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

3G Electric
RFQ CartGet a QuoteSign inSign up
HAM-LET H-400HP-SS-L-3/8-1/3PSI Stainless Steel Instrumentation - Stainless Steel Instrumentation Poppet Check Valves
HAM-LETStainless Steel Instrumentation Poppet Check Valves

HAM-LET H-400HP-SS-L-3/8-1/3PSI Stainless Steel Instrumentation

The HAM-LET H-400HP-SS-L-3/8-1/3PSI is a stainless steel instrumentation poppet check valve for chemicals, gas, or oil. It features a water media, poppet, inline valve body design. 3G Electric interprets demand and…

SKU 3G-OTH-428751

Also listed as: H400HPSSL3813PSI · H 400HP SS L 3 8 1 3PSI · H-400HP-SS-L-3-8-1-3PSI

Brand
HAM-LET
Item
H-400HP-SS-L-3/8-1/3PSI Stainless Steel Instrumentation
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-400HP-SS-L-3/8-1/3PSI
Type
Water Media, Poppet, Inline Valve Body

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 H-400HP-SS-L-3/8-1/3PSI is a stainless steel instrumentation poppet check valve for chemicals, gas, or oil. It features a water media, poppet, inline valve body design. 3G Electric interprets demand and delivers this genuine industrial valve across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the HAM-LET H-400HP check valve used for?

The HAM-LET H-400HP stainless steel poppet check valve is used to prevent backflow in chemical, gas, oil, and water media systems. It is designed for instrumentation applications where reliable one-way flow control is critical, such as in process lines, analyzers, and sampling systems.

What are the specifications of the HAM-LET H-400HP check valve?

The HAM-LET H-400HP is a stainless steel instrumentation poppet check valve with an inline body. The manufacturer part number is H-400HP-SS-L-3/8-1/3PSI. It is designed for chemical, gas, oil, and water media. The valve uses a poppet mechanism for backflow prevention.

Where to buy HAM-LET H-400HP check valves worldwide?

You can source HAM-LET H-400HP check valves worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other HAM-LET instrumentation valves.

How to install a HAM-LET poppet check valve?

Install the HAM-LET poppet check valve in the correct flow direction as indicated by the arrow on the body. Ensure piping is clean and aligned to avoid stress. Use appropriate thread sealant on connections. After installation, test for leaks at operating pressure. Follow standard 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

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 Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-3/4-1/3PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-3/4-1/3PSI)
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/4-1PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/4-1PSI)
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/2-1/3PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/2-1/3PSI)
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/2-25PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/2-25PSI)
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/4-1/3PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/4-1/3PSI)
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/2-1PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400HP-SS-L-1/2-1PSI)

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
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
Inline poppet check valve with 316 stainless steel body and seat. 1/8 in pipe size, FNPT x FNPT connections. Cracking pressure 3 PSI. Used in instrumentation and process systems to prevent reverse flow of liquids or gases
HAM-LET
Inline poppet check valve with 316 stainless steel body and seat. 1/8 in pipe size, FNPT x FNPT connections. Cracking pressure 3 PSI. Used in instrumentation and process systems to prevent reverse flow of liquids or gases