APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 1,214 psi Max. Op Pressure
The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve in a 1 1/2 in x 2 in MNPT x FNPT bronze configuration, rated for a maximum operating pressure of 1,214 psi (MPN 511GGBKMAA0125)…
SKU 3G-OTH-433855
Need installation or engineering help?
Ask a question
Product Description
The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve in a 1 1/2 in x 2 in MNPT x FNPT bronze configuration, rated for a maximum operating pressure of 1,214 psi (MPN 511GGBKMAA0125). 3G Electric interprets your demand for this APOLLO valve and delivers it with specialist support across 14 industrial departments — including combustion, pumps, and controls — ensuring you get the right solution, not just a part.
Frequently Asked Questions
What is the APOLLO POP Safety Relief Valve used for?
The APOLLO POP Safety Relief Valve is used for overpressure protection in steam, air, and liquid systems. It is ASME Section VIII certified for steam applications, making it suitable for boilers, pressure vessels, and industrial piping systems where reliable pressure relief is critical to safety.
What are the specifications of the APOLLO POP Safety Relief Valve 511GGBKMAA0125?
This APOLLO POP valve has a 1 1/2 in MNPT x 2 in FNPT connection, a maximum operating pressure of 1,214 psi, and a bronze body. It is an ASME Section VIII steam pressure relief valve with manufacturer part number 511GGBKMAA0125. The valve is designed for high-pressure steam and air service.
Where to buy the APOLLO POP Safety Relief Valve worldwide?
3G Electric supplies the APOLLO POP Safety Relief Valve worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on this APOLLO valve.
How to install the APOLLO POP Safety Relief Valve?
Install the APOLLO POP valve vertically above the protected system with the inlet connected to the pressure source. Ensure the discharge piping is supported and routed to a safe location. Follow ASME Section VIII guidelines and the manufacturer's instructions for proper setting and testing.
Used in
Common applications for APOLLOAPOLLO Products
3G Electric supplies APOLLO asme section viii steam pressure relief valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















