What is the lead time for delivery?

During peak season, the lead time is 1-3 months; during off-season, it is within 15 workdays.

What payment terms are accepted?

Accepted payment terms include LC, T/T, D/P, PayPal, Western Union, Small-amount payment, and Money Gram.

What is the standard for this valve?

The valve is based on the GB5135.5-2003 standard.

Deluge Valve Alarm Check Valve for Water Supply System

Name: Deluge Valve Alarm Check Valve for Water Supply System
Brand: SINCO FIRE AND SECURITY CO., LIMITED
SKU: 900751705

Fujian, ChinaSINCO FIRE AND SECURITY CO., LIMITED

US$49.00-289.00

1 Piece

Sample price:US$119.00/piece.Request sample

Product profile

Customization

Available

Sprinkler Head Type

Open

Alarm Valve Type

Deluge Valve

Model NO.

ZSFM

Automatically Opened and Closed Repeatedly

Can't Automatically Opened and Closed

Open Fire Sprinkler System Type

Deluge System

Alarm Valve Diameter

50mm-250mm

Deluge Valve Type

Diaphragm Type

Material

Ductile Iron/Cast Iron/Stainless Steel

Finished

Standard Red Painting/Stainless Steel

Working Pressure

1.2MPa

Norminal Diameter

2"/3"/4"/5"/6"8"/10"

Connection

Flange

Transport Package

Standard Export Package

Specification

2"-10"

Trademark

SINCO/OEM

Origin

Quanzhou, Fujian

HS Code

84818

Production Capacity

5000 Sets/Month

Key features

Wide Application Scenarios: Suitable for hospitals, hotels, factories, malls, airports, libraries, gyms, and exhibition centers.

Diverse Material Options: Available in Ductile Iron, Cast Iron, or Stainless Steel to meet specific needs.

Multiple Connection Types: Offers Flange connection for secure and reliable installation in fire systems.

Anti-Returning Function: Features lever type structure with anti-returning function based on GB5135.5-2003 standard.

Flexible Pressure Release: Supports electric, wet type, and dry type conduct for diaphragm pressure release.

Comprehensive Size Range: Nominal diameters from 2 to 10 inches (50mm-250mm) for various system requirements.

High Pressure Resistance: Rated working pressure up to 1.2MPa with high sealing and strength test pressures.

Customizable Finishes: Options include Standard Red Painting or Stainless Steel finish.

Company profile

High Repeat Buyers ChoiceFast Delivery100% Finished Products InspectionR&D Capabilities

SINCO FIRE AND SECURITY CO., LIMITED

Fujian, China

Business Type: Manufacturer/Factory, Trading Company, Group CorporationExport Year: 2011-03-09Nearest Port: Xiamen, Ningbo, GuangzhouAverage Response Time: ≤2.25hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummarySINCO FIRE AND SECURITY CO., LIMITED is a China-based limited company identified as a trading company, manufacturer/factory, and group corporation, supplying fire-fighting and safety products. The supplier reports broad product coverage, flexible customization, ODM services, OEM services for well-known brands, export sales, and a stated global sales network. It lists numerous management-system certifications and has 11–20 R&D engineers and 11–20 quality-control staff. However, the evidence also shows no 3D software design service, no SDK, no new products during the past year, no written complaint-handling or corrective-action procedures, and no quality assurance in quality-control processes. Finished products are checked by packing staff, while customer-specific case details are not provided.

Supplier typeThe supplier is identified as a limited company and classified as a trading company, manufacturer/factory, and group corporation. Its stated business focuses on manufacturing and supplying fire-fighting equipment and safety products, including hoses, valves, sprinklers, hydrants, and related systems.

CertificationsThe supplier lists a broad set of certifications and management-system standards, including BSCI, ISO 13485, ISO 9001, ISO 14001, ISO 50001, GMP, and others. Its product description also states conformity with JIS, API, ANSI, and BS standards, although the provided information does not verify certificate validity or scope.

After-Sales capabilityThe supplier claims outstanding customer service and long-term business relationships, and describes itself as providing sales and service. However, it has no written procedures or records for complaint handling or corrective and preventive actions, and the quality-control field explicitly states that no quality assurance is available.

R&D capabilityThe supplier reports 11–20 R&D engineers and offers ODM services, but states that it is not a professional technical supplier, does not provide 3D software design services, has no available SDK, and had no new products during the past year. These explicit limitations outweigh the partial evidence of R&D-related capability.

Production capacityThe supplier offers a broad range of fire-fighting products and reports annual production information, including 365,000 sprinkler-system alarm valves, as well as other product categories. It also reports 11–20 quality-control staff and identifies itself as a manufacturer/factory, supporting production capability; however, finished products are checked by packing staff, which indicates a limited documented inspection approach.

Customization capabilityThe supplier explicitly offers flexible customization and provides ODM services, indicating that it can support customized product or design requirements. OEM capability for well-known brands is also stated, although no specific customization examples or process details are provided.

Product Q&A

Q:What is the working pressure of the valve?

The rated working pressure is 1.2MPa, with sealing test pressure of 2.4MPa and strength test pressure of 4.8MPa.

Q:What materials are available for this deluge valve?

The valve is available in Ductile Iron, Cast Iron, or Stainless Steel.

Q:Can the valve be customized?

Yes, customization is available for material, finish (Standard Red Painting or Stainless Steel), and nominal diameter.

Q:What are the available nominal diameters?

The valve supports nominal diameters ranging from 50mm to 250mm (2" to 10").

Q:Where is this valve typically used?

It is widely used in open sprinkler systems such as deluge systems, water curtain systems, and water mist systems in hospitals, hotels, factories, and malls.