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APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure - ASME Section IV Steam Pressure Relief Valves
APOLLOASME Section IV Steam Pressure Relief Valves

APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure

The APOLLO Safety Relief Valve (MPN 13211B05) is an ASME Section IV steam pressure relief valve in a 3/4 in x 3/4 in MNPT x FNPT configuration, constructed of cast bronze with a maximum operating pressure of 15 psi…

SKU 3G-OTH-453670

Brand
APOLLO
Item
Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure
Category
ASME Section IV Steam Pressure Relief Valves
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Technical Specifications

APOLLO
Manufacturer Part Number
13211B05
Type
3/4 in x 3/4 in, Cast Bronze
Max. Op Pressure
15 psi

Technical Documents

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

Product Description

The APOLLO Safety Relief Valve (MPN 13211B05) is an ASME Section IV steam pressure relief valve in a 3/4 in x 3/4 in MNPT x FNPT configuration, constructed of cast bronze with a maximum operating pressure of 15 psi. 3G Electric interprets this demand and delivers the genuine APOLLO valve, backed by our specialist expertise across 14 industrial departments — including combustion, pumps, and controls — to ensure you get the right solution, not just a part.

Frequently Asked Questions

What is the APOLLO 13211B05 safety relief valve used for?

The APOLLO 13211B05 is an ASME Section IV steam pressure relief valve used to protect low-pressure steam boilers and heating systems from overpressure. Its 3/4 in MNPT x FNPT connections and 15 psi maximum operating pressure make it suitable for residential and light commercial hydronic applications.

What are the specifications of the APOLLO 13211B05 safety relief valve?

The APOLLO 13211B05 is a cast bronze safety relief valve with 3/4 in MNPT x FNPT connections. It has a maximum operating pressure of 15 psi and is ASME Section IV certified for steam service. The manufacturer part number is 13211B05.

Where to buy the APOLLO 13211B05 safety relief valve worldwide?

3G Electric supplies the APOLLO 13211B05 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 IV steam valve.

How to install the APOLLO 13211B05 safety relief valve?

Install the APOLLO 13211B05 in the steam outlet of the boiler with the valve spindle vertical. Use pipe thread sealant on the 3/4 in MNPT inlet and FNPT outlet. Ensure discharge piping is routed to a safe location per local codes. Never install a shutoff valve between the boiler and relief 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 iv 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 Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13211B10)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13211B10)
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B10)
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APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B10)
APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 1 1/2 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13213B15)
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APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/4 in x 1 1/2 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13213B15)
APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B15)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B15)
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740203)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740203)
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740204)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740204)

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APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B05)
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APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B10)
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APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13214B15)
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APOLLO Safety Relief Valve: MNPT x FNPT, 1 1/2 in x 2 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13214B15)