4 or 6 Inch Alarm Check Valve

Name: 4 or 6 Inch Alarm Check Valve
Brand: SINCO FIRE AND SECURITY CO., LIMITED
SKU: 918195085

Fujian, ChinaSINCO FIRE AND SECURITY CO., LIMITED

US$50.00-179.00

1 Piece

Sample price:US$50.00/set.Request sample

Product profile

Customization

Available

Sprinkler Head Type

Closed

Alarm Valve Type

Wet Alarm Valve

Model NO.

ZSFZ

Automatically Opened and Closed Repeatedly

Can't Automatically Opened and Closed

Closed Fire Sprinkler System

Wet Fire Sprinkler System

Wet Alarm Valve Structure

Seat Type

Alarm Valve Diameter

80mm-250mm

Finished

Red Painting

Size

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

Working Pressure

1.6MPa

Connection

Flange

Accessories

Retard Chamber, Water Motor Gong, etc.

Transport Package

Standard Export Package

Specification

3"-10"

Trademark

SINCO/OEM

Origin

Quanzhou, Fujian

HS Code

8481804090

Production Capacity

5000 Sets/Month

Key features

Dual Function Design: Prevents reverse water flow and enables water motor gong usage in wet pipe systems.

False Alarm Prevention: Equipped with external bypass retard chamber to prevent false alarms under variable pressure.

Robust Material Construction: Body and cover made of ductile iron; disc is ductile iron or brass with EPDM; stem is SS304.

Wide Size Range: Available in nominal diameters from 80mm to 250mm with flange connections.

High Pressure Resistance: Rated working pressure up to 300 psi (2.07 MPa) with strength test up to 6.4 MPa.

Customizable Options: Offers customized finished red painting, specific sizes, and working pressure options.

Comprehensive Accessories: Includes retard chamber, alarm pressure switch, and water motor gong as standard trim.

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: ≤2.87hTerms 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.