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

ASP Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 3 in For Pipe Size - R Series Soft Iron Ring Type Joint Gaskets
ASPR Series Soft Iron Ring Type Joint Gaskets

ASP Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 3 in For Pipe Size

The ASP R Series Soft Iron Ring Type Joint Gasket (SKU 3G-OTH-648849, MPN R31.SI) is an oval ring joint gasket for ANSI Pressure Class 900, sized for 3-inch pipe, in yellow soft iron. 3G Electric interprets this…

SKU 3G-OTH-648849

Also listed as: R31SI · R31 SI · R31-SI

Brand
ASP
Item
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 3 in For Pipe Size
Category
R Series Soft Iron Ring Type Joint Gaskets
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

ASP
Manufacturer Part Number
R31.SI
Type
For ANSI Pressure Class 900, Yellow, Soft Iron
For Pipe Size
3 in

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

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

Product Description

The ASP R Series Soft Iron Ring Type Joint Gasket (SKU 3G-OTH-648849, MPN R31.SI) is an oval ring joint gasket for ANSI Pressure Class 900, sized for 3-inch pipe, in yellow soft iron. 3G Electric interprets this demand and delivers genuine industrial sealing components across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

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 an ASP R Series Soft Iron Ring Type Joint Gasket used for?

The ASP R Series Soft Iron Ring Type Joint Gasket (MPN R31.SI) seals high-pressure flanged connections in ANSI Class 900 systems, typically in oil and gas, petrochemical, and power generation piping. Its oval shape and soft iron material provide reliable metal-to-metal sealing under extreme temperatures and pressures.

What are the specifications of the ASP R31.SI ring joint gasket?

The ASP R31.SI is an oval ring joint gasket for ANSI Pressure Class 900, sized for 3-inch pipe. It is made of yellow soft iron and has manufacturer part number R31.SI. This gasket is designed for high-integrity sealing in demanding industrial applications.

Where to buy ASP R31.SI ring joint gaskets worldwide?

3G Electric supplies the ASP R31.SI ring joint gasket worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to source this genuine sealing component for your ANSI Class 900 piping system.

How to install an oval ring joint gasket for ANSI Class 900?

Ensure the flange groove is clean and free of debris. Place the ASP oval gasket centrally in the groove. Tighten flange bolts evenly in a cross pattern to the torque specified by the flange standard. Over-tightening can deform the gasket; follow manufacturer guidelines for re-use limits.

ASP Products

3G Electric supplies ASP r series soft iron ring type joint gaskets. 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

More from ASP

View all ASP parts
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 1,500, 10 in For Pipe Size, Yellow, Soft Iron (MPN R54.OCT)
ASP
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 1,500, 10 in For Pipe Size, Yellow, Soft Iron (MPN R54.OCT)
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 900, 3 in For Pipe Size, Yellow, Soft Iron (MPN R31.OCT)
ASP
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 900, 3 in For Pipe Size, Yellow, Soft Iron (MPN R31.OCT)
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 8 in For Pipe Size, Yellow, Soft Iron (MPN R49.SI)
ASP
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 8 in For Pipe Size, Yellow, Soft Iron (MPN R49.SI)
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 900, 6 in For Pipe Size, Yellow, Soft Iron (MPN R45.OCT)
ASP
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 900, 6 in For Pipe Size, Yellow, Soft Iron (MPN R45.OCT)
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 4 in_3 1/2 in For Pipe Size, Yellow, Soft Iron (MPN R37.SI)
ASP
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 4 in_3 1/2 in For Pipe Size, Yellow, Soft Iron (MPN R37.SI)
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 1,500, 8 in For Pipe Size, Yellow, Soft Iron (MPN R50.OCT)
ASP
Ring Joint Gasket: Octagonal, For ANSI Pressure Class 1,500, 8 in For Pipe Size, Yellow, Soft Iron (MPN R50.OCT)
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 10 in For Pipe Size, Yellow, Soft Iron (MPN R53.SI)
ASP
Ring Joint Gasket: Oval, For ANSI Pressure Class 900, 10 in For Pipe Size, Yellow, Soft Iron (MPN R53.SI)
Ring Joint Gasket: Oval, For ANSI Pressure Class 1,500, 3 in For Pipe Size, Yellow, Soft Iron (MPN R35.SI)
ASP
Ring Joint Gasket: Oval, For ANSI Pressure Class 1,500, 3 in For Pipe Size, Yellow, Soft Iron (MPN R35.SI)