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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet - Stainless Steel Straight-Body Needle Valves
HAM-LETStainless Steel Straight-Body Needle Valves

HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet

The HAM-LET H-310U-SS-N-R-1/4-RS is a 316 stainless steel straight-body needle valve from the H300U series, featuring an integral bonnet and a regulating stem. It has FNPT x FNPT connections (female NPT on both…

SKU 3G-OTH-446253

Brand
HAM-LET
Item
Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet
Category
Stainless Steel Straight-Body Needle Valves
Available to Order
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Technical Specifications

HAM-LET
Manufacturer Part Number
H-310U-SS-N-R-1/4-RS
Type
Integral Bonnet, FNPT x FNPT
Handle
Plastic Knob
For Media
Liquid
Standards
ISO 15848-1
Stem Type
Regulating
Valve Series
H300U
Connection Type
FNPT x FNPT
Stainless Steel
316
Connection Type - Side 1
NPT
Connection Type - Side 2
NPT
Connection Gender - Side 1
Female
Connection Gender - Side 2
Female
View Full Spec Sheet

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HAM-LET Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HAM-LET H-310U-SS-N-R-1/4-RS is a 316 stainless steel straight-body needle valve from the H300U series, featuring an integral bonnet and a regulating stem. It has FNPT x FNPT connections (female NPT on both sides) and a plastic knob handle, designed for liquid media. This valve complies with ISO 15848-1 standards.

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 straight-body needle valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-R-1/2-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/4-M). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Screw-In Bonnet, Let-Lok (MPN H-99S-00-SS-L-V-12MM-G). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H99; Stem Type: V-Stem; Connection Type - Side 1: Let-Lok; Connection Type - Side 2: Let-Lok; Connection Type: Let-Lok x Let-Lok.
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/4-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Integral Bonnet, FNPT x FNPT (MPN H-310U-SS-N-V-1/4-RS). Key specifications — For Media: Liquid; Standards: ISO 2006(E); Brand: HAM-LET; Valve Series: H300U; Stem Type: V-Stem; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Screw-In Bonnet, FNPT x FNPT (MPN H-99S-10-SS-N-R-3/8). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H99; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.
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HAM-LET Plumbing Needle Valves: Inline Valve Body, 316 Stainless Steel, Screw-In Bonnet, FNPT x FNPT (MPN H-99S-10-SS-N-R-3/8). Key specifications — For Media: Liquid; Standards: ISO 15848-1; Brand: HAM-LET; Valve Series: H99; Stem Type: Regulating; Connection Gender - Side 2: Female; Connection Gender - Side 1: Female; Connection Type - Side 1: NPT.