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UL FM Fire Gate Valve

This UL/FM dual-approved fire OS&Y gate valve features a ductile iron body and stainless steel stem. With visible stem position for easy status check, zero-leakage sealing, and manual fast closing (≤60s), it covers DN50-DN300 sizes and complies with global fire safety standards.
Valve Body Material:Ductile Iron
Gate Material:Copper Alloy
Operating Temperature:-10℃ to 120℃
Suitable Media:Fire Protection Water, Clean Water

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Product Details

Product Formation

This UL/FM certified fire outside screw & yoke gate valve is a high-reliability fluid control device engineered for fire protection systems, designed to meet strict international safety standards .
Constructed with a ductile iron bodyand 304/316 stainless steel stem, it features an OS&Y structure—where the valve stem moves externally. The copper alloy/stainless steel gate and EPDM rubber seal ensure API 6D Class VI zero leakage, even under extreme temperatures.
Available in sizes from DN50 to DN300  with flange connections, it operates via a manual red handwheel. Suitable for fire protection water and clean water, this valve delivers durable, low-maintenance performance for commercial, industrial, and residential fire safety systems, and is compliant with global standards.
 

KEY WORDS: UL FM approved fire gate valve、OS&Y fire gate valve for fire protection、DN100 fire gate valve UL certified、ANSI Class 150 fire gate valve、Zero leakage fire safety gate valve、Ductile iron fire OS&Y valve、Fire protection gate valve PN16/PN25、UL 262 FM 1120 fire gate valve、Flange connection fire gate valve、Fire red OS&Y gate valve.

 


 

Product Features

 

  1. Dual Certifications:UL 262 & FM 1120/1130 approved, compliant with global fire protection system safety standards.
  2. OS&Y Structure:Externally moving stem (visible position) for easy status check, preventing internal corrosion and extending service life.
  3. Zero Leakage Seal:Copper alloy/stainless steel gate + EPDM seal, achieving API 6D Class VI zero leakage for fire emergency scenarios.
  4. Corrosion-Resistant Materials:Ductile iron body with RAL 3000 fire red epoxy coating; 304/316 stainless steel stem, suitable for -10℃~120℃ extreme conditions.
  5. Emergency Fast-Closing:Manual closing time ≤60s, meeting the urgent shut-off needs of fire protection systems.
  6. Wide Specification Compatibility:DN50-DN300 size coverage, PN16/PN25 (ANSI Class 150) compatible with flange connection standards.

 


Product Parameter

Parameter CategorySpecific Parameters
Product TypeUL/FM Approved Fire OS&Y Gate Valve
Core CertificationsUL 262, FM 1120/1130 Fire Safety Certifications
Nominal Diameter (DN)DN50 to DN300 
Nominal Pressure (PN)PN16/PN25
Valve Body MaterialDuctile Iron 
Gate MaterialCopper Alloy (or Stainless Steel)
Stem Material304/316 Stainless Steel
Seal MaterialEPDM Rubber (Temperature Resistance: -10℃~120℃, Suitable for Fire Protection Water)
Connection TypeFlange Connection (Compliant with GB/T 9119 or ANSI B16.5 Standards)
Operation MethodManual (Red Handwheel)
Structure TypeOutside Screw & Yoke (OS&Y) Design (Stem movement visible for status identification)
Surface TreatmentEpoxy Resin Coating
Leakage ClassAPI 6D Class VI (Zero Leakage)
Operating Temperature-10℃ to 120℃
Suitable MediaFire Protection Water, Clean Water
Executive StandardsGB 5135.1, ANSI/ASME B16.34

 


 

FAQ

Q: Can you accept sample order?

A: Yes, we accept samples with little and reasonable charge.But need customer pay sample fees and transport fees first.

                                                   

Q: What is your payment terms?
A: Payment supports T/T, L/C, etc.

                                                   

Q: How can l get my order?
A: We will send you the goods by UPS,DHL,FedEx,Oversea Shipment or other forwarder, all with tracking number.

                                                   

Q: Why choose us?
A: With over 15 years of experience in the fire protection industry, our company has professional technical personnel and many well-known partners in the domestic market. We offer favorable prices and guarantee quality, having passed multiple certifications!

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With more than 15 years of experience serving clients, we have developed extensive expertise and in-depth industry knowledge, enabling us to deliver reliable and effective solutions tailored to your requirements.
We provide professional technical support and customized service offerings. Our committed technical team is available to assist you with product consultation, installation guidance, and comprehensive after-sales support whenever necessary.
At Sheng Feng Fire, our professionals are dedicated to helping you select the most suitable products based on your specific needs.
Please do not hesitate to contact us for further information!

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