We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT - ASME Section IV Temperature & Pressure Relief Valves
APOLLOASME Section IV Temperature & Pressure Relief Valves

APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT

The APOLLO Temperature and Pressure Relief Valve is an ASME Section IV temperature and pressure relief valve constructed with a bronze body. This valve, identified by manufacturer part number 18C40129, is designed…

SKU 3G-OTH-437132

Brand
APOLLO
Item
Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT
Category
ASME Section IV Temperature & 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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

APOLLO
Manufacturer Part Number
18C40129
Type
MNPT x FNPT, Bronze
Body Material
Bronze

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 Temperature and Pressure Relief Valve is an ASME Section IV temperature and pressure relief valve constructed with a bronze body. This valve, identified by manufacturer part number 18C40129, is designed for overpressure and overtemperature protection in accordance with Section IV of the ASME code.

Frequently Asked Questions

What is the APOLLO Temperature and Pressure Relief Valve used for?

The APOLLO Temperature and Pressure Relief Valve provides overpressure and overtemperature protection in hot water heating systems. It is designed to ASME Section IV standards, making it suitable for commercial and residential boiler applications where safety relief is required.

What are the specifications of the APOLLO 18C40129 valve?

The APOLLO 18C40129 is an ASME Section IV temperature and pressure relief valve with a bronze body. It features MNPT x FNPT connections. The manufacturer part number is 18C40129, and the body material is bronze, ensuring corrosion resistance in hydronic systems.

Where to buy the APOLLO 18C40129 valve worldwide?

3G Electric supplies the APOLLO 18C40129 valve to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and to place an order for this ASME Section IV relief valve.

How to install the APOLLO temperature and pressure relief valve?

Install the APOLLO valve in the hot water system discharge line with the sensing element immersed in the tank. Ensure the discharge pipe is directed safely to a drain and is not blocked. Follow local plumbing codes and ASME guidelines for proper orientation and support.

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 temperature & 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 Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5513125)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5513125)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5314125)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5314125)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5314150)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5314150)
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)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, FNPT x FNPT, Bronze (MPN 18C5424150)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, FNPT x FNPT, Bronze (MPN 18C5424150)

More from APOLLO

View all APOLLO parts →
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, FNPT x FNPT, Bronze (MPN 18C5424125)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, FNPT x FNPT, Bronze (MPN 18C5424125)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5213125)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5213125)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C402X39)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C402X39)
APOLLO
APOLLO
APOLLO Temperature and Pressure Relief Valve: M x F, 3/4 in x 3/4 in Connection Size, Bronze (MPN 18C402X38)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5513150)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5513150)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5115125)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C5115125)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C40229)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, MNPT x FNPT, Bronze (MPN 18C40229)
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, FNPT x FNPT, Bronze (MPN 18C5125125)
APOLLO
APOLLO Temperature and Pressure Relief Valve: Section IV ASME Section, FNPT x FNPT, Bronze (MPN 18C5125125)