
Series 30/31
Product specifications
| Specifications | Test method | ||
|---|---|---|---|
| Max Operating Pressure (Bar) | 10 | ||
| Size Range (NPS) | 2 - 20 | ||
| Size Range (DN) | 50 - 500 | ||
| Flange Drilling | ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN 10-16 | ||
| Size Range Series 30 (NPS) | 2 - 20 | ||
| Size Range Series 31 (NPS) | 14 - 20 | ||
| Temperature Range (°C) | -29 - 204 | ||
| Temperature Range (°F) | -20 - 400 | ||
| Shutoff Rating | Bidirectional Bubble-tight | ||
| Body Style | Lug, Wafer | ||
| Flange Drilling ASME | B16.1 Class 125, B16.5 Class 150 | ||
| Flange Drilling EN 1092 PN | 10, 16 | ||
| Certifications | ABS, ATEX, Bureau Veritas, CRN, DNV, FDA 21 CFR 177.1550, NSF 61/372, PE(S)R, PED | ||
| Body Materials | Aluminum, Carbon Steel, Cast Iron, Ductile Iron | ||
| Stem Materials | Monel K500, Stainless Steel | ||
| Seat Materials | BUNA-N, EPDM, FKM, Polyurethane | ||
| Disc Materials | Aluminum Bronze, Halar® Coated Ductile Iron, Hastelloy®, Nylon 11 Coated Ductile Iron, Stainless Steel | ||
| Design Standard | API 609, API 609, Category A, MSS SP-67 | ||
| Testing Standard | API 598, EN 12266-1, MSS SP-61 | ||
| Face to Face | API 609, Category A, EN 558, MSS SP-67 | ||
| Applications | HVAC, Potable Water, Seawater, Wastewater | ||
Product description
The Series 30 (wafer) and Series 31 (lug) resilient seated butterfly valves feature a one-piece body with high-strength through stem design utilizing an internal disc to stem connection to reduce hysteresis.
Available with a wide selection of high-quality seat and disc materials for a variety of applications, our Series 30/31 butterfly valves are easily automated for on/off or modulating service.
Maximum Operating Pressure: 12 bar
Series 30/31: Reliable and Versatile Butterfly Valves from Bray Controls
Bray Controls Benelux is a renowned manufacturer and distributor of high-quality valves, providing efficient solutions to various industries. Our Series 30/31 butterfly valves, belonging to the category of butterfly valves, are designed to meet diverse application requirements. With a wide range of certifications and suitability for multiple applications, the Series 30/31 valves offer exceptional performance and reliability.
Exceptional Certifications
At Bray Controls Benelux, we understand the importance of adhering to international standards and regulations. The Series 30/31 valves are certified by ABS, ATEX, Bureau Veritas, CRN, DNV, FDA 21 CFR 177.1550, NSF 61/372, PE(S)R, PED, ensuring their compliance with industry-specific norms. These certifications make the Series 30/31 valves an ideal choice for industries requiring certified valves for their operations.
Wide Range of Applications
The Series 30/31 valves are incredibly versatile and can be utilized in various applications. Some of the key applications where these valves excel include:
HVAC
The Heating, Ventilation, and Air Conditioning (HVAC) industry demands reliable and efficient valves to regulate the flow of fluids. The Series 30/31 valves, with their robust construction and precise control, offer optimal performance in HVAC systems.
Potable Water
In applications where safe and clean drinking water is essential, the Series 30/31 valves provide a trustworthy solution. These valves are suitable for potable water applications, offering excellent corrosion resistance and durability.
Seawater
Working in harsh marine environments can be challenging, especially when it comes to selecting valves that can withstand the corrosive nature of seawater. The Series 30/31 valves are specifically designed to tackle such conditions, ensuring long-term performance and reliability.
Wastewater
Efficient wastewater management requires valves that can handle the demanding conditions of wastewater treatment facilities. The Series 30/31 valves are designed to withstand corrosive fluids and offer precise control, making them an ideal choice for wastewater applications.
Bray Controls Benelux understands the unique requirements of each industry and strives to provide valves that cater to specific needs. The Series 30/31 valves excel in a wide range of applications, ensuring optimal performance and longevity.
With extensive experience in the valve manufacturing industry, Bray Controls Benelux has gained a reputation for delivering superior products that meet industry standards. The Series 30/31 valves exemplify our commitment to quality and performance.
Ultimately, the Series 30/31 valves from Bray Controls Benelux are the perfect choice for industries seeking reliable, versatile, and certified butterfly valves. Whether it's for HVAC systems, potable water applications, seawater environments, or wastewater treatment facilities, these valves deliver exceptional performance and ensure smooth operations.
Quotation request
Request an instant quote. You will receive a detailed quotation drawn up by one of our specialists.
Download the brochures below for more information about this product.




























