We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

3G Electric
RFQ CartGet a QuoteSign inSign up
APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in - ASME Section VIII Steam Pressure Relief Valves
APOLLOASME Section VIII Steam Pressure Relief Valves

APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in

The APOLLO POP Safety Relief Valve (MNPT x FNPT) is an ASME Section VIII steam pressure relief valve in a 1 in x 1 1/4 in size, with a maximum operating pressure of 1,214 psi (MPN 543EEBKMAA0300). 3G Electric…

SKU 3G-OTH-433914

Brand
APOLLO
Item
Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in
Category
ASME Section VIII Steam Pressure Relief Valves
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

APOLLO
Manufacturer Part Number
543EEBKMAA0300
Type
1 in x 1 1/4 in
Max. Op Pressure
1,214 psi
View Full Spec Sheet

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 (MNPT x FNPT) is an ASME Section VIII steam pressure relief valve in a 1 in x 1 1/4 in size, with a maximum operating pressure of 1,214 psi (MPN 543EEBKMAA0300). 3G Electric interprets your demand for this critical safety component, sourcing it from our global supply network and backing it with specialist expertise across 14 industrial departments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the APOLLO POP Safety Relief Valve used for?

The APOLLO POP Safety Relief Valve is used for overpressure protection on steam systems, boilers, and pressure vessels. It automatically opens at a set pressure to release excess steam, preventing catastrophic failure. This ASME Section VIII valve is critical in industrial plants, refineries, and power generation facilities.

What are the specifications of the APOLLO 543EEBKMAA0300 valve?

The APOLLO 543EEBKMAA0300 is a 1 in x 1 1/4 in MNPT x FNPT POP Safety Relief Valve with a maximum operating pressure of 1,214 psi. It is ASME Section VIII certified for steam service. The valve is constructed for high-pressure industrial applications and is supplied by 3G Electric.

Where to buy APOLLO safety relief valves worldwide?

3G Electric supplies APOLLO safety relief valves worldwide, handling full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine APOLLO parts like the 543EEBKMAA0300 and support procurement teams across 14 departments. Contact us for availability and lead time.

How to select the correct APOLLO POP Safety Relief Valve?

To select the correct APOLLO POP Safety Relief Valve, match the inlet and outlet sizes (e.g., 1 in x 1 1/4 in) and confirm the maximum operating pressure (1,214 psi) meets your system requirements. Verify ASME Section VIII certification for steam applications. 3G Electric can help interpret your demand and source the right APOLLO valve.

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 →

Similar products

Matched by specification & description
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure (MPN 543EEBKMAA0200). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure (MPN 543EEBKMAA0200). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure (MPN 543FEBKMAA0300). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure (MPN 543FEBKMAA0300). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure (MPN 543FEBKMAA0200). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure (MPN 543FEBKMAA0200). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure (MPN 543EEBKMAA0050). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure (MPN 543EEBKMAA0050). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure (MPN 543EEBKMAA0100). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/4 in, 1,214 psi Max. Op Pressure (MPN 543EEBKMAA0100). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 1 in, 1,214 psi Max. Op Pressure (MPN 541DCBKMAA0300). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1/2 in x 1 in, 1,214 psi Max. Op Pressure (MPN 541DCBKMAA0300). Key specifications — Brand: APOLLO.

More from APOLLO

View all APOLLO parts →
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511GFBKMAA0175). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511GFBKMAA0175). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 in, 1,214 psi Max. Op Pressure (MPN 541DDBKMAA0150). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 1 in, 1,214 psi Max. Op Pressure (MPN 541DDBKMAA0150). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FEBKMAA0200). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 1 in x 1 1/2 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511FEBKMAA0200). Key specifications — Brand: 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 523EDBKMAA0400). Key specifications — Brand: APOLLO.
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 523EDBKMAA0400). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 3 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523JHBKMAA0450). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 2 in x 3 in, 1,214 psi Max. Op Pressure, Bronze (MPN 523JHBKMAA0450). Key specifications — Brand: 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). Key specifications — Brand: APOLLO.
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). Key specifications — Brand: APOLLO.
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DDDKMAA0125). Key specifications — Brand: APOLLO.
APOLLO
APOLLO POP Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 1,214 psi Max. Op Pressure, Bronze (MPN 511DDDKMAA0125). Key specifications — Brand: 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). Key specifications — Brand: APOLLO.
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). Key specifications — Brand: APOLLO.