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 3/4 in, Cast Bronze - ASME Section IV Hot Water Pressure Relief Valves
APOLLOASME Section IV Hot Water Pressure Relief Valves

APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze

The APOLLO Safety Relief Valve (MPN 1740204) is an ASME Section IV Hot Water Pressure Relief Valve in a 3/4 in x 3/4 in MNPT x FNPT configuration, constructed from cast bronze with a maximum operating pressure of 150…

SKU 3G-OTH-429315

Brand
APOLLO
Item
Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze
Category
ASME Section IV Hot Water 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
1740204
Type
3/4 in x 3/4 in, Cast Bronze
Max. Op Pressure
150 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 Safety Relief Valve (MPN 1740204) is an ASME Section IV Hot Water Pressure Relief Valve in a 3/4 in x 3/4 in MNPT x FNPT configuration, constructed from cast bronze with a maximum operating pressure of 150 psi. 3G Electric interprets your demand for this critical safety component, sourcing it from our trusted supply network and supporting you with specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the APOLLO Safety Relief Valve 1740204 used for?

The APOLLO Safety Relief Valve 1740204 is used as an ASME Section IV hot water pressure relief valve. It protects hot water heating systems and storage tanks from overpressure by automatically relieving excess pressure at 150 psi maximum operating pressure.

What are the specifications of the APOLLO Safety Relief Valve 1740204?

The APOLLO Safety Relief Valve 1740204 has a 3/4 in MNPT x 3/4 in FNPT connection, a cast bronze body, and a maximum operating pressure of 150 psi. It is an ASME Section IV rated hot water pressure relief valve with manufacturer part number 1740204.

Where to buy the APOLLO Safety Relief Valve 1740204 worldwide?

You can source the APOLLO Safety Relief Valve 1740204 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.

How to install the APOLLO Safety Relief Valve 1740204?

Install the APOLLO Safety Relief Valve 1740204 in the hot water system discharge line with the arrow on the body pointing in the flow direction. Ensure the valve is upright and the discharge pipe is sized to avoid restriction. Follow local plumbing codes and the manufacturer's instructions.

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 hot water 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 Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740203). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, Cast Bronze, 150 psi Max. Op Pressure (MPN 1740203). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13211B10). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13211B10). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B05). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B05). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B10). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B10). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13211B05). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13211B05). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B15). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B15). Key specifications — Brand: APOLLO.

More from APOLLO

View all APOLLO parts
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/2 in x 1 1/2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060725). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/2 in x 1 1/2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060725). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/2 in x 1 1/2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060734). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/2 in x 1 1/2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060734). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/2 in x 1 1/2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060715). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/2 in x 1 1/2 in, Bronze, 174 psi Max. Op Pressure (MPN 1060715). Key specifications — Brand: APOLLO.
APOLLO Relief Valve: FNPT x FNPT, 1 1/2 in x 2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061715). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Relief Valve: FNPT x FNPT, 1 1/2 in x 2 in, Bronze, 160 psi Max. Op Pressure (MPN 1061715). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: FNPT x FNPT, 1 in x 1 in, Bronze, 174 psi Max. Op Pressure (MPN 1060534). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 in x 1 in, Bronze, 174 psi Max. Op Pressure (MPN 1060534). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: FNPT x FNPT, 1 in x 1 in, Bronze, 174 psi Max. Op Pressure (MPN 1060525). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 in x 1 in, Bronze, 174 psi Max. Op Pressure (MPN 1060525). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze, 174 psi Max. Op Pressure (MPN 1060434). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 3/4 in x 3/4 in, Bronze, 174 psi Max. Op Pressure (MPN 1060434). Key specifications — Brand: APOLLO.
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/4 in, Bronze, 174 psi Max. Op Pressure (MPN 1060615). Key specifications — Brand: APOLLO.
APOLLO
APOLLO Safety Relief Valve: FNPT x FNPT, 1 1/4 in x 1 1/4 in, Bronze, 174 psi Max. Op Pressure (MPN 1060615). Key specifications — Brand: APOLLO.