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

Image not available
APOLLONon-Code Air, Inert Gas & Liquids Pressure Relief Valves

APOLLO Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze

The APOLLO Adjustable Relief Valve (MPN 1650125) is a 1/2 in x 1/2 in, cast bronze non-code pressure relief valve for air, inert gas, and liquids, with a maximum operating pressure of 250 psi. It features MNPT x FNPT…

SKU 3G-OTH-437942

Brand
APOLLO
Item
Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze
Category
Non-Code Air, Inert Gas & Liquids 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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

APOLLO
Manufacturer Part Number
1650125
Type
1/2 in x 1/2 in, Cast Bronze
Max. Op Pressure
250 psi

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 Adjustable Relief Valve (MPN 1650125) is a 1/2 in x 1/2 in, cast bronze non-code pressure relief valve for air, inert gas, and liquids, with a maximum operating pressure of 250 psi. It features MNPT x FNPT connections and is adjustable for set-point flexibility.

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 Adjustable Relief Valve 1650125 used for?

The APOLLO 1650125 is a non-code pressure relief valve for air, inert gas, and liquids. It protects systems from overpressure in industrial piping, compressors, and hydraulic circuits. Its adjustable set point allows field calibration for specific pressure thresholds.

What are the specifications of the APOLLO 1650125 relief valve?

The APOLLO 1650125 is a 1/2 in MNPT x 1/2 in FNPT adjustable relief valve made of cast bronze. It has a maximum operating pressure of 250 psi. It is designed for non-code air, inert gas, and liquid service. The manufacturer part number is 1650125.

Where to buy the APOLLO 1650125 relief valve worldwide?

3G Electric supplies the APOLLO 1650125 adjustable relief valve worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time for your region.

How to install the APOLLO 1650125 adjustable relief valve?

Install the APOLLO 1650125 in a vertical position with the inlet connected to the protected system. Use thread sealant on the MNPT and FNPT connections. Adjust the set pressure using the locking ring and cap. Always test after installation per system requirements.

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 non-code air, inert gas & liquids 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 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 Safety Relief Valve: MNPT x FNPT, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B10)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B10)
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B05)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 3/4 in x 3/4 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13101B05)
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, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B05)
APOLLO
APOLLO Safety Relief Valve: MNPT x FNPT, 1 in x 1 in, 15 psi Max. Op Pressure, Cast Bronze (MPN 13202B05)

More from APOLLO

View all APOLLO parts
APOLLO Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze, 250 psi Max. Op Pressure (MPN 1650101)
APOLLO
APOLLO Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze, 250 psi Max. Op Pressure (MPN 1650101)
APOLLO
APOLLO
APOLLO Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze, 600 psi Max. Op Pressure (MPN 1650102)
APOLLO Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze, 600 psi Max. Op Pressure (MPN 1650160)
APOLLO
APOLLO Adjustable Relief Valve: MNPT x FNPT, 1/2 in x 1/2 in, Cast Bronze, 600 psi Max. Op Pressure (MPN 1650160)