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Product Specifications:
| Item | Check Valve |
| Application | General Purpose |
| Body Material | Stainless Steel |
| Cap To Inlet Center | 1.688" |
| Connection Type | FNPT x FNPT |
| Cracking Pressure | 1/2 psi |
| Flow Design | Single |
| Hex Size | 1 3/4" |
| Length | 2 5/8" |
| Max. Steam Pressure | Not Rated |
| Max. Temp. | 302°F |
| Max. Water Pressure | 250 psi |
| Mechanism And Body Design | Inline Spring |
| Mounting Orientation | Horizontal/Vertical |
| Overall Height | 1.734" |
| Pipe Size, Tube Size | 3/4" |
| Seal Material | Viton |
| Seat Material | FKM |
| Spring Material | Stainless Steel |
| Spring Material Grade | Grade 316 |
| Valve Body Material Grade | Grade 316 |
| Width | 1.547" |
Shipping Info:
| Ship weight (kg) | 0.14 |
| Ship height (cm) | 4.41 |
| Ship length (cm) | 6.67 |
| Ship width (cm) | 3.93 |
| Country of Origin | IT |
Product Variants
| Product | Model | Body Material | Connection Type | Seat Material | Cracking Pressure | Max. Water Pressure | Overall Height | Pipe Size, Tube Size | Max. Steam Pressure | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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S250-1 1/2 | Stainless Steel | FNPT x FNPT | FKM | 0.5 psi | 250 psi | 3.078" | 1 1/2" | Not Rated | €141.37 | |
![]() |
S250-11/4 | Stainless Steel | FNPT x FNPT | FKM | 0.5 psi | 250 psi | 2.438" | 1 1/4" | Not Rated | €111.87 | |
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S800-11/4 | Stainless Steel | FNPT x FNPT | PTFE | 0.5 psi | 800 psi | 2.469" | 1 1/4" | 125 psi WSP | €310.21 | |
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S800-1 | Stainless Steel | FNPT x FNPT | PTFE | 0.5 psi | 800 psi | 2 1/8" | 1" | 125 psi WSP | €176.82 | |
![]() |
S250-1 | Stainless Steel | FNPT x FNPT | FKM | 0.5 psi | 250 psi | 2.094" | 1" | Not Rated | €83.91 | |
![]() |
S800-1/2 | Stainless Steel | FNPT x FNPT | PTFE | 0.5 psi | 800 psi | 1.344" | 1/2" | 125 psi WSP | €105.83 | |
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S250-1/2 | Stainless Steel | FNPT x FNPT | FKM | 0.5 psi | 250 psi | 1.266" | 1/2" | Not Rated | €65.92 |
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BONOMI S250-3/4 Check Valve, Single Flow, Inline Spring, 316 Stainless Steel, 3/4 Inch Pipe/Tube Size
€71.91 /unit


