveying and reaction systems of various chemical media, preventing medium leakage and ensuring production safety.

3. Pharmaceutical Industry: Applied in pipeline systems during pharmaceutical production to ensure medium isolation and cleanliness in the drug manufacturing process.

4. Food and Beverage Industry: Meets food-grade requirements, used in pipeline systems for food and beverage production to ensure hygiene and safety.

5. General Industrial Applications: Suitable for controlling and isolating media such as water, oil, and gas.

Pressure Testing

Testing and Inspection standard according to API598

Pressure	150LB	300LB	600LB	900LB	1500LB	2500LB
Strength Testing	3.0	7.5	15.4	23.0	37.5	63.0	Mpa
Seal Testing	2.2	5.5	11.2	16.9	27.5	46.2
Air Testing	0.6	0.6	0.6	0.6	0.6	0.6

Technical Drawing

After-sales Service

1.  24/7 Global Technical Support.
2.  Rapid Emergency Repair & Replacement.
3.  On-Site Field Service Technicians.

4.  Comprehensive Valve Repair & Overhaul.
5.  Genuine OEM Spare Parts Guarantee.
6.  Proactive Maintenance Programs.

7.  Extended Warranty Options.
8.  Valve Retrofit & Upgrade Services.
9.  Detailed Installation & Operation Training.
10. Full OEM Documentation & Lifecycle Support.

Company Profile

ZHEJIANG J-VALVES FLUID EQUIPMENT CO., LTD

Zhejiang J-VALVES Fluid Equipment Co., Ltd., founded in 2018 and headquartered in Wenzhou, Zhejiang Province, is an integrated manufacturing and trading company specializing in the export of industrial valves and pipeline fittings. The company holds certifications includingFire Safe Certification, demonstrating its commitment to providing customers with safe, reliable, and competitive products, along with professional industry solutions and high-quality services.
 
J-VALVES main product lines include . These products are available in materials such as , catering to demanding applications in petroleum, architecture, metallurgy, chemical, electricity, and hydraulic industries.
 
Supported by a dedicated technical team and rigorous quality inspection department, J-VALVES delivers customized products and services. Every product undergoes to ensure excellence. The company's meticulous management system and growing, dynamic team drive its sustainable development.

Factory Advantage

Other Products

OEM/ODM capabilities
Competitive pricing & bulk discounts
Fast shipping & customs clearance support
Turnkey project solutions
Professional engineer and quality control team
100% inpection before delivery 
15000 square meters factory 
Strong production capacity
Professional coordination skills

Floating type Ball Valve
Trunnion type Ball Valve
Soft Seat Ball Valve
Metal Seat Ball Valve
API600 Gate Valve
API623 Globe Valve
BS 1868/API6D Check Valve
Plug Valve
Triple Offset Butterfly Valve
Y & Busket Type Strainer

Certifications

Packing & Delivery

Delivery Time	10-30 Days
Package	Standard Exporting Plywood Case
Shipping Port	Ningbo/Shanghai sea port, China
Shipping Terms	EXW, FCA,CPT CIP, DAP, DPU. DDP, FAS.FOB.CFR.CIF
Payment Terms	T/T. DP, LC at sight
Payment condition	30% prepayment, 70% balance paid before shipping or against copy of BL
Country of Origin	China
Production Capacity	8000 Ton/year
Certificates	API6D.API600,API602,API607.CE,ISO9001,IS014001,IS045001.SIL3.and IS015848.CE
MOQ	10 PCS/size(Special material depends on)

Products Package

FAQ

1. Are you a trading company or factory? 
We are a manufacturer factory and we also have our own exporting license. 

2. Do you have certificate? 
Yes, ISO9001, ISO14001, ISO45001, API6D, API600, API602, CE, PED certificate. We also have some patents in design. 

3. How do you control the quality? 
In quality control, the most important is to avoid material mixing. 
In our factory, 3 spectro PMI machines are used in raw material warehouse, production plant, dispatch plant. 
Pressure inspecting machine, PMI machines, RA roughness spector, hardness testing machine...All machines help in inspection.

4 staff inspect during production in different sections
5 staff inspect the finished productions to avoid shortage, poor quality, mixing chemical...

4. How big factories do you have?

We have total 25000 square meters in Wenzhou city & Lishui city, Zhejiang Province, China. 

5. If there is any quality problem, how do you solve it? 
We are very proud that we never make one customer leave us. We are not 100% perfect, there is some quality problem. 
Normally replacement, or compensation, or resend goods to customers as per the condition. To be discussed as per condition. 

6. How long is your delivery time? 
For normal products in 7-10 days; For bulk order, in 15-25 days. It depends. 

7. Warranty time? 
3 years warranty for all of our stainless steel products. Gaskets or the easy broken parts are not included due to the different application for customers. 

8. Why trust in us? 
14 years in this industry. It makes us professional. Good credit in this market. 
All of our machines are the assurance of our responsibility. 

9. Free sample? 
Free samples can be provided for first cooperation under sincere cooperation