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

HAM-LET 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, 3/4 in pipe size, and Let-Lok® x Let-Lok® connections. It features FKM seals and is identified by…

SKU 3G-OTH-428784

Also listed as: H400HPSSL3425PSI · H 400HP SS L 3 4 25 PSI · H-400HP-SS-L-3-4-25-PSI

Brand
HAM-LET
Item
Stainless Steel Instrumentation Poppet Check Valve
Category
Stainless Steel Instrumentation Poppet Check Valves
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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-400HP-SS-L-3/4"-25 PSI
Type
Inline Valve Body, Let-Lok® x Let-Lok®, Let-Lok, FKM
Pipe Size
3/4 in

Technical Documents

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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, 3/4 in pipe size, and Let-Lok® x Let-Lok® connections. It features FKM seals and is identified by manufacturer part number H-400HP-SS-L-3/4"-25 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 and leak-tight sealing are critical. The inline body design with Let-Lok® ends simplifies installation in tight spaces.

What are the specifications of the HAM-LET H-400HP-SS-L-3/4"-25 PSI check valve?

This HAM-LET check valve has a stainless steel body, 3/4 in pipe size, and Let-Lok® x Let-Lok® end connections. It uses a poppet design with an FKM seal and is rated for 25 PSI cracking pressure. The MPN is H-400HP-SS-L-3/4"-25 PSI.

Where to buy HAM-LET check valves worldwide?

3G Electric supplies HAM-LET check valves worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the H-400HP-SS-L-3/4"-25 PSI or other HAM-LET models.

How to install a HAM-LET poppet check valve?

Install the HAM-LET check valve in the correct flow direction indicated by the arrow on the body. Use proper tube support and torque the Let-Lok® nuts to manufacturer specifications. Ensure the line is clean and free of debris before installation to prevent seal damage.

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

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.

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This HAM-LET poppet check valve features an inline valve body with 3/4 in pipe size and Let-Lok® x Let-Lok® connections. The FKM seal and stainless steel construction make it suitable for instrumentation systems requiring backflow prevention. Typical applications include controlling one-way flow of liquids or gases in high-pressure lines
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This HAM-LET poppet check valve features an inline valve body with 3/4 in pipe size and Let-Lok® x Let-Lok® connections. The FKM seal and stainless steel construction make it suitable for instrumentation systems requiring backflow prevention. Typical applications include controlling one-way flow of liquids or gases in high-pressure lines
Inline poppet check valve with stainless steel body, 3/8 in pipe size, and Let-Lok® x Let-Lok® connections. FKM seals. Cracking pressure 10 PSI. Prevents reverse flow in instrumentation and high-pressure tubing systems
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Inline poppet check valve with stainless steel body, 3/8 in pipe size, and Let-Lok® x Let-Lok® connections. FKM seals. Cracking pressure 10 PSI. Prevents reverse flow in instrumentation and high-pressure tubing systems
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HAM-LET Check Valve: Poppet, Inline Valve Body, 3/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400HP-SS-L-3/4"-1 PSI)
Inline poppet check valve with stainless steel body and FKM seals. Features 1/4 in pipe size and Let-Lok® connections for leak-free installation. Used in instrumentation systems to prevent backflow in fluid-handling applications
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Inline poppet check valve with stainless steel body and FKM seals. Features 1/4 in pipe size and Let-Lok® connections for leak-free installation. Used in instrumentation systems to prevent backflow in fluid-handling applications
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400HP-SS-L-1/8"-10 PSI)
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HAM-LET Check Valve: Poppet, Inline Valve Body, 1/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400HP-SS-L-1/8"-10 PSI)
This HAM-LET poppet check valve features an inline valve body with 1 in pipe size and Let-Lok® x Let-Lok® connections. Constructed of stainless steel with FKM seals, it is designed to prevent reverse flow in instrumentation systems. Typical applications include high-pressure fluid and gas lines in industrial processes
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This HAM-LET poppet check valve features an inline valve body with 1 in pipe size and Let-Lok® x Let-Lok® connections. Constructed of stainless steel with FKM seals, it is designed to prevent reverse flow in instrumentation systems. Typical applications include high-pressure fluid and gas lines in industrial processes

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This stainless steel poppet check valve features an inline valve body and is designed for water media. It prevents reverse flow in piping systems, suitable for high-pressure applications in process instrumentation and industrial fluid handling. The 12 mm connection and 1/3 PSI cracking pressure enable use in systems requiring one-directional flow control
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This stainless steel poppet check valve features an inline valve body and is designed for water media. It prevents reverse flow in piping systems, suitable for high-pressure applications in process instrumentation and industrial fluid handling. The 12 mm connection and 1/3 PSI cracking pressure enable use in systems requiring one-directional flow control
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This stainless steel poppet check valve features an inline valve body with 1 in pipe size and Let-Lok® x Let-Lok® connections. The FKM seal provides chemical resistance. It is designed to prevent reverse flow in instrumentation systems, with a 5 PSI cracking pressure
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This HAM-LET poppet check valve features an inline valve body with a 316 stainless steel seat. Designed for water media, it is used for backflow prevention in industrial fluid systems handling chemicals, gas, or oil
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Inline poppet check valve with 316 stainless steel body and seat. Features 1/4 in FNPT x FNPT connections. Prevents reverse flow in instrumentation, process control, and gas handling systems
This HAM-LET poppet check valve features a stainless steel inline body designed for water media. It prevents backflow in piping systems, ensuring one-way flow direction. Typical applications include chemical, gas, and oil systems where reverse flow protection is required
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This HAM-LET poppet check valve features a stainless steel inline body designed for water media. It prevents backflow in piping systems, ensuring one-way flow direction. Typical applications include chemical, gas, and oil systems where reverse flow protection is required
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