FREE delivery on orders over €150
Product Specifications:
| Item | Instrumentation Check Valve |
| 3-a Compliance | Not Rated |
| Body Material | Stainless Steel |
| Check Mechanism | Poppet |
| Connection Size - Side 1 | 1/2" |
| Connection Size - Side 2 | 1/2" |
| Connection Type | Let Lok x Let Lok |
| Connection Type - Side 1 | Let-Lok |
| Connection Type - Side 2 | Let-Lok |
| Cracking Pressure | 1 psi |
| Flow Coefficient (cv) | 1.68 |
| For Media | Chemicals, Gas, Oil, Water |
| Hex Size | 1" |
| Includes Counterweight | No Counterweight |
| Length | 3.031" |
| Max. Pressure | 3000 psi |
| Max. Pressure (cwp) | 3000 psi |
| Max. Temp. | 375°F |
| Max. Water Pressure | 3000 psi |
| Mechanism And Body Design | Inline Spring |
| Media Temperature Range | -10°F to +375°F |
| Min. Temp. | -10°F |
| Mounting Orientation | Horizontal, Vertical |
| Operating Temperature - Maximum | 375°F |
| Overall Length | 3.03" |
| Pipe Or Tube Size | 1/2" |
| Pipe Size, Tube Size | 1/2" |
| Poppet Material | Stainless Steel |
| Poppet Material Grade | Grade 316 |
| Seal Material | FKM |
| Seat Material | Stainless Steel |
| Seat Material Grade | Grade 316 |
| Silent Check | Standard |
| Spring Material | Stainless Steel |
| Spring Material Grade | Grade 302 |
| Temp. | -10°F to +100°F |
| Vacuum Service Rating | Not Rated |
| Valve Body Style | Inline |
| Valve Series | H400 Series |
| Valve Ways | 2-Way |
Shipping Info:
| Ship weight (kg) | 0.19 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.7 |
| Ship width (cm) | 2.54 |
| Country of Origin | IL |
Product Variants
| Product | Model | Connection Type | Cracking Pressure | Seal Material | Hex Size | Pipe Size, Tube Size | Max. Pressure | Spring Material Grade | Max. Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
H-400-SS-L-1-1/3PSI | Let Lok x Let Lok | 0.33 psi | FKM | 1 3/8" | 1" | 2000 psi | Grade 302 | 375°F | €1,509.25 | |
![]() |
H-410-SS-N-1/2-1/3PSI | FNPT x FNPT | 0.33 psi | FKM | 1 1/8" | 1/2" | 3000 psi | Grade 302 | - | €335.70 | |
![]() |
H-400HP-SS-L-1/2-1PSI | Let Lok x Let Lok | 1 psi | FKM | 1" | 1/2" | 6000 psi | Grade 304 | 400°F | €326.01 | |
![]() |
H-400HP-SS-L-1/2-25PSI | Let Lok x Let Lok | 25 psi | FKM | 1" | 1/2" | 6000 psi | Grade 304 | 400°F | €314.78 | |
![]() |
H-400-SS-L-1/2-1/3PSI | - | 0.333 psi | Fluorocarbon Fkm | 15/16" | 1/2" | 3000 psi | Grade 302 | 375°F | €370.46 | |
![]() |
H-480-SS-N-1/2-1/3PSI | MNPT x MNPT | 0.33 psi | FKM | 1" | 1/2" | 3000 psi | Grade 302 | 375°F | €380.10 | |
![]() |
H-415-SS-N-1/4-1PSI | FNPT x MNPT | 1 psi | FKM | 5/8" | 1/4" | 3000 psi | Grade 302 | 375°F | €153.16 |
Explore Products
- MARTIN SPROCKET CSW20066X40 Wing Pulley, Standard, 20 Inch Outside Dia., MXT40 Bushing, 66 Inch Face Width, Steel
- PEER CHAIN 41130 Roller Link Chain, C2082 Heavy Stainless Pitch, 50 Feet Length
- MAIN FILTER INC. MF0714086 0160DN003BN4HC Interchange Hydraulic Filter, Glass, 3 Micron, Viton Seal, 6.18 Inch Height
- SMC VALVES MGQ25-31-M1100A Guided Cylinder
- GATES 4G2-4FJX-4FJX-36
- VERMONT GAGE 361159020 Ring Plug Gage, Go, 7/8-20 UNEF, 3A, Steel
- APOLLO VALVES 15117B100X Air Relief Valve, 1/2 Inch Size, 100 Psi Pressure, Brass
- ERICKSON 100TGC0438 Collet, Round Face, 7/16 Inch Size
Explore More
- KEYSHAFT
- METRO
- SLICK LOCKS
- ZICO
- HILMOR
- Totes
- Refrigerant Leak Repair Kits
- Enclosure Coolers
- Funnel Accessories
- Oil Burner Parts
- VIEGA PROPRESS Bronze/Brass Straight Ball Valve, Press x Press
- REVCOR Propeller 18 Inch
- DESTACO 817 Series Pneumatic Toggle Clamps
- DEWALT Auger Safety Glasses
- DAYTON Coated / Uncoated Cables
- YALE Rod Extension Light Bronze
- WRIGHT TOOL 3/4 Inch Drive 12 Point Standard Sockets
- STARRETT-UK Dual Cut Wood Cutting Jig Saw Blades, Bi-Metal Unique
- LUMAPRO Miniature LED Bulbs
Contact us
Contact your account manager right away to get personal advice.
We're available Monday through Friday, from 07:30 until 17:00.
HAM-LET H-400-SS-L-1/2-1PSI Instrumentation Check Valve, Stainless Steel, 1/2 in, Inline Spring
€381.32 /unit




