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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 3/4 in pipe size, featuring Let-Lok® x Let-Lok® connections. It has a 316 stainless steel seat…

SKU 3G-OTH-428778

Also listed as: H400SSL341PSI · H 400 SS L 3 4 1 PSI · H-400-SS-L-3-4-1-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
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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-400-SS-L-3/4"-1 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

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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 and 3/4 in pipe size, featuring Let-Lok® x Let-Lok® connections. It has a 316 stainless steel seat material and FKM seals, with a 1 PSI cracking pressure (MPN H-400-SS-L-3/4"-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 systems. It is used in high-purity gas and liquid lines where reliable one-way flow is critical, such as in analytical instrumentation, chemical injection, and process control panels.

What are the specifications of the HAM-LET H-400-SS-L-3/4"-1 PSI check valve?

This HAM-LET check valve has a 3/4 in pipe size with Let-Lok® x Let-Lok® connections, an inline valve body, 316 stainless steel seat material, and FKM seals. It features a 1 PSI cracking pressure and is part number H-400-SS-L-3/4"-1 PSI.

Where to buy HAM-LET check valves worldwide?

3G Electric supplies HAM-LET check valves worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the H-400-SS-L-3/4"-1 PSI or other HAM-LET models.

How to install a HAM-LET Let-Lok® 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 tighten Let-Lok® nuts to manufacturer torque specifications. Ensure the system is depressurized before installation and verify FKM seal compatibility with your media.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
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"-1/3 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"-1/3 PSI)
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"-10 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"-10 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"-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-400-SS-L-1"-1 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/8"-1/3 PSI)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/8 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, FKM (MPN H-400-SS-L-1/8"-1/3 PSI)
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"-3 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"-3 PSI)
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, EPDM (MPN H-400-SS-L-1/4"-5 PSI-EP)
HAM-LET
HAM-LET Check Valve: Poppet, Inline Valve Body, 1/4 in Pipe Size, Let-Lok® x Let-Lok®, Let-Lok, EPDM (MPN H-400-SS-L-1/4"-5 PSI-EP)

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