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

APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 1/4 in, 1,214 psi Max. Op Pressure - ASME Section VIII Steam Pressure Relief Valves
APOLLOASME Section VIII Steam Pressure Relief Valves

APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 1/4 in, 1,214 psi Max. Op Pressure

The APOLLO POP Safety Relief Valve is an ASME Section VIII steam pressure relief valve, type MNPT x FNPT, in a 3/4 in x 1 1/4 in bronze configuration. It has a maximum operating pressure of 1,214 psi (MPN…

SKU 3G-OTH-433936

Brand
APOLLO
Item
Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 1/4 in, 1,214 psi Max. Op Pressure
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
523EDBKMAA0450
Type
3/4 in x 1 1/4 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, type MNPT x FNPT, in a 3/4 in x 1 1/4 in bronze configuration. It has a maximum operating pressure of 1,214 psi (MPN 523EDBKMAA0450).

Frequently Asked Questions

What is the APOLLO POP Safety Relief Valve used for?

The APOLLO POP Safety Relief Valve protects steam systems from overpressure. It is used in boilers, pressure vessels, and piping to automatically relieve excess pressure, ensuring safe operation in industrial steam applications.

What are the specifications of the APOLLO POP Safety Relief Valve 523EDBKMAA0450?

This APOLLO valve has a 3/4 in MNPT x 1 1/4 in FNPT connection, bronze body, and a maximum operating pressure of 1,214 psi. It is an ASME Section VIII steam pressure relief valve, model 523EDBKMAA0450.

Where to buy the APOLLO POP Safety Relief Valve worldwide?

3G Electric supplies the APOLLO POP Safety Relief Valve worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to order this valve for your steam system.

How to install the APOLLO POP Safety Relief Valve?

Install the APOLLO valve in the vertical position with the inlet connected to the protected system. Ensure no shutoff valves between the system and relief valve. Follow ASME Section VIII guidelines and local codes for safe installation.

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
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)
ASME Section VIII steam pressure relief valve with 1 in MNPT x 1 1/4 in FNPT connections, bronze body, and 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 x 1 1/4 in FNPT connections, bronze body, and maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
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 ASME Section VIII steam pressure relief valve with 3/4 in MNPT x 3/4 in FNPT connections, bronze body, and maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
APOLLO
APOLLO ASME Section VIII steam pressure relief valve with 3/4 in MNPT x 3/4 in FNPT connections, bronze body, and maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
This APOLLO pressure relief valve features a bronze body with 1 1/2 in MNPT inlet and 2 1/2 in FNPT outlet. Rated for a maximum operating pressure of 1,214 psi, it is designed for overpressure protection in steam, air, and liquid systems. Suitable for ASME Section VIII applications such as boilers and pressure vessels
APOLLO
This APOLLO pressure relief valve features a bronze body with 1 1/2 in MNPT inlet and 2 1/2 in FNPT outlet. Rated for a maximum operating pressure of 1,214 psi, it is designed for overpressure protection in steam, air, and liquid systems. Suitable for ASME Section VIII applications such as boilers and pressure vessels
ASME Section VIII steam pressure relief valve with 2 in MNPT x 3 in FNPT connections. Bronze body rated for maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems such as boilers and pressure vessels
APOLLO
ASME Section VIII steam pressure relief valve with 2 in MNPT x 3 in FNPT connections. Bronze body rated for maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems such as boilers and pressure vessels

More from APOLLO

View all APOLLO parts
This APOLLO pressure relief valve is ASME Section VIII certified for steam service. It features a bronze body with 1 1/4 in MNPT inlet and 1 1/2 in FNPT outlet, and a maximum operating pressure of 1,214 psi. Typical applications include overpressure protection on boilers, pressure vessels, and industrial piping systems handling steam, air, or liquids
APOLLO
This APOLLO pressure relief valve is ASME Section VIII certified for steam service. It features a bronze body with 1 1/4 in MNPT inlet and 1 1/2 in FNPT outlet, and a maximum operating pressure of 1,214 psi. Typical applications include overpressure protection on boilers, pressure vessels, and industrial piping systems handling steam, air, or liquids
This APOLLO steam pressure relief valve is constructed with a bronze body and features 3/4 in MNPT x 3/4 in FNPT connections. It has a maximum operating pressure of 1,214 psi and is designed for ASME Section VIII applications. The valve automatically relieves excess pressure in steam systems, such as boilers and pressure vessels, to prevent overpressure conditions
APOLLO
This APOLLO steam pressure relief valve is constructed with a bronze body and features 3/4 in MNPT x 3/4 in FNPT connections. It has a maximum operating pressure of 1,214 psi and is designed for ASME Section VIII applications. The valve automatically relieves excess pressure in steam systems, such as boilers and pressure vessels, to prevent overpressure conditions
This APOLLO steam pressure relief valve is ASME Section VIII certified for overpressure protection in steam systems. It features a 1 1/4 in MNPT x 2 in FNPT bronze body with a maximum operating pressure of 1,214 psi. Suitable for use on boilers, pressure vessels, and industrial steam lines
APOLLO
This APOLLO steam pressure relief valve is ASME Section VIII certified for overpressure protection in steam systems. It features a 1 1/4 in MNPT x 2 in FNPT bronze body with a maximum operating pressure of 1,214 psi. Suitable for use on boilers, pressure vessels, and industrial steam lines
ASME Section VIII steam pressure relief valve with 2 in MNPT x 2 1/2 in FNPT connections. Bronze body. 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 x 2 1/2 in FNPT connections. Bronze body. Maximum operating pressure 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
ASME Section VIII steam pressure relief valve with 1/2 in MNPT x 1 in FNPT connections and maximum operating pressure of 1,214 psi. Used to protect steam boilers, pressure vessels, and industrial steam lines from overpressure conditions
APOLLO
ASME Section VIII steam pressure relief valve with 1/2 in MNPT x 1 in FNPT connections and maximum operating pressure of 1,214 psi. Used to protect steam boilers, pressure vessels, and industrial steam lines from overpressure conditions
ASME Section VIII steam pressure relief valve with 1/2 in MNPT x 1 in FNPT connections. 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 1/2 in MNPT x 1 in FNPT connections. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
This APOLLO steam pressure relief valve features a bronze body with 3/4 in MNPT x 3/4 in FNPT connections. It is ASME Section VIII certified for overpressure protection in steam systems, boilers, and pressure vessels, with a maximum operating pressure of 1,214 psi
APOLLO
This APOLLO steam pressure relief valve features a bronze body with 3/4 in MNPT x 3/4 in FNPT connections. It is ASME Section VIII certified for overpressure protection in steam systems, boilers, and pressure vessels, with a maximum operating pressure of 1,214 psi
ASME Section VIII steam pressure relief valve with 2 in MNPT x 3 in FNPT connections and bronze body. 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 2 in MNPT x 3 in FNPT connections and bronze body. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels