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 | 1.8 |
| For Media | Chemicals, Gas, Oil, Water |
| Hex Size | 1" |
| Includes Counterweight | No Counterweight |
| Length | 2.953" |
| Max. Pressure | 6000 psi |
| Max. Pressure (cwp) | 6000 psi |
| Max. Temp. | 400°F |
| Max. Water Pressure | 6000 psi |
| Mechanism And Body Design | Inline Spring |
| Media Temperature Range | -10°F to +400°F |
| Min. Temp. | -10°F |
| Mounting Orientation | Horizontal, Vertical |
| Operating Temperature - Maximum | 400°F |
| Overall Length | 2.96" |
| Pipe Or Tube Size | 1/2" |
| Pipe Size, Tube Size | 1/2" |
| Poppet Material | Stainless Steel |
| Poppet Material Grade | Grade 304 |
| Seal Material | FKM |
| Silent Check | Standard |
| Spring Material | Stainless Steel |
| Spring Material Grade | Grade 304 |
| Temp. | -10°F to +100°F |
| Vacuum Service Rating | Not Rated |
| Valve Body Style | Inline |
| Valve Series | H400-HP Series |
| Valve Ways | 2-Way |
Shipping Info:
| Ship weight (kg) | 0.19 |
| Ship height (cm) | 2.54 |
| Ship length (cm) | 7.5 |
| 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-400-SS-L-1/2-1PSI | Let Lok x Let Lok | 1 psi | FKM | 1" | 1/2" | 3000 psi | Grade 302 | 375°F | €381.32 | |
![]() |
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
- GATES 46572604 Hose Coupling, 0.75 Inch I.D, 1.04 Inch O.D, 500 PSI, Black
- APPROVED VENDOR 1BUB3 Clevis Pin, Headless, 3/8 In Pin Dia., 2 In Usable Lg., 2 11/32 In Lg., Drilled Headless
- KIPP K0737.3081X25 Adjustable Handle, Straight, Zinc Handle, M8 Thread Size, 25 mm Stud Length
- MORSE CUTTING TOOLS 52945 Cutting End Mill, ‎3/4 x 3/4 x 2 1/2 x 5 Inch Size, 3 Flute, Single End
- TESA BROWN SHARPE 00730073 Digital Height Gauge, 0 to 350 mm/170 to 520 mm Range, Cable/Wireless, IP20
- GRAINGER U38805.012.0675 O-Ring, 261, 6 3/4 Inch Inside Dia, 7 Inch Outside Dia, 90 Shore A, Black
- BALDOR / DODGE 23S05LWP TIGEAR-2 Reducer With White Paint
- CASH VALVE GT11317736 Screw, 5/16-18Unc-2A, Hex, Sealing With Fkm O-Ring, For Sullair 1600
Explore More
- ACCURIDE
- JABSCO
- KEYSHAFT
- PROTEAM
- ACROVYN
- Air Nibblers and Shears
- Limit/Interlock Switches
- Tower Light Tiers
- Ring Gauges
- Gasket Cutters
- LOUISVILLE AE3200 Series Aluminum Extension Ladders
- DESTACO 344-R Series Pull Action Latch Clamps
- VIEGA PROPRESS Caps, Copper, Press Connection
- CHICAGO PNEUMATIC CP82 Series Impact Wrenches
- BOLLE SAFETY Rush Safety Glasses
- REGAL Metric STI Bottom Hand Taps, HSS, TiCN
- STARRETT 99950 Series Intenss PRO-VTH Bi-Metal Band Saw Blades
- WATTS 77S Series Y Wye Strainers
- MILWAUKEE VALVE Chain Levers
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-400HP-SS-L-1/2-1PSI Instrumentation Check Valve, Stainless Steel, 1/2 in, Inline Spring
€326.01 /unit




