Watts / BP30 brand 1/2″ relief valve

Diaphragm Operated By-Pass Control Relief Valves, Series BP30

Sizes: 1⁄2″ (15mm)
Series BP30 Diaphragm Operated By-Pass Relief Valves regulate liquid pressure as supplied by a positive pressure pump.
These relief valves protect equipment by opening at desired
setting and allowing excess volume to be bypassed back to
source. They feature bronze body construction, sensitive rubber
diaphragms, and Buna-N discs.
The tee handle facilitates pressure change. The spring and
adjustment handle are free from contact with liquid elements
being controlled. The maximum temperature for this series is
180°F (82°C).

Features
• Rugged bronze body
• Sensitive rubber diaphragm
• Tee handle
• Spring and adjustment handle separated from liquid elements

Pressure Ranges
Maximum Temperature 180°F (82°C)
BP30 – Adjustable Opening Range 10-50psi (.1-3.4 bar)
BP30 – Adjustable Opening Range 45-100psi (3.1-6.9 bar)
BP30 – Adjustable Opening Range 75-175psi (5.2-12.1 bar)

Materials
Body: Bronze
Diaphragm: Buna-N
Disc: Buna-N