Zsfz 150 High Efficiency Red Color Wet Alarm Check Valve Fire Equipment
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Product Highlights
- OEM/ODM Customization: Supports OEM and ODM services to customize sprinklers per customer requests.
- UL & GB Certification: Manufactured according to GB50084-2017 and UL LLC standards with quality certificates.
- High Working Pressure: Rated for 1.6MPa working pressure with 3.2MPa sealed and 6.4MPa strength tests.
- Wide Size Range: Available in nominal diameters from DN100 to DN250 (4-10 Inch) with flange connections.
- Manufacturer Direct: Direct supply from 4 own factories with 20 engineers and 30,000 sqm production area.
- One Year Warranty: Comprehensive one-year guarantee provided for all products to ensure quality.
- Free Sample Offer: Free product samples available for quality verification (buyer pays courier).
- Fast Lead Time: Samples ready in 1-3 days; mass production within 15 workdays for both peak/off seasons.
Product Attributes
- Customization
- Available
- Material
- PVC / TPU / Rubber
- Fire Hose Manifold Type
- Flange
- Hose Coupling Type
- Flange
- Fire Hose Length
- 5-30m
- Working Pressure
- 1.6MPa
- Diameter
- 19 - 400mm (3/4 - 16 Inch)
- Lining
- /
- Weaving Type
- /
- Hose Coupling Structure
- Flange
- Color
- Red
- Transport Package
- 52× 34× 26
- Specification
- 52× 34× 26
- Trademark
- customized
- Origin
- China
- HS Code
- 8481804090
- Production Capacity
- 100PCS/Week
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Product Description
Technical parameters:
| Model | ZSFZ100 | ZSFZ125 | ZSFZ150 | ZSFZ200 | ZSFZ250 | |
| Norminial diameter(mm) | 100 | 125 | 150 | 200 | 250 | |
| Working pressure(Mpa) | 1.6Mpa | |||||
| Sealed test(Mpa) | 3.2Mpa | |||||
| Strength test(Mpa) | 6.4Mpa | |||||
| Flow rate(L/min) | 15<Q<60 | |||||
| Retard alarm time(s) | 5~90 | |||||
| Friction resistance(Mpa) | ≤0.035 | |||||
| Height of alarm valve(mm) | 230 | 235 | 235 | 305 | 319 | |
| Outside diameter of flange(mm) | 220 | 250 | 280 | 335 | 405 | |
| Inside diameter of flange screw hole(mm) | 180 | 210 | 240 | 295 | 350 | |
| Diameter of screw hole(mm) | 8 | 12 | ||||
| Quantity of screw hole | 18 | 22 | 26 | |||






Guangwei Fire Fighting Scie Tech Co. Ltd was established in 2008 and is one of the largest fire sprinkler manufacturers in China.Our company has 20 engineers, 30 technicians and 500 other employees and occupies a building area of 30,000 square meters.
Annual turnover of more than USD25,000,000. With our staff's efforts, our annual turnover is now more than USD25,000,000. Our products are all manufactured according to the GB50084-2017 and UL LLC standards. At present, our company mainly manufactures in fire sprinklers, fire alarm valves, sprinkler machines and other fire equipment.
OEM service
Furthermore, we can also offer OEM service. Supplying customers with quality products at reasonable prices, we win their trust and support, and establish long-term business relationships with them. Our managing policy is "careful manufacturing, standardized management, offering high-quality products and satisfied service to customers". All of our products are inspected and we received qualification certificates from the State Quality Supervising & Inspection Center for Fire Products. Our products are very popular in many countries and regions around the world such as the US, Brazil, Turkey, Hong Kong, Saudi Arabia, Singapore and India.
FAQ
_________________________________________________
Q2: What certificate do you have?
A: CCCF, ISO9001etc.
A.: Yes, we do OEM and ODM.We can customize all kinds of sprinkler.
Q4: Can you send me a sample? Is it free?
A: Yes, the sample is free. But the courier charge should be on your side.
Q6: Do you guarantee for the products?
A:Yes,we offer one year guarantee for the products.
Updated on March 23,2026
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR247514". Items marked "" are certified.
Company Profile
GUANGWEI FIRE FIGHTING SCIE TECH Co., Ltd. is the largest fire sprinkler manufacturer in China. We produce and export the fire equipment, professional production of a variety certifications for fire sprinkler heads, wet alarm valves, deluge valves, pre-alarm valves, flow indicators, signal valves, signal butterfly valves, end water-test equipment, fire alarm buttons, fire self-volume disks, decorative plates, collector covers, decompression plates, blast wave valves, high-pressure gas pipes, and soft seal gate valve parts of fire and other related products.
Committed to providing total customer satisfaction and winning the trust of our clients, we have implemented a quality control management system that is in accordance with international standards. All of our products are inspected and we received qualification certificates from the State Quality Supervising & Inspection Center for Fire Products.
Our "Guangwei" brand products sell well in many countries and regions around the world such as Turkey, Hong Kong, Saudi Arabia, the USA, and Indonesia. Supplying customers with high quality products at reasonable prices, we win clients' trust and support, and establish long-term business relationships with them.
If you are interested in any of our products, please contact us for more information.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- Chenggong Technological Industrial Zone, Nanan, Fujian, China
-
Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment, D/P
-
International Commercial Terms(Incoterms)
- FOB, CIF, EXW, CFR
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Xiamen Port
-
Minimum Order Quantity
- 200 Pcs
-
Supply Chain Partners
- 38
Our Production Capability & Technical Expertise
- Main Products
- Fire Fighting, Fire Sprinkler, UL Sprinkler, Fire Extinguisher, Fire Valve, Smoke Detector, Fire Contral System, Fire Hose, Water System, Fire Protection
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 16 Years
-
Main Markets
- Domestic
-
Number of Foreign Trading Staff
- 1
-
Overseas Agent/Branch
- No
FAQ
- Are you a manufacturer or trading company?
- We have our own 4 factories, and fire sprinklers are our core advantage.
- What certificates do you have?
- We hold CCCF, ISO9001, and other relevant qualification certificates.
- Can you customize products according to our requests?
- Yes, we provide OEM and ODM services and can customize various types of sprinklers.
- Is a free sample available?
- Yes, the sample itself is free, but the customer must cover the courier charges.
- What is the lead time for orders?
- Samples take 1-3 days; mass production time depends on quantity, typically within 15 workdays.
- Do you provide a warranty for the products?
- Yes, we offer a one-year guarantee for all our products.
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