UL/FM Dry Barrel Fire Hydrant

Q: What material specifications are used for critical internal and external components of the fire hydrant?

Key structural components are fabricated from durable ductile iron, internal moving parts use high-strength C95400 aluminum bronze, sealing elements use EPDM rubber, and fasteners incorporate 316 stainless steel.

Q: What are the official certifications and standard lead times for purchasing this hydrant for overseas projects?

The dry barrel fire hydrant is UL 246 Listed and FM 1510 Approved. The standard manufacturing and delivery lead time for international EPC projects is 45 working days.

Model：MH-1510FA/MH-1510A
Date Updated: July 14, 2026
Prepared by: Fire Gate Valve Technical Department

Categories:

Fire Hydrant

Ningjin APC Industries is a premier UL & FM certified manufacturer in China, delivering high-performance industrial and fire protection valves built to strict international safety standards.

TEL：

0086-18600252968

MESSAGE

UL/FM Dry Barrel Fire Hydrant

▏Product Description

Ningjin APC Industries presents the premium UL/FM Dry Barrel Fire Hydrant (Model: MH‑1510FA/MH‑1510A), engineered for maximum reliability and superior flow performance in municipal, industrial, and commercial fire suppression networks. Built in strict accordance with AWWA C502 standards and delivering a robust 250PSI nominal pressure, this hydrant features a specialized dry‑barrel design to prevent freezing in sub‑zero climates. Our hydrants are custom‑manufactured with a standard lead time of 45 working days to meet rigorous project deadlines. Fully certified with UL 246 Listing and FM 1510 Approval, it ensures total compliance and safety for major global fire protection tenders and EPC engineering contracts.

▏Technical Features

Parameter Item	Technical Specification
Nominal Pressure	250PSI
Design Standard	AWWA C502
Inlet Flange Size	6" (DN150)
Main Valve Size	133.4 mm / 5-1/4"
Pumper Nozzle	One 4.5-4NH thread
Hose Nozzles	Two 2.5-7.5NH threads (Other threads available)
Mechanical Connector	AWWA / ANSI C153 / A21.536 (Model No.: MH-1510A)
Flange Connector	ASME B16.5 CLASS 150 / DIN 2501 PN16 (Model No.: MH-1510FA)
Painting Details	Red Polyurethane paint & Bitumen Black or painting upon request
Standard Accessory	Each hydrant is supplied with a hydrant wrench
Approvals	UL 246 Listed, FM 1510 Approved

▏3D Pictures

▏Valve Material List

NO.	Name	Material
1	Flange Connector Or Mechnical Connector	Ductile Iron
2	Locking Nut	Ductile Iron
3	Connecting Rod	Steel 1045
4	Locking Nut Gasket	EPDM
5	Tray	Ductile Iron
6	Sealed Rubber Sheet	EPDM
7	Drain Hole Spring	316 Stainless Steel
8	Connecting Cylinder	Ductile Iron
9	Perforated Cylindrical Pin	Steel 1045
10	Connecting Rod Sleeve	Steel 1045
11	Clamp For Connection Tube	Ductile Iron
12	Main Body On Ground	Ductile Iron
13	65 Connector	C95400
14	65 Cover Gasket	EPDM
15	65 Cover	Ductile Iron
16	Upper End Cover	Ductile Iron
17	Thread Plug	C95400
18	Screw Stem Nut	C95400
19	Screw Nut Gasket	C95400
20	Screw Nut Seat	C95400
21	Bolt,nut	Steel 1035
22	100 Cover	Ductile Iron
23	Cylindrical Pin	Steel 1045
24	Cover Chain	Gr.B, ASTM A283-B
25	Bolt,nut	Steel 1035
26	Screw Stem	Steel 1045
27	Cushion Rubber	EPDM
28	Drain Hole Cover	C95400+EPDM
29	Seat	C95400
30	Bolt,nut	316 Stainless Steel
31	Seat Fixing Plate	Ductile Iron
32	Bolt,nut	Steel 1035
33	Annular Tubes	Steel 1045
34	Platen	Ductile Iron
35	Locking Nut Seat	Ductile Iron
37	100 Connector	C95400
38	100 Cover Gasket	EPDM
39	Screw Stem Bushing	316 Stainless Steel
40	Bolt	316 Stainless Steel

▏Dimensions

L (mm)	3'6"	4'	4'6"	5'	5'6"	6'	6'6"	7'
Dimension (mm)	1063	1215	1368	1520	1673	1825	1978	2130

▏Frequently Asked Questions

Q1: What are the primary design standards and pressure ratings for the UL/FM Dry Barrel Fire Hydrant?

The UL/FM Dry Barrel Fire Hydrant is engineered in strict accordance with the AWWA C502 design standard, ensuring exceptional structural integrity and hydraulic efficiency. It features a robust nominal pressure rating of 250PSI, making it fully capable of handling high-pressure municipal and industrial water supply networks. Designed to prevent freezing in cold weather environments, this dry barrel fire hydrant provides dependable performance for critical fire suppression infrastructure, satisfying the stringent safety requirements of global engineering projects and major fire protection contractors.

Q2: What connection types and nozzle configurations are available for Model MH-1510FA/MH-1510A?

Model MH-1510FA features a flange connector complying with ASME B16.5 CLASS 150 or DIN 2501 PN16 standards, while Model MH-1510A utilizes a mechanical connector compliant with AWWA / ANSI C153 / A21.536. This premium dry barrel fire hydrant is equipped with a 6-inch (DN150) inlet flange and a 133.4 mm (5-1/4 inch) main valve size for optimal flow dynamics. It includes one 4.5-4NH pumper nozzle and two 2.5-7.5NH hose nozzles as standard, with alternative thread specifications available upon request to match regional municipal hose coupling standards seamlessly.

Q3: How should the dry barrel fire hydrant be installed and maintained to ensure optimal operational longevity?

Proper installation requires placing the inlet elbow on a solid surface, bracing the opposite flow side to reduce reaction stresses, and surrounding underground sections with coarse gravel for support and drainage. For comprehensive product options and specifications, visit our dry barrel fire hydrant product page. Routine maintenance involves visual inspections for corrosion, partial pressure testing via nozzle caps, flushing after testing, and lubricating nozzle threads. These steps ensure that the dry barrel fire hydrant remains completely operational and ready for immediate deployment during emergency fire suppression scenarios.

Q4: What material specifications are used for critical internal and external components of the fire hydrant?

The fire hydrant is constructed using high-grade materials to withstand harsh environmental and working conditions. Key structural components such as the main body on ground, upper end cover, and tray are fabricated from durable ductile iron. Internal moving parts and critical components, including the screw stem nut, thread plug, and seat, utilize high-strength C95400 aluminum bronze for superior wear and corrosion resistance. Additionally, sealing elements use high-performance EPDM rubber, while critical fasteners and springs incorporate 316 stainless steel to guarantee long-term reliability and leak-free performance.

Q5: What are the official certifications and standard lead times for purchasing this hydrant for overseas projects?

The dry barrel fire hydrant carries prestigious international certifications, being UL 246 Listed and FM 1510 Approved, ensuring full acceptance by global insurance underwriters and local authorities having jurisdiction (AHJ). For international engineering, procurement, and construction (EPC) projects, the standard manufacturing and delivery lead time is established at 45 working days. Each unit is custom-manufactured to order and supplied complete with a dedicated hydrant wrench, making this dry barrel fire hydrant an ideal, fully certified solution for large-scale industrial and municipal fire protection deployments.

Product message