We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

HAM-LET Check Valve: Poppet, Inline Valve Body, 3/4 in Pipe Size, Let-Lok x Let-Lok - Stainless Steel Instrumentation Poppet Check Valves
HAM-LETStainless Steel Instrumentation Poppet Check Valves

HAM-LET Check Valve: Poppet, Inline Valve Body, 3/4 in Pipe Size, Let-Lok x Let-Lok

The HAM-LET Check Valve: Poppet is a stainless steel instrumentation poppet check valve with an inline valve body and a 3/4 in pipe size, featuring Let-Lok® x Let-Lok® connections. It has a 316 stainless steel seat…

SKU 3G-OTH-428876

Also listed as: H400SSL3425PSI · H 400 SS L 3 4 25 PSI · H-400-SS-L-3-4-25-PSI

Brand
HAM-LET
Item
Check Valve: Poppet, Inline Valve Body, 3/4 in Pipe Size, Let-Lok x Let-Lok
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HAM-LET
Manufacturer Part Number
H-400-SS-L-3/4"-25 PSI
Type
Inline Valve Body, Let-Lok® x Let-Lok®, Let-Lok, FKM
Pipe Size
3/4 in
Seat Material
316 Stainless Steel

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 and a 3/4 in pipe size, featuring Let-Lok® x Let-Lok® connections. It has a 316 stainless steel seat material and is rated for 25 PSI, with FKM seals. This valve is designed for reliable backflow prevention in instrumentation systems.

Frequently Asked Questions

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

A HAM-LET poppet check valve prevents backflow in instrumentation systems. It is used in process control, chemical injection, and gas handling where reliable one-way flow is critical. The 316 stainless steel seat and FKM seals suit demanding industrial environments.

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

This HAM-LET check valve has an inline body with Let-Lok® x Let-Lok® connections, 3/4 in pipe size, 316 stainless steel seat, and FKM seals. It is rated for 25 PSI. The manufacturer part number is H-400-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 solutions provider, we handle full logistics and customs clearance to deliver genuine HAM-LET instrumentation valves to your facility, regardless of location.

How to install a HAM-LET Let-Lok® check valve?

Install the HAM-LET check valve in the correct flow direction indicated on the body. Use proper tube support and tighten Let-Lok® connections per manufacturer torque specifications. Ensure system pressure does not exceed 25 PSI. Always follow standard instrumentation valve installation 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

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
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, EPDM (MPN H-400-SS-L-3/8"-1 PSI-EP)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, EPDM (MPN H-400-SS-L-3/8"-1 PSI-EP)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1"-25 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1"-25 PSI)
Inline poppet check valve with 1/8 in pipe size, 316 stainless steel seat, and FKM seal. Let-Lok® connections for secure tubing installation. Used in instrumentation systems to prevent reverse flow of fluids or gases
HAM-LET
Inline poppet check valve with 1/8 in pipe size, 316 stainless steel seat, and FKM seal. Let-Lok® connections for secure tubing installation. Used in instrumentation systems to prevent reverse flow of fluids or gases
HAM-LET Check Valve: Poppet, Inline Valve Body, 12 mm Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-12MM-25 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 12 mm Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-12MM-25 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, PTFE (MPN H-400-SS-L-1/4"-3 PSI-PT)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, PTFE (MPN H-400-SS-L-1/4"-3 PSI-PT)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/2 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, EPDM (MPN H-400-SS-L-1/2"-1 PSI-EP)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/2 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, EPDM (MPN H-400-SS-L-1/2"-1 PSI-EP)

More from HAM-LET

View all HAM-LET parts
This HAM-LET poppet check valve is constructed of stainless steel with an inline valve body for water media. It features a 3/8 inch connection and a 1 PSI cracking pressure. Designed to prevent backflow in process instrumentation, hydraulic lines, and analytical equipment handling chemicals, gas, oil, or water
HAM-LET
This HAM-LET poppet check valve is constructed of stainless steel with an inline valve body for water media. It features a 3/8 inch connection and a 1 PSI cracking pressure. Designed to prevent backflow in process instrumentation, hydraulic lines, and analytical equipment handling chemicals, gas, oil, or water
This HAM-LET poppet check valve features an inline valve body with 6 mm Let-Lok® x Let-Lok® connections and FKM seals. The seat is made of 316 stainless steel. It is used in instrumentation systems to prevent reverse flow of liquids or gases
HAM-LET
This HAM-LET poppet check valve features an inline valve body with 6 mm Let-Lok® x Let-Lok® connections and FKM seals. The seat is made of 316 stainless steel. It is used in instrumentation systems to prevent reverse flow of liquids or gases
This inline poppet check valve is constructed of stainless steel and designed for water media. It prevents backflow in instrumentation systems such as process lines, analyzers, and sampling systems where one-way flow control is required
HAM-LET
This inline poppet check valve is constructed of stainless steel and designed for water media. It prevents backflow in instrumentation systems such as process lines, analyzers, and sampling systems where one-way flow control is required
Inline poppet check valve with 3/8" FNPT connections and 316 stainless steel body and seat. Prevents reverse flow in instrumentation and process lines handling corrosive or high-purity fluids. Suitable for chemical, oil and gas, and pharmaceutical applications
HAM-LET
Inline poppet check valve with 3/8" FNPT connections and 316 stainless steel body and seat. Prevents reverse flow in instrumentation and process lines handling corrosive or high-purity fluids. Suitable for chemical, oil and gas, and pharmaceutical applications
This HAM-LET poppet check valve features an inline stainless steel body with 8 mm Let-Lok® connections and FKM seals. Designed for 5 PSI cracking pressure, it prevents reverse flow in instrumentation systems for fluids or gases. Typical applications include chemical processing, oil and gas, and power generation
HAM-LET
This HAM-LET poppet check valve features an inline stainless steel body with 8 mm Let-Lok® connections and FKM seals. Designed for 5 PSI cracking pressure, it prevents reverse flow in instrumentation systems for fluids or gases. Typical applications include chemical processing, oil and gas, and power generation
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
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
This inline poppet check valve features a 316 stainless steel body and seat, with 3/4" MNPT x MNPT connections. It prevents reverse flow in instrumentation and process lines, suitable for corrosive or high-purity environments in oil and gas, chemical, and power generation systems
HAM-LET
This inline poppet check valve features a 316 stainless steel body and seat, with 3/4" MNPT x MNPT connections. It prevents reverse flow in instrumentation and process lines, suitable for corrosive or high-purity environments in oil and gas, chemical, and power generation systems
This inline poppet check valve is designed for water media in instrumentation systems. It features a 316 stainless steel seat and a poppet-type body to prevent backflow in process lines
HAM-LET
This inline poppet check valve is designed for water media in instrumentation systems. It features a 316 stainless steel seat and a poppet-type body to prevent backflow in process lines