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Automatic Brass Boiler Safety Relief Valve - 1/2" to 2" Threaded Pressure Relief Valve
The Automatic Brass Boiler Safety Relief Valve (available in 1/2" to 2" threaded sizes) is a vital safety component for boiler systems. Constructed from high-quality forged brass, it automatically releases excess pressure to prevent overpressure hazards, ensuring the safe operation of steam, hot water, or thermal fluid boilers. With standard NPT/BSP threads, it enables easy integration into various boiler setups, delivering reliable and efficient pressure relief without manual intervention.
- Overview
- Recommended Products
- Check for leaks regularly.
- Clean exterior with mild detergent.
- If the valve becomes stiff, disassemble and lubricate with plumbing-grade lubricant.
- Avoid abrasive cleaners.
Product Overview
Core Features
Applications
Competitive Advantages
Automatic Brass Boiler Safety Relief Valve, Threaded Pressure Relief Valve, 1/2" - 2" Boiler Relief Valve, Brass Safety Valve, Boiler Overpressure Protection Valve
Specifications and Parameters:
| Product name | Brass Relief Valve | |
| Sizes | 1/2" - 2" | |
| Bore | Standard bore | |
| Application | Water, oil, and other non-corosive liquid | |
| Working pressure | PN10 / 150Psi | |
| Working temperature | -10 to 120°C | |
| Working durability | 10,000 cycles | |
| Quality standard | EN215 | |
| End Connection | BSP, NPT | |
| Features: | Forged valve body | |
| Anti-blow-out stem structure | ||
| 100% leakage test for each valve | ||
| OEM production acceptable | ||
| Materials | Spare Part | Material |
| Body | Forged brass, bronze-plated | |
| Bonnet | Forged brass, bronze-plated | |
| Spring | Stainless Steel 304 | |
| Handle | \ | |
| Nut | Steel | |
| Stem | Brass | |
| Seat | NBR | |
| Packing | Bag for each piece, inner boxes in cartons, loaded in pallets | |
| Customized design acceptable | ||
1.Production flow of Brass Radiator Valves:
2. Brass material Chemical composition used for brass radiator valves:
| European Market | Cu% | AL% | As% | Fe% | Mn% | Ni% | Pb% | Sn% | Zn% | Rest% |
| CuZn39Pb3(CW614N)MS58 | 57-59 | <0.05 | / | <0.3 | / | <0.3 | 2.5-3.5 | <0.3 | Rem. | <0.2 |
| CuZn40Pb2(CW617N)MS58-1 | 57-59 | <0.05 | / | <0.3 | / | <0.3 | 1.6-2.5 | <0.3 | Rem. | <0.2 |
| CuZn36Pb2AS(CW602N)DZR | 61-63 | <0.05 | 0.02-0.15 | <0.1 | <0.1 | <0.3 | 1.7-2.8 | <0.1 | Rem. | <0.2 |
| USA Market | Cu% | AL% | Ar% | Fe% | Pb% | Zn% | Rest% | |||
| C36000 | 60-63 | / | / | 0.35 | 2.5-3.7 | Rem. | ||||
| C37000 | 58-61 | / | / | 0.3 | 1.5-2.5 | Rem. | ||||
| C46500 Lead-free | 59-62 | / | / | <0.1 | <0.2 | 0.50-1.0 | Rem. | |||
| China National | Cu% | AL% | Ni% | Fe% | Sb% | Bi% | Pb% | P% | Zn% | Rest% |
| HPb59-1 | 57-60 | <0.2 | <1.0 | <0.5 | <0.01 | <0.003 | 0.8-1.9 | <0.02 | Rem. | <1.0 |
| HPb59-3 | 57.5-59.5 | / | <0.5 | <0.5 | 2.0-3.0 | Rem. | <1.2 | |||
| HPb57-3 (Normal Brass) | 57.0-59.0 | / | / | <0.8 | / | 1.7-3.0 | Rem. | ≤1.8 |
3. Bore sizes for brass radiator valves:
| 1/2" | 3/4" | 1" | 1 1/4" | 1 1/2" | 2" | 2 1/2" | 3" | 4" | |
| Full Bore | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
| Standard Bore | 13.5 | 18 | 23 | 30 | 37 | 47 | 62 | 75 | 95 |
| Reduced Bore | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 |
4. Available surface treatments of brass radiator valves:
5. Installation instruction of brass radiator valves:
6. Packing of brass radiator valves:
Standard export packing, inner boxes in cartons, loaded in pallets.
Custom packaging is available.
7. Testing Lab for brass radiator valves:
Our testing laboratories are equipped with state-of-the-art equipment to ensure rigorous quality control at every stage of production. From product development to sample evaluation and full-scale production, we adhere to strict testing protocols as a fundamental part of our quality system, ensuring that every process meets the relevant standards.
8. Why choose BOTE as your China Brass Radiator Valve Supplier?
| 1 | Professional fluid solution provider, with over 18 years of industry experiences |
| 2 | Monthly production capacity of 1million sets, enables quick delivery with lower costs |
| 3 | Quality-oriented production process, test each valve during production |
| 4 | Intensive QC and on-time delivery, to make quality reliable and stable |
| 5 | Prompt responsive communications, from pre-sales to after-sales |
| 6 | We provide OEM/ODM services with flexible design and branding options |
| 7 | Our valves meet CE and ISO standards, ensuring global compliance |
Frequently Asked Questions (FAQ)
Q: What is the lead time for a custom order?
A: 3–6 weeks, depending on customization (e.g. port size, pressure rating, coating) and order volume. Standard models usually ship within 1–2 weeks.
Q: Are these valves suitable for hot water systems?
A: Yes. Operating temperature: -10°C to 120°C (14°F to 248°F). For temperatures above 120°C, please choose our high-temperature models.
Q: Are there color or finish options?
A: Standard finish is natural brass. Optional coatings include chrome plating (silver appearance) and custom organic coatings for added corrosion protection or design match.
Q: How should I maintain the valve?
A:
Q: Can it be used with water-based chemicals?
A: Yes, for mild water-based chemicals within rated limits. For harsh or concentrated chemicals, consult our technical team for suitable materials/coatings.
Q: Do you provide installation instructions?
A: Yes. Each valve includes detailed instructions. Online videos and technical support are also available.
Q: What is your after-sales policy for defective products?
A: We offer a warranty for manufacturing defects. If you receive any faulty valves, please contact us within 7 days of delivery with photos or videos of the issue. We will provide replacement parts, full replacements, or a credit/refund based on the situation. Our team is committed to prompt and reliable after-sales support.
Contact Us:
Ready to enhance your plumbing system with our Brass Ball Valves? Contact us today for a consultation and quote. Our team is here to help you select the right valve for your needs.
Email: [email protected]
Phone: +86 18968473237
Experience the difference that our high - quality Brass Ball Valves can make in your plumbing and fluid control applications – where reliability meets performance.
