Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

APOLLO 1 in x 1 1/2 in Bronze ASME Section VIII Steam Pressure Relief Valve - ASME Section VIII Steam Pressure Relief Valves
APOLLOASME Section VIII Steam Pressure Relief Valves

APOLLO 1 in x 1 1/2 in Bronze ASME Section VIII Steam Pressure Relief Valve

The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve in a 1 in x 1 1/2 in MNPT x FNPT bronze configuration, with a maximum operating pressure of 1,214 psi (MPN 523FEBKMAA0400). 3G…

SKU 3G-OTH-433791

Brand
APOLLO
Item
1 in x 1 1/2 in Bronze ASME Section VIII Steam Pressure Relief Valve
Category
ASME Section VIII Steam Pressure Relief Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

APOLLO
Manufacturer Part Number
523FEBKMAA0400
Type
1 in x 1 1/2 in, Bronze
Max. Op Pressure
1,214 psi

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APOLLO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve in a 1 in x 1 1/2 in MNPT x FNPT bronze configuration, with a maximum operating pressure of 1,214 psi (MPN 523FEBKMAA0400). 3G Electric sources this genuine APOLLO valve across 14 industrial departments, backed by specialist expertise in combustion, pumps, and controls to ensure the right solution for your application.

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 systems, boilers, and pressure vessels. It automatically opens at a set pressure to release excess steam or fluid, preventing catastrophic failure. Common in industrial plants, power generation, and process facilities requiring ASME Section VIII compliance.

What are the specifications of the APOLLO POP Safety Relief Valve?

This APOLLO POP valve has a 1 in MNPT x 1 1/2 in FNPT connection, bronze body, and a maximum operating pressure of 1,214 psi. The manufacturer part number is 523FEBKMAA0400. It is an ASME Section VIII steam pressure relief valve designed for high-pressure steam applications.

Where to buy the APOLLO POP Safety Relief Valve worldwide?

You can source the APOLLO POP Safety Relief Valve through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. 3G Electric supplies genuine APOLLO valves for steam systems.

How to install the APOLLO POP Safety Relief Valve?

Install the APOLLO POP valve vertically in a steam line with the inlet below the vessel. Use pipe sealant on the MNPT threads and ensure the discharge piping is unobstructed. Set the valve to the required pressure per ASME code. Always follow manufacturer guidelines and local regulations for safe operation.

Used in

Common applications for APOLLO
Water supply systems — APOLLO double check valve backflow preventers (Series 4A) for backflow protection in commercial buildings.
HVAC piping — APOLLO bronze ball valves (two-piece, FNPT) for shut-off and isolation in heating and cooling loops.
Irrigation networks — APOLLO double check valve assemblies (bronze, FNPT) to prevent contamination of potable water sources.
Process piping — APOLLO three-piece ball valves (full-port, sweat connections) for maintenance-friendly flow control in industrial lines.
Safety systems — APOLLO spring-return lever ball valves (bronze, FNPT) for fail-safe shut-off in fuel or gas applications.
Plumbing repairs — APOLLO repair kits (complete check kits) for servicing backflow preventers in existing installations.

APOLLO 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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Bronze pressure relief valve with 1 in MNPT inlet and 1 1/2 in FNPT outlet. ASME Section VIII certified for steam service. Maximum operating pressure 1,214 psi. Used for overpressure protection in boilers, pressure vessels, and industrial piping systems handling steam, air, or liquids
APOLLO
Bronze pressure relief valve with 1 in MNPT inlet and 1 1/2 in FNPT outlet. ASME Section VIII certified for steam service. Maximum operating pressure 1,214 psi. Used for overpressure protection in boilers, pressure vessels, and industrial piping systems handling steam, air, or liquids
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523GFBKMAA0400)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523GFBKMAA0400)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523EEBKMAA0450)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523EEBKMAA0450)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523DCDKMAA0450)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523DCDKMAA0450)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 1/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523EDBKMAA0450)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 1/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523EDBKMAA0450)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FEBKMAA0175)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FEBKMAA0175)

More from APOLLO

View all APOLLO parts
Bronze ASME Section VIII steam pressure relief valve with 3/4 in MNPT x 3/4 in FNPT connections. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
APOLLO
Bronze ASME Section VIII steam pressure relief valve with 3/4 in MNPT x 3/4 in FNPT connections. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
This APOLLO safety relief valve is an ASME Section VIII steam pressure relief valve with a 1/2 in MNPT x 1 in FNPT connection. Constructed from bronze, it has a maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
APOLLO
This APOLLO safety relief valve is an ASME Section VIII steam pressure relief valve with a 1/2 in MNPT x 1 in FNPT connection. Constructed from bronze, it has a maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
This APOLLO steam pressure relief valve is ASME Section VIII rated for overpressure protection in steam systems, boilers, and pressure vessels. It features a bronze body with 3/4 in MNPT inlet and 1 1/4 in FNPT outlet, and a maximum operating pressure of 1,214 psi. The valve automatically opens at set pressure to release excess steam or gas
APOLLO
This APOLLO steam pressure relief valve is ASME Section VIII rated for overpressure protection in steam systems, boilers, and pressure vessels. It features a bronze body with 3/4 in MNPT inlet and 1 1/4 in FNPT outlet, and a maximum operating pressure of 1,214 psi. The valve automatically opens at set pressure to release excess steam or gas
ASME Section VIII steam pressure relief valve with 1 in MNPT inlet and 1 1/2 in FNPT outlet. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
APOLLO
ASME Section VIII steam pressure relief valve with 1 in MNPT inlet and 1 1/2 in FNPT outlet. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
This APOLLO steam pressure relief valve is ASME Section VIII certified for overpressure protection in steam systems. It features a bronze body with 1 1/2 in MNPT inlet and 2 1/2 in FNPT outlet, and a maximum operating pressure of 1,214 psi. Used to safeguard boilers, pressure vessels, and piping by automatically venting excess steam
APOLLO
This APOLLO steam pressure relief valve is ASME Section VIII certified for overpressure protection in steam systems. It features a bronze body with 1 1/2 in MNPT inlet and 2 1/2 in FNPT outlet, and a maximum operating pressure of 1,214 psi. Used to safeguard boilers, pressure vessels, and piping by automatically venting excess steam
This ASME Section VIII steam pressure relief valve features a bronze body with 3/4 in MNPT x 3/4 in FNPT connections. It is rated for a maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, including boilers and pressure vessels
APOLLO
This ASME Section VIII steam pressure relief valve features a bronze body with 3/4 in MNPT x 3/4 in FNPT connections. It is rated for a maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, including boilers and pressure vessels
This APOLLO steam pressure relief valve is constructed with a bronze body and features a 2 in MNPT inlet by 3 in FNPT outlet configuration. Rated for a maximum operating pressure of 1,214 psi, it is designed for overpressure protection in steam systems, boilers, and pressure vessels. The valve automatically opens at set pressure to release excess steam or fluid, meeting ASME Section VIII requirements
APOLLO
This APOLLO steam pressure relief valve is constructed with a bronze body and features a 2 in MNPT inlet by 3 in FNPT outlet configuration. Rated for a maximum operating pressure of 1,214 psi, it is designed for overpressure protection in steam systems, boilers, and pressure vessels. The valve automatically opens at set pressure to release excess steam or fluid, meeting ASME Section VIII requirements
ASME Section VIII steam pressure relief valve with 2 in MNPT inlet and 2 1/2 in FNPT outlet. Bronze construction. Maximum operating pressure 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
APOLLO
ASME Section VIII steam pressure relief valve with 2 in MNPT inlet and 2 1/2 in FNPT outlet. Bronze construction. Maximum operating pressure 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels