Fire Press Brass Valve Butterfly Handle is purpose-built for one specific fire protection challenge: providing reliable emergency shut-off in spaces where standard valves cannot be operated. It combines three engineering solutions into a single component:
Press-fit connection—eliminates welding or threading, enabling safe installation in finished interiors without fire hazards;
Short butterfly handle—occupies minimal swing radius, allowing 90° operation in narrow pipe shafts where long handles would hit walls or insulation;
GA79-compliant HPb59-1 forged brass body—delivers PN16-rated pressure integrity with zero-leakage sealing and blow-out-proof stem protection.
The result is a fire protection valve that not only meets code requirements but also solves the real-world operational constraints found in high-end commercial retrofits, hotels, and residential towers.
|
Product Specifications |
L |
d1 |
d2 |
d3 |
Pipe Thread |
W |
H |
|
|
DN |
Size |
|||||||
|
15 |
16mm–1/2F |
72 |
5.5 |
10.0 |
16.5 |
G/PT/NPT |
50 |
52.75 |
|
20 |
20mm–1/2F |
72.2 |
9.5 |
14.0 |
20.5 |
G/PT/NPT |
50 |
52.75 |
|
20mm–3/4F |
83.5 |
13.0 |
18.0 |
20.5 |
G/PT/NPT |
50 |
55.25 |
|
|
25 |
25mm–3/4F |
84.0 |
18.0 |
23.8 |
25.5 |
G/PT/NPT |
50 |
55.25 |
1. Standard Long-Handled Valves Fail in Tight Pipe Chases: In real-world fire protection installations, standard long-handled valves are often rendered inoperable by their environment. When installed in narrow vertical shafts, ceiling plenums, or equipment rooms with limited clearance, long handles strike adjacent pipes, walls, or structural beams—preventing full 90° rotation; are obstructed by pipe insulation layers, which trap the handle; cannot be accessed when valves are recessed behind access panels with limited swing radius.
2. The Butterfly Handle Difference: This valve replaces the protruding long lever with a compact, non-slip butterfly handle. The short swing radius fits within tight clearances where long handles simply cannot turn—ensuring the valve can be fully opened or closed in an emergency, no matter how confined the installation space.
3. 90° Quarter-Turn Emergency Response: Despite its compact size, the butterfly handle delivers a full 90° quarter-turn operation from fully open to fully closed—meeting fire code requirements for rapid emergency shut-off. The torque is optimized for gloved-hand operation, and the handle's wing design provides secure grip even in wet or dark conditions.
4. Visual Distinction for Fire Inspections: The distinct butterfly silhouette makes this valve immediately recognizable during fire safety inspections. Inspectors can quickly identify whether the valve is in the correct position without searching through a maze of standard plumbing valves—reducing inspection time and minimizing compliance risk.
Fire Press Brass Valve Butterfly Handle body is forged from HPb59-1 lead-free brass—a material chosen specifically for fire protection's unique demands: long-term static pressure, infrequent operation, and zero tolerance for failure. Unlike cast brass with potential sand-hole porosity, the forged structure ensures dense, defect-free integrity that maintains PN16 (1.6 MPa) rating throughout decades of service. This is not a civil-grade component—it's industrial-grade brass engineered to GA79 fire safety specifications, validated through batch-by-batch spectral analysis to verify lead-free compliance and pressure-bearing capacity.
Traditional fire piping installation often requires hot work permits, fire watches, and post-weld inspection. This valve eliminates all of that. The integrated press-fit port, combined with a stainless steel compression ring, creates a permanent, leak-tight connection using only hydraulic tooling—no welding, no threading, no open flame.
The built-in silicone seal is specifically formulated for fire system conditions: long-term static water immersion with infrequent flow. It resists hydrolysis, hardening, and deformation—validated through specialized aging tests that simulate decades of standby service.
This standardized press-fit formation ensures consistent joint quality across every installation, eliminating the variability inherent in manual welding or threaded joint assembly—and significantly reducing the inspection burden on fire protection contractors.
The Fire Press Brass Valve Butterfly Handle's chrome-plated full-bore ball core eliminates flow restriction—critical for maintaining sprinkler density and hydrant discharge pressure. This is not a cost-reduced reduced-bore valve; the internal diameter matches the pipe size to prevent pressure drop when fire water is needed most.
The thickened PTFE seat delivers bi-directional bubble-tight sealing, maintaining zero leakage through years of static pressure. The blow-out-proof stem incorporates a travel-limit shoulder that prevents stem ejection even under high-pressure surges—a critical safety feature for fire protection systems that must operate flawlessly after years of idle standby.
1. Full Coverage of Standard Fire Piping Diameters: The valve series covers standard diameters from DN15 to DN50, perfectly matching the dimensions of thin-walled stainless steel sprinkler and fire hydrant piping used in commercial buildings, residential complexes, and small equipment rooms.
2. Compact Body Saves Installation Space: The streamlined, compact structure features an integrated press-fit port design without redundant components. It is suitable for dense piping layouts, requires minimal clearance for installation, and facilitates standardized piping network construction.
3. Universal Compatibility for New and Retrofit Projects: The standard press-fit interface is compatible with mainstream thin-walled stainless steel fire piping on the market. It is suitable for both new installations and the renovation of existing fire piping networks, offering broad versatility.
1. Batch-Wise Spectroscopic Screening of Raw Materials: Every batch of HPb59-1 brass billets undergoes spectroscopic analysis to strictly verify lead-free, pressure-resistant, and corrosion-resistant properties. Stainless steel press rings and silicone seals undergo specialized static pressure and aging resistance tests to ensure suitability for long-term static water conditions in fire protection systems.
2. Comprehensive Fire-Safety Performance Testing: Each Fire Press Brass Valve with Butterfly Handle undergoes a sequential series of tests—including high-pressure hydrostatic shell testing, airtightness/leak testing, and 10,000-cycle durability testing—to comprehensively verify the valve body's pressure limits, sealing stability, and operational longevity.
3. Precision Verification of Fire-Specific Structural Integrity: We conduct rigorous inspections of the flatness and tightness of the press-fit connection ports and precisely verify operating torque and structural coaxiality. This targeted approach mitigates common risks in fire piping networks, such as pipe detachment, joint leakage, and operational jamming.
4. Full-Chain Traceability & Complete Compliance Documentation: Each product is laser-marked with a unique batch code, ensuring full production traceability. We provide material test reports, factory certificates of conformity, and CE certification, fully meeting requirements for project completion acceptance, filing, and cross-border customs clearance in both domestic and international markets.
1. Specialized Technical Guidance for Fire Press-Fit Installation: Professional technicians provide hands-on guidance covering the entire process—including press-fitting thin-walled stainless steel fire pipes, hydraulic forming, high-pressure network testing, and leak detection—to resolve complex installation challenges.
2. Multilingual Cross-Border Project Coordination: Our multilingual customer service team accommodates global time zones, ensuring rapid responses to overseas procurement inquiries, order tracking, and after-sales maintenance needs, facilitating large-scale cross-border project collaborations.
3. Customized Solutions for Bulk Fire Projects: For large-scale sprinkler networks and centralized fire hydrant installations, we offer tailored product selection plans based on specific piping parameters and construction standards, facilitating the successful execution of large-scale fire safety projects.
4. Long-Term Warranty & Genuine Parts Supply: Includes a 12-month manufacturer's warranty on the complete unit and a stable, long-term supply of genuine wear parts—such as stainless steel press rings and sealing gaskets—to ensure the ongoing maintenance and repair needs of the fire piping network are met.
1. Automatic Sprinkler Fire Piping Networks: Suitable for thin-walled stainless steel piping in sprinkler systems for residential buildings, commercial complexes, and office towers. The weld-free press-fit installation is ideal for high-end fit-out projects, while the full-bore design ensures stable water flow for sprinklers.
2. Indoor Fire Hydrant Water Supply Systems: Compatible with both branch and main control lines for indoor fire hydrants. The PN16 high-pressure rating meets the requirements for constant-pressure fire hydrant supply, while the butterfly handle allows for rapid opening and closing during emergencies.
3. Retrofitting of Aging Fire Piping Networks: Eliminates the need for hot work (welding) and preserves the integrity of existing piping structures. Press-fit technology enables the quick replacement of old or failed valves, significantly reducing construction complexity and project timelines.
4. Enclosed Fire Piping Systems for Equipment Rooms: Designed for tight spaces such as narrow pipe shafts and enclosed ceiling voids. The compact butterfly handle solves operational space constraints, while the durable seal ensures reliability for systems that remain on standby year-round.
A: Standard welded valves require hot work, which entails strict site controls, high safety risks, and long construction times; threaded valves are prone to leakage at the threads. This product utilizes a hydraulic press-fit, weld-free process—eliminating hot work risks and accelerating installation. It complies with the GA79 fire safety standard and is ideal for enclosed or high-end finished spaces, addressing key project challenges regarding safety, efficiency, and regulatory compliance.
A: Yes, it is fully compatible. The valve body features a thickened, forged design for enhanced pressure resistance, consistently meeting the PN16 nominal pressure standard. It withstands the constant pressure and instantaneous high-pressure surges found in high-rise fire networks, suits various commercial and residential water supply conditions, and meets project acceptance criteria for pressure testing.
A: No. The product uses specialized, aging-resistant silicone seals that have undergone rigorous long-term static pressure and aging tests. Optimized for the specific conditions of fire networks—which often remain static with infrequent water flow—the seals offer excellent hydrolysis and aging resistance, ensuring no leakage at the connection points during long-term use.
A: No, it does not. The butterfly handle features a torque-optimized design, enabling 90° short-stroke opening and closing with minimal effort. Specifically engineered for space-constrained environments—such as narrow pipe shafts and ceiling voids—it facilitates convenient emergency water shut-off and routine maintenance, making it better suited for enclosed fire-protection piping systems than valves with long handles.
A: No. The combination of a stainless steel press ring and a precision press-forming process ensures a secure structure; the engagement depth and fit are verified through specialized factory flaw detection. Once formed, the connection is stable and capable of withstanding minor pipeline vibrations and water pressure fluctuations, effectively eliminating fire safety risks such as detachment, loosening, or leakage.
Address
Bingang Industrial Park, Ganjiang Town, Yuhuan City, Zhejiang Province, China
