BZSV 8130 Series Breathing Valve – 2" to 12", API 2000, Pressure Relief

Product Details

Quantity

500
Availability (Lead Time)

4-6 Weeks
Product Location

China
Condition
OEM

Beijing Zhonghanghua Safety Valve Sales CO. Ltd
Equipment code

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Short Description

8130 Series pressure breathing valve available in 2"–12" sizes, with set pressures up to 103.4 kPa. Modular design with ANSI 150LB flanges. Suitable for tank protection applications requiring pressure control and vapor loss reduction.

Description

BZSV 8130 Series Breathing Valve – 2" to 12", API 2000, Pressure Relief

The BZSV 8130 Series Breathing Valve is designed for pressure-only relief in atmospheric and low-pressure storage tanks. It offers reliable overpressure protection to prevent structural damage and control vapor emissions due to thermal expansion. Available in four types—8130, 8135, 8136, and 8138—this series covers a wide pressure range from 0.2 kPa to 103.4 kPa, enabling use in various chemical and industrial tank systems.

Manufactured to API 2000 standards, the 8130 Series features a modular construction allowing integration of key accessories such as flame arresters, suction elbows, and purge covers. A standard FEP diaphragm prevents adhesion of internal components, improving reliability and reducing maintenance. Multiple material options including aluminum, carbon steel, and stainless steel accommodate diverse process requirements. This valve is ideal for industries requiring safe, efficient, and compliant tank venting.

Specifications:

– Valve Type: Pressure Breathing Valve
– Series: TYPE 8130, 8135, 8136, 8138
– Size Range: 2" to 12"
– Pressure Setpoint Range:
• TYPE 8130 & 8136: 0.2 – 6.9 kPa
• TYPE 8135 & 8138: 6.9 – 103.4 kPa
– Vacuum Function: Not applicable (pressure relief only)
– Design Standard: API 2000
– End Connections: ANSI B16.5 150LB RF flanges (customizable upon request)
– Body Materials: Aluminum alloy, carbon steel, stainless steel
– Seal Options: FEP diaphragm standard; optional soft/hard sealing structures
– Structure: Modular construction
– Optional Accessories:
• Flame arrester
• Suction elbow
• Clamp cover
• Purge port
• Tank lining
• Dehumidification fittings

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Technical Details

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