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Help CenterBS 5155 Flange End Butterfly Valve DN50~DN800 PN10 PN16 API 598 Test Oil Gas Chemical Water Treatment
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1. Product Overview
Our BS 5155 Lug Type Flange End Butterfly Valve is widely applied in oil, gas, chemical, water treatment and thermal power station cooling water systems. It supports multiple driving modes and connection types, with complete specifications, reliable sealing and stable performance for industrial pipeline regulation and cut-off.
2. Main Features
Standard compliance: Designed per BS 5155, flange standard BS4504/EN1092-2, tested by API 598
Premium material: Cast iron/ductile iron body, stainless steel stem and disc, corrosion resistant and durable
Multiple seal options: NBR, EPDM, PTFE, RPTFE for tight sealing and long service life
Flexible selection: Manual, worm gear, electric operation; flange and wafer connection optional
Full size & pressure: Size 2"~28" (DN50~DN800), pressure PN10/PN16
3. Technical Parameter
Size: DN50～DN800 (2"～28")
Pressure Class: PN10 / PN16
Design Standard: BS 5155
Flange Standard: BS4504 / EN1092-2
Face to Face: BS Standard
Test Standard: API 598
4. Material List
Body: Cast Iron / Ductile Iron
Stem: 2Cr13 / SS304 / SS316 / Carbon Steel
Disc: Ductile Iron / SS304 / SS316
Seat: NBR, EPDM, PTFE, RPTFE
Handle: ASTM A536 65-45-12
5. Application Scope
Suitable for oil, gas, chemical industry, water treatment project, thermal power station cooling water system and other industrial pipeline medium flow control and shut-off.
About Our Factory
Our factory is a professional valve manufacturer with more than 30 years of production experience, located in Xingtai, Hebei, China. The factory covers an area of 70,000 square meters, with 400+ employees, and has passed ISO9001 quality management system certification. Our products are exported to more than 50 countries and regions in Europe, America, Southeast Asia, Middle East and Africa, winning high praise from global customers. We adhere to the business philosophy of "Quality First, Customer Supreme", providing customers with high-quality products and professional services. Welcome to contact us for inquiry and cooperation!
✅ International Quality Certification
Our company is certified by ISO 9001 Quality Management System, ensuring strict quality control throughout the production process, and delivering reliable valve products to global customers.
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🔹 Packaging and Transportation
Packaging：Standard export plywood case / carton, with foam protection to avoid damage during transportation
Delivery Time：3-7 working days for stock, 15-20 working days for customized orders
Shipping Method：Sea freight, air freight, express (DHL, FedEx, etc.)
Customization Support：Accept customized size, pressure, material, logo, etc.
Q&A
Q: What is your lead time for standard and customized orders?
A: Standard orders are usually shipped in 3-5 working days, while customized orders take around 20 days.
Q: Do you provide warranty for your valves?
A: Yes, we offer a 1-year warranty against manufacturing defects.
Q: Which international standards do your valves comply with?
A: Our valves meet multiple standards, including GOST (Russian), ASME/ANSI (American), DIN (German), JIS (Japanese), BS (British), and EN (European) standards.
Q: Are you a manufacturer or a trading company?
A: We are a direct factory with in-house production capabilities, ensuring stable quality and competitive pricing.
Q: Can you customize valves based on specific technical requirements?
A: Yes, we support customized designs, materials, and specifications to meet different project and regional standard needs.
Please Contact
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