Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

HAM-LET 316 Stainless Steel Instrumentation Poppet Check Valve - Stainless Steel Instrumentation Poppet Check Valves
HAM-LETStainless Steel Instrumentation Poppet Check Valves

HAM-LET 316 Stainless Steel Instrumentation Poppet Check Valve

The HAM-LET Check Valve: Poppet is a stainless steel instrumentation poppet check valve with an inline valve body, 3/8 in pipe size, and MNPT x MNPT connections. It features a 316 stainless steel seat material and is…

SKU 3G-OTH-428908

Also listed as: H480SSN381PSI · H 480 SS N 3 8 1 PSI · H-480-SS-N-3-8-1-PSI

Brand
HAM-LET
Item
316 Stainless Steel Instrumentation Poppet Check Valve
Category
Stainless Steel Instrumentation Poppet Check 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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HAM-LET
Manufacturer Part Number
H-480-SS-N-3/8"-1 PSI
Type
Inline Valve Body, MNPT x MNPT
Pipe Size
3/8 in
Seat Material
316 Stainless Steel
Stainless Steel
316

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

HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET Check Valve: Poppet is a stainless steel instrumentation poppet check valve with an inline valve body, 3/8 in pipe size, and MNPT x MNPT connections. It features a 316 stainless steel seat material and is identified by manufacturer part number H-480-SS-N-3/8"-1 PSI.

Frequently Asked Questions

What is a HAM-LET poppet check valve used for?

A HAM-LET poppet check valve prevents reverse flow in instrumentation and process lines. It is used in oil and gas, chemical, and power generation systems where reliable one-way flow of liquids or gases is critical. The inline body and MNPT connections simplify installation in tight piping layouts.

What are the specifications of the HAM-LET H-480-SS-N-3/8"-1 PSI check valve?

This HAM-LET check valve has a 316 stainless steel body and seat, 3/8 in pipe size, and MNPT x MNPT connections. The manufacturer part number is H-480-SS-N-3/8"-1 PSI. It is a poppet-style, inline valve designed for instrumentation applications requiring corrosion resistance and leak-tight sealing.

Where to buy HAM-LET check valves worldwide?

3G Electric supplies HAM-LET check valves worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the H-480-SS-N-3/8"-1 PSI or other HAM-LET models. We source and deliver to meet your project needs.

How to install a HAM-LET poppet check valve?

Install the HAM-LET poppet check valve in the correct flow direction, indicated by an arrow on the body. Use thread sealant on the MNPT connections and tighten to standard torque. Ensure the piping is clean and aligned to avoid stress. Test for leaks after installation. Follow generic instrumentation valve best practices.

Used in

Common applications for HAM-LET
Oil and gas — HAM-LET H99 Series needle valves for instrument isolation in high-pressure lines
Chemical processing — HAM-LET H-400 Series check valves for backflow prevention in corrosive fluid systems
Semiconductor manufacturing — HAM-LET EVZS4R-BV diaphragm valves for ultra-high-purity gas distribution
Power generation — HAM-LET H-6800 Series three-way ball valves for cooling water flow switching
Analytical instrumentation — HAM-LET H300U Series metering valves for precise flow regulation in lab gas systems
Hydraulic systems — HAM-LET H-410 Series poppet check valves for load-holding in hydraulic circuits
Not sure this is the right part? Photo-identify it

HAM-LET Products

3G Electric supplies HAM-LET stainless steel instrumentation poppet check 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
Inline poppet check valve with 1 in MNPT x MNPT connections. Body and seat are 316 stainless steel. Prevents reverse flow in instrumentation and process lines handling gases or liquids
HAM-LET
Inline poppet check valve with 1 in MNPT x MNPT connections. Body and seat are 316 stainless steel. Prevents reverse flow in instrumentation and process lines handling gases or liquids
This inline poppet check valve features a 316 stainless steel body and seat, with 3/4" MNPT x MNPT connections. It is designed to prevent reverse flow in instrumentation and process lines, suitable for high-purity, corrosive, or high-pressure applications requiring 316 stainless steel
HAM-LET
This inline poppet check valve features a 316 stainless steel body and seat, with 3/4" MNPT x MNPT connections. It is designed to prevent reverse flow in instrumentation and process lines, suitable for high-purity, corrosive, or high-pressure applications requiring 316 stainless steel
Inline poppet check valve with 3/4 in MNPT x MNPT connections. Body and seat are 316 stainless steel. Prevents backflow in instrumentation and process lines handling liquids or gases
HAM-LET
Inline poppet check valve with 3/4 in MNPT x MNPT connections. Body and seat are 316 stainless steel. Prevents backflow in instrumentation and process lines handling liquids or gases
This poppet check valve features an inline valve body with 3/8 inch MNPT x MNPT connections. Constructed from 316 stainless steel, it is used in instrumentation and process lines to prevent reverse flow, suitable for applications requiring corrosion resistance and compact one-way flow control
HAM-LET
This poppet check valve features an inline valve body with 3/8 inch MNPT x MNPT connections. Constructed from 316 stainless steel, it is used in instrumentation and process lines to prevent reverse flow, suitable for applications requiring corrosion resistance and compact one-way flow control
Inline poppet check valve with 316 stainless steel body and seat. 1/8 in MNPT x MNPT connections. Prevents reverse flow in gas or liquid instrumentation lines, suitable for analytical equipment, sampling systems, and process control panels
HAM-LET
Inline poppet check valve with 316 stainless steel body and seat. 1/8 in MNPT x MNPT connections. Prevents reverse flow in gas or liquid instrumentation lines, suitable for analytical equipment, sampling systems, and process control panels
This HAM-LET poppet check valve features an inline valve body with 1/4" MNPT x MNPT connections, constructed from 316 stainless steel. The seat material is also 316 stainless steel. It is used in instrumentation and process systems to prevent reverse flow of liquids or gases in applications such as chemical, petrochemical, and analytical equipment
HAM-LET
This HAM-LET poppet check valve features an inline valve body with 1/4" MNPT x MNPT connections, constructed from 316 stainless steel. The seat material is also 316 stainless steel. It is used in instrumentation and process systems to prevent reverse flow of liquids or gases in applications such as chemical, petrochemical, and analytical equipment

More from HAM-LET

View all HAM-LET parts
Inline poppet check valve with 6 mm pipe size and Let-Lok® end connections. Stainless steel body with FKM seal. Prevents reverse flow in high-pressure fluid and gas lines
HAM-LET
Inline poppet check valve with 6 mm pipe size and Let-Lok® end connections. Stainless steel body with FKM seal. Prevents reverse flow in high-pressure fluid and gas lines
Inline poppet check valve with 316 stainless steel body and seat. Features 1/8 in male NPT connections. Prevents reverse flow in gas or liquid instrumentation lines, commonly used in analytical equipment, sampling systems, and process control panels
HAM-LET
Inline poppet check valve with 316 stainless steel body and seat. Features 1/8 in male NPT connections. Prevents reverse flow in gas or liquid instrumentation lines, commonly used in analytical equipment, sampling systems, and process control panels
This poppet check valve features a 316 stainless steel body and seat, with 1/2 in FNPT connections. The inline valve body design prevents reverse flow in instrumentation and process lines. Suitable for use in high-purity fluid systems, chemical injection, and gas handling applications
HAM-LET
This poppet check valve features a 316 stainless steel body and seat, with 1/2 in FNPT connections. The inline valve body design prevents reverse flow in instrumentation and process lines. Suitable for use in high-purity fluid systems, chemical injection, and gas handling applications
This inline poppet check valve features a 316 stainless steel body and seat, with 3/8 in male NPT connections on both ends. It is designed to prevent reverse flow in instrumentation and process lines, suitable for high-purity gas, chemical, and hydraulic systems
HAM-LET
This inline poppet check valve features a 316 stainless steel body and seat, with 3/8 in male NPT connections on both ends. It is designed to prevent reverse flow in instrumentation and process lines, suitable for high-purity gas, chemical, and hydraulic systems
This HAM-LET poppet check valve features an inline valve body with a 316 stainless steel seat. Designed for water media, it is used in industrial fluid systems to prevent backflow in process lines
HAM-LET
This HAM-LET poppet check valve features an inline valve body with a 316 stainless steel seat. Designed for water media, it is used in industrial fluid systems to prevent backflow in process lines
Inline poppet check valve with 1 in pipe size, stainless steel body, and Let-Lok® connections. FKM seal provides chemical resistance. Prevents reverse flow in high-pressure fluid systems
HAM-LET
Inline poppet check valve with 1 in pipe size, stainless steel body, and Let-Lok® connections. FKM seal provides chemical resistance. Prevents reverse flow in high-pressure fluid systems
Inline poppet check valve with 3/8" FNPT connections, 316 stainless steel body and seat. Prevents reverse flow in instrumentation and process lines, suitable for gas and fluid systems where backflow protection is required
HAM-LET
Inline poppet check valve with 3/8" FNPT connections, 316 stainless steel body and seat. Prevents reverse flow in instrumentation and process lines, suitable for gas and fluid systems where backflow protection is required
This inline poppet check valve features a 316 stainless steel seat and FKM seals. It has a 1 in pipe size with Let-Lok® x Let-Lok® connections. Used in instrumentation and process lines to prevent reverse flow
HAM-LET
This inline poppet check valve features a 316 stainless steel seat and FKM seals. It has a 1 in pipe size with Let-Lok® x Let-Lok® connections. Used in instrumentation and process lines to prevent reverse flow