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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 valve constructed with a bronze body. This model, MPN 18C402X39, features MNPT x FNPT connections. It is designed for temperature and pressure…

SKU 3G-OTH-437112

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

APOLLO
Manufacturer Part Number
18C402X39
Type
MNPT x FNPT, Bronze
Body Material
Bronze

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

Product Description

The APOLLO Temperature and Pressure Relief Valve is an ASME Section IV valve constructed with a bronze body. This model, MPN 18C402X39, features MNPT x FNPT connections. It is designed for temperature and pressure relief applications 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, MPN 18C402X39, is used to protect hot water heating systems and storage tanks from excessive temperature or pressure. It automatically opens to relieve pressure or discharge water when unsafe conditions occur, preventing equipment damage or failure.

What are the specifications of the APOLLO 18C402X39 valve?

The APOLLO 18C402X39 is an ASME Section IV temperature and pressure relief valve with a bronze body. It features MNPT x FNPT connections. The valve is designed for temperature and pressure relief applications in accordance with Section IV of the ASME code.

Where to buy the APOLLO 18C402X39 valve worldwide?

3G Electric supplies the APOLLO 18C402X39 temperature and pressure relief valve to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this bronze-body ASME Section IV valve.

How to install an APOLLO temperature and pressure relief valve?

Install the APOLLO valve in the designated tapping on the water heater or tank, ensuring the discharge pipe is directed to a safe drain. Follow local plumbing codes and the manufacturer's instructions. Never install a shut-off valve between the relief valve and the tank.

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.

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