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Help CenterPneumatic Shut-off Valve DN25-DN80 Fire Safe Cut Off Valve ANSI Standard Supports Remote Signal Control
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Product Introduction
This emergency shut-off valve assembles pneumatic diaphragm or floating piston actuator with valve body. It receives signals from leakage detector to control fluid cut-off, connection and switching.Built-in fusible alloy core melts automatically under high temperature accident, realizing pressure relief and rapid closing of tank access port, effectively protecting storage tank system safety. Applicable cylinder opening pressure 0.3-0.6MPa, working pressure no less than 0.4MPa to guarantee steady operation.
Technical Specifications
Size: DN25-DN80
Pressure Rating: PN10, PN16, PN25, 125LB, 150LB
Face to Face Standard: ANSI B16.10
Flange Standard: ANSI B16.1
Test Standard: MSS SP-70, API 598
Component Material
Body, Bonnet: ASTM A126B Cast Iron
Stem: 2Cr13, SS304, SS316, Carbon Steel
Product Advantages
Signal remote control, quick fluid cut-off response
Fusible alloy design, automatic shutdown under high temperature fire hazard
Multiple pressure grades, wide adaptability for tank pipeline
Premium corrosion resistant material, durable service life
Comply with international testing standards, high safety and reliability
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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