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

HAM-LET Check Valve: Poppet, Inline Valve Body, 1/2 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, 1/2 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 1/2 in pipe size, featuring Let-Lok® x Let-Lok® connections. It has a 316 Stainless Steel seat…

SKU 3G-OTH-428928

Also listed as: H400SSL1213PSIPT · H 400 SS L 1 2 1 3 PSI PT · H-400-SS-L-1-2-1-3-PSI-PT

Brand
HAM-LET
Item
Check Valve: Poppet, Inline Valve Body, 1/2 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 — 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-400-SS-L-1/2"-1/3 PSI-PT
Type
Inline Valve Body, Let-Lok® x Let-Lok®, Let-Lok, PTFE
Pipe Size
1/2 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 1/2 in pipe size, featuring Let-Lok® x Let-Lok® connections. It has a 316 Stainless Steel seat material and PTFE components, with a manufacturer part number of H-400-SS-L-1/2"-1/3 PSI-PT.

Frequently Asked Questions

What is the HAM-LET H-400-SS-L-1/2"-1/3 PSI-PT check valve used for?

The HAM-LET H-400-SS-L-1/2"-1/3 PSI-PT is a stainless steel instrumentation poppet check valve used to prevent reverse flow in high-purity or corrosive fluid systems. It is commonly applied in chemical processing, oil and gas, and analytical instrumentation where reliable one-directional flow control is required.

What are the specifications of the HAM-LET H-400-SS-L-1/2"-1/3 PSI-PT check valve?

This HAM-LET check valve has a 1/2 in pipe size with an inline valve body and Let-Lok® x Let-Lok® connections. The seat material is 316 Stainless Steel, and it includes PTFE components. The manufacturer part number is H-400-SS-L-1/2"-1/3 PSI-PT.

Where to buy the HAM-LET H-400-SS-L-1/2"-1/3 PSI-PT check valve worldwide?

You can source the HAM-LET H-400-SS-L-1/2"-1/3 PSI-PT check valve from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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. Use compatible Let-Lok® fittings and tighten connections to manufacturer torque specifications. Ensure the system is depressurized before installation and avoid overtightening to prevent seat 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.

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, 1/2 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, PTFE (MPN H-400-SS-L-1/2"-1 PSI-PT)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/2 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, PTFE (MPN H-400-SS-L-1/2"-1 PSI-PT)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/2 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/2"-3 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/2 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/2"-3 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"-1/3 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"-1/3 PSI-PT)
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-3/8"-25 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-3/8"-25 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/4"-3 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/4"-3 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/4"-25 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/4"-25 PSI)

More from HAM-LET

View all HAM-LET parts
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, MNPT x MNPT, 316 Stainless Steel (MPN H-480-SS-N-3/8"-10 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, MNPT x MNPT, 316 Stainless Steel (MPN H-480-SS-N-3/8"-10 PSI)
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400-SS-L-3/8-1/3PSI)
HAM-LET
HAM-LET Instrumentation Check Valve: For Chemicals/Gas/Oil, Water Media, Poppet, Inline Valve Body (MPN H-400-SS-L-3/8-1/3PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400HP-SS-L-1"-1 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-400HP-SS-L-1"-1 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, FNPT x FNPT, 316 Stainless Steel (MPN H-410-SS-N-3/8"-5 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 3/8 in Pipe Size, FNPT x FNPT, 316 Stainless Steel (MPN H-410-SS-N-3/8"-5 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 12 mm Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400HP-SS-L-12MM-10 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-400HP-SS-L-12MM-10 PSI)
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"-5 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"-5 PSI)
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"-3 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"-3 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, MNPT x MNPT, 316 Stainless Steel (MPN H-480-SS-N-1"-1/3 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1 in Pipe Size, MNPT x MNPT, 316 Stainless Steel (MPN H-480-SS-N-1"-1/3 PSI)