Pressure Relief Valve Application Using 316 CF8m Two-Piece Flanged Ball Valve

• Customization: Available
• Media: Water, Oil, Gas
• Material: Stainless Steel
• Connection Form: Flange
• Driving Mode: Manual or Pneumatic or Electrical
• Nominal Pressure: Pn16-40/Class150/10K
• Channel: Straight Through Type
• Structure: Floating Ball Valve
• Type: Floating Ball Valve
• Function: Bypass-Valve
• Temperature: -20 Degree to 180 Degree
• Standard: DIN/ANSI/JIS/GB
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Certificates: ISO9001-2015, CE
• OEM/ODM: Acceptable
• Thread Standard: BSPT, Bsp, NPT etc
• Torque: Low Torque
• Casting: Wax Lost Investment Casting Technology
• Passway: Full Port/Full Bore
• Stem: Blow-out Proof Stem
• Transport Package: Cartons & Plywood Cases
• Specification: DN15(1/2") to DN150(6")
• Trademark: WELFLOW
• Origin: China
• HS Code: 8481804090
• Production Capacity: 50000piece/Month
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

2PC Flanged Ball Valve

   The 2PC ball valve features a two-piece stainless steel body design, providing reliable shut-off performance and convenient maintenance. It is available with high platform or low platform options to accommodate different installation and actuation requirements. Manufactured from SS304 and SS316 materials, the valve offers excellent corrosion resistance and durability. With high-quality sealing materials such as PTFE and RPTFE, it ensures tight sealing and long service life. Suitable for water, oil, and gas applications, the valve supports multiple pressure ratings including 1000–2000 WOG, PN16, PN40, and Class 150, and is available in standard sizes with OEM/ODM customization.

	Ball Valve	Gate Valve	Globe Valve	Check Valve	Strainer
Size ranging	1/8"-8"	1/2"-8"	1/2"-8"	1/2"-8"	1/2"-8"
Material grade	SS304, SS316, CF8M, CF8	SS304, SS316, CF8M, CF8	SS304, SS316, CF8M, CF8	SS304, SS316, CF8M, CF8	SS304, SS316, CF8M, CF8
Max temperature	-30-150ºC	-30-150ºC	-30-150ºC	-30-150ºC	-30-150ºC
Pressure	1000-2000WOG /PN16/PN40/CLASS150	200WOG	200WOG	800WOG/PN16/PN40	800WOG
Seal	PTFE,RPTFE, PPL	PTFE,RPTFE, PPL	PTFE,RPTFE, PPL	PTFE,RPTFE, PPL	PTFE,RPTFE, PPL
Medium	Water, Oil, Gas, etc	Water, Oil, Gas, etc	Water, Oil, Gas, etc	Water, Oil, Gas, etc	Water, Oil, Gas, etc
Certification	CE, ISO9001, BV	CE, ISO9001, BV	CE, ISO9001, BV	CE, ISO9001, BV	CE, ISO9001, BV
Service	OEM/ODM	OEM/ODM	OEM/ODM	OEM/ODM	OEM/ODM
We supply standard sizes, and we can also accommodate custom orders manufactured in accordance with your drawings.

Product Description

1. Corrosion-Resistant Materials
Made from 304, and 316 stainless steel for reliable performance in demanding industrial environments.

2. Reliable Sealing Performance
High-quality seals (PTFE, RPTFE, PEEK, PPL) ensure tight sealing and long service life.

3. Easy Installation & Maintenance

Standardized design allows quick installation and convenient maintenance.

4. Wide Range & Custom Options
Available in ball, gate, globe, check, and butterfly valves, with OEM/ODM customization supported.

5. International Standards Compliance
Manufactured to CE, ISO, GB, JIS, DIN, EN, ANSI/ASME standards for global applications.

6. Stable Quality & Fast Delivery
Advanced CNC machining and efficient production ensure consistent quality and on-time delivery.

Certifications

Packing & Delivery

After Sales Service

Warranty Service

Transportation Tracking

Professional Technical Team

We offer a three-year warranty for our valves to ensure product quality and reliable performance. During the warranty period, products found to have defects in materials or workmanship under normal operating conditions will be repaired or replaced in accordance with our warranty policy. Our service team will respond promptly to warranty requests and provide technical support to help minimize downtime and ensure stable operation.

We provide transportation tracking support to keep customers informed of shipment status throughout the delivery process. Our team monitors logistics progress, provides timely updates, and assists with coordination to ensure products are delivered safely and on schedule. In case of any delays or transportation issues, we promptly communicate and support resolution to minimize impact on project timelines.

We provide Installation & Commissioning Support and Troubleshooting & Failure Analysis to ensure proper installation and reliable operation of our valves. Our technical team offers installation guidance, remote commissioning assistance, parameter verification, and fault diagnosis with practical recommendations to quickly resolve issues, reduce downtime, and improve reliability.

Customer Comments

Company Profile

Zhejiang Welflow Valve CO., Ltd

Welflow is a professional valve manufacturer with 6 years of experience, a team of over 50 employees, and more than 20 CNC machines, ensuring high-precision, stable-quality, and efficient production. We specialize in ball valves, check valves, gate valves, globe valves, threaded fittings, and flanges for industries such as petrochemical, water, power, energy, and mechanical systems. Certified with CE, ISO 9001:2015, and BV, we maintain strict quality control and offer flexible OEM/ODM services, adapting materials and specifications to meet diverse market and customer requirements. Originally focused on the U.S., we now serve customers in Australia, Europe, South America, and Southeast Asia, earning long-term trust through reliable products, customization, and professional service. Welflow aims to be a globally recognized valve brand, delivering high-quality products, tailored solutions, and dependable support to help your business grow.

Factory & Workshop Show

Canton Fair & Exhibitions

FAQ                                                                                                                                                        

1. Are you a factory?
Yes, Welflow is a factory located in Wenzhou, Zhejiang, China.

 
2. Do you have any MOQ requirements?
There is no strict MOQ limitation; however, the unit price may vary depending on order quantity.

 
3. Payment Terms
Typically 30% T/T as deposit, and 70% against copy of B/L, or balance by L/C at sight.

 
4. Nearest Sea Port
Ningbo Port or Shanghai Port

 
5. Trade Terms
FOB Ningbo/Shanghai, CIF, FCA, etc.

 
6. Delivery Time
Typically 30–35 days after receiving the deposit.
However, many standard items are available from stock, especially in SS304 material.

 
7. Can you accept color marks or color boxes?
Yes, both color marks and color boxes are acceptable. We have experience handling customized packaging.

 
8. Can you accept logo marking on the products?
Yes, logo customization is available on handles or valve bodies. Options include:

Printing on the handle (No MOQ required)
Laser marking (No MOQ required)
Engraving / carving (No MOQ required)
Casting on valve bodies (MOQ required)
 
9. Do you provide material certificates?
Yes, material certificates are available upon request. Each item can be laser marked with a Heat Number and supplied with corresponding material certificates.

 
10. How do you handle customer complaints, such as quality issues?
We take quality issues very seriously. Once a quality problem is confirmed, we will take full responsibility.
Exchange or refund solutions are available, depending on the specific situation and customer requirements.