ANVIL Cap: Cap, 300 psi @ 150° F, 4 in, NPT Threaded, Malleable Iron
The ANVIL Cap is a medium-pressure threaded pipe fitting, type cap, with a maximum operating pressure of 300 psi @ 150° F, a 4 in size, NPT threaded connection, and made of malleable iron. Manufactured in the USA…
SKU 3G-OTH-462455
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Product Description
The ANVIL Cap is a medium-pressure threaded pipe fitting, type cap, with a maximum operating pressure of 300 psi @ 150° F, a 4 in size, NPT threaded connection, and made of malleable iron. Manufactured in the USA (MPN 0319901005).
Frequently Asked Questions
What is the ANVIL Cap used for?
The ANVIL Cap is a medium-pressure threaded pipe fitting used to seal the end of a 4-inch NPT pipe system. It is commonly applied in industrial plumbing, HVAC, and process piping where a durable, leak-proof closure is needed at up to 300 psi @ 150° F.
What are the specifications of the ANVIL Cap?
The ANVIL Cap (MPN 0319901005) has a maximum operating pressure of 300 psi @ 150° F, a 4-inch size, NPT threaded connection, and is made of malleable iron. It is manufactured in the USA and is classified as a medium-pressure threaded pipe fitting.
Where to buy the ANVIL Cap worldwide?
3G Electric supplies the ANVIL Cap to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery for this malleable iron pipe fitting. Contact us to order the ANVIL Cap for your piping system.
How to install the ANVIL Cap?
To install the ANVIL Cap, apply pipe thread sealant or PTFE tape to the male NPT threads of the pipe. Hand-tighten the cap, then use a pipe wrench for a final quarter-turn. Do not overtighten, as malleable iron can crack. Test the joint at operating pressure before service.
ANVIL Products
3G Electric supplies ANVIL medium-pressure threaded pipe fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









