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APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 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, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure

The APOLLO POP Safety Relief Valve (MPN 511GFBKMAA0125) is an ASME Section VIII steam pressure relief valve in a 1 1/4 in x 2 in MNPT x FNPT bronze configuration, with a maximum operating pressure of 1,214 psi. 3G…

SKU 3G-OTH-433829

Brand
APOLLO
Item
Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure
Category
ASME Section VIII Steam Pressure Relief Valves
Available to Order
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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
511GFBKMAA0125
Type
1 1/4 in x 2 in, Bronze
Max. Op Pressure
1,214 psi

Technical Documents

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

Product Description

The APOLLO POP Safety Relief Valve (MPN 511GFBKMAA0125) is an ASME Section VIII steam pressure relief valve in a 1 1/4 in x 2 in MNPT x FNPT bronze configuration, with a maximum operating pressure of 1,214 psi. 3G Electric sources this genuine APOLLO valve as part of our broader industrial supply across 14 departments, with specialist expertise in combustion, pumps, and controls ensuring accurate specification and support.

Frequently Asked Questions

What is the APOLLO POP Safety Relief Valve used for?

The APOLLO POP Safety Relief Valve protects pressure vessels and steam systems from overpressure. It is designed for ASME Section VIII applications, automatically relieving excess pressure to prevent catastrophic failure in industrial boilers, compressors, and piping systems.

What are the specifications of the APOLLO 511GFBKMAA0125 valve?

This APOLLO POP Safety Relief Valve has a 1 1/4 in x 2 in MNPT x FNPT connection, bronze body, and a maximum operating pressure of 1,214 psi. It is an ASME Section VIII steam pressure relief valve, model 511GFBKMAA0125.

Where to buy the APOLLO 511GFBKMAA0125 valve worldwide?

3G Electric supplies the APOLLO 511GFBKMAA0125 POP Safety Relief Valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this ASME Section VIII bronze valve.

How to select the correct APOLLO safety relief valve for steam?

Select an APOLLO safety relief valve by matching the set pressure, pipe size, and material to your ASME Section VIII steam system. For the 511GFBKMAA0125, confirm the 1 1/4 in x 2 in connection and 1,214 psi max operating pressure suit your application. Consult a qualified engineer for sizing.

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FFBKMAA0125)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FFBKMAA0125)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511GGBKMAA0200)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511GGBKMAA0200)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HGBKMAA0125)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511HGBKMAA0125)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 3 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511JHBKMAA0125)
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APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 3 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511JHBKMAA0125)
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DCDKMAA0175)
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DCDKMAA0175)
ASME Section VIII steam pressure relief valve with 1/2 in MNPT x 1 in FNPT connections. Bronze body construction rated for maximum operating pressure of 1,214 psi. Used for overpressure protection on steam systems, air, gas, and liquid applications in boilers, pressure vessels, and industrial process equipment
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ASME Section VIII steam pressure relief valve with 1/2 in MNPT x 1 in FNPT connections. Bronze body construction rated for maximum operating pressure of 1,214 psi. Used for overpressure protection on steam systems, air, gas, and liquid applications in boilers, pressure vessels, and industrial process equipment

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This APOLLO safety relief valve is constructed of bronze with MNPT x FNPT connections. It is rated for a maximum operating pressure of 1,214 psi and complies with ASME Section VIII. Used for overpressure protection in steam systems, boilers, and pressure vessels
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This APOLLO safety relief valve is constructed of bronze with MNPT x FNPT connections. It is rated for a maximum operating pressure of 1,214 psi and complies with ASME Section VIII. Used for overpressure protection in steam systems, boilers, and pressure vessels
Bronze steam pressure relief valve with 1 in MNPT x 1 1/2 in FNPT connections. Rated for maximum operating pressure of 1,214 psi. Designed for overpressure protection in steam systems, boilers, and pressure vessels requiring ASME Section VIII compliance
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Bronze steam pressure relief valve with 1 in MNPT x 1 1/2 in FNPT connections. Rated for maximum operating pressure of 1,214 psi. Designed for overpressure protection in steam systems, boilers, and pressure vessels requiring ASME Section VIII compliance
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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
ASME Section VIII steam pressure relief valve with 1 in MNPT x 1 1/2 in FNPT connections and a maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels, automatically opening at set pressure to release excess steam
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ASME Section VIII steam pressure relief valve with 1 in MNPT x 1 1/2 in FNPT connections and a maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels, automatically opening at set pressure to release excess steam
This APOLLO pressure relief valve features a bronze body with 1 1/2 in MNPT inlet and 2 in FNPT outlet. It is ASME Section VIII certified for steam service and rated for 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
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This APOLLO pressure relief valve features a bronze body with 1 1/2 in MNPT inlet and 2 in FNPT outlet. It is ASME Section VIII certified for steam service and rated for 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
ASME Section VIII steam pressure relief valve with 3/4 in MNPT inlet and 1 1/4 in FNPT outlet. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
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ASME Section VIII steam pressure relief valve with 3/4 in MNPT inlet and 1 1/4 in FNPT outlet. Maximum operating pressure of 1,214 psi. Used for overpressure protection in steam systems, boilers, and pressure vessels
ASME Section VIII steam pressure relief valve with 1 in MNPT x 1 1/2 in FNPT connections. Rated for maximum operating pressure of 1,214 psi. Used for overpressure protection on steam systems, boilers, and pressure vessels
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ASME Section VIII steam pressure relief valve with 1 in MNPT x 1 1/2 in FNPT connections. Rated for maximum operating pressure of 1,214 psi. Used for overpressure protection on 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
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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