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Product Specifications:
| Item | Check Valve |
| 3-a Certified | Not Rated |
| Ansi Flange Class | Class 125 |
| Application | Process Piping |
| Body Material | Ductile Iron |
| Cap To Inlet Center | 1 1/2" |
| Check Mechanism | Swing |
| Connection Size-side 1 | 12" |
| Connection Size-side 2 | 12" |
| Connection Type | Wafer |
| Connection Type-side 1 | Wafer |
| Connection Type-side 2 | Wafer |
| Cracking Pressure | 0.29 psi |
| Disc Material | Stainless Steel |
| Flow Design | Single |
| Flow Rate | 3850 GPM |
| For Media | Fluids |
| Grade | Grade 304 |
| Height-cap To Inlet Center | 1 1/2" |
| Included Counterweight | Counterweight Included |
| Length | 16 1/8" |
| Max. Operating Temp. | 250°F |
| Max. Pressure (cwp) | 250 psi |
| Max. Steam Pressure | Not Rated |
| Max. Temp. | 250°F |
| Max. Water Pressure | 250 psi |
| Mechanism And Body Design | Inline Wafer |
| Media Temp. | -70°F to +250°F |
| Min. Operating Temp. | -70°F |
| Mounting Orientation | Horizontal, Vertical |
| Overall Height | 14.719" |
| Overall Length | 16.13" |
| Pipe Size, Tube Size | 12" |
| Seal Material | Buna N |
| Seat Material | Buna N |
| Silent Check | Standard |
| Spring Material | Stainless Steel |
| Spring Material Grade | Grade 316 |
| Temp. | 100°F |
| Vacuum Service Rating | Not Rated |
| Valve Body Style | Inline |
| Valve Series | SDX Series |
| Width | 3 1/2" |
Shipping Info:
| Ship weight (kg) | 0.9 |
| Ship height (cm) | 37.39 |
| Ship length (cm) | 40.96 |
| Ship width (cm) | 8.89 |
| Country of Origin | CN |
Product Variants
| Product | Model | Seat Material | Cracking Pressure | Max. Water Pressure | Pipe Size, Tube Size | Overall Height | Mechanism And Body Design | For Media | Media Temp. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
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P05654A | - | - | - | - | - | - | - | - | €75.63 | |
![]() |
P03690A | - | - | - | - | - | - | - | - | €210.19 | |
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10SDS15-SSP-R | Metal | 0.01 psi | 275 psi | 10" | 13 3/8" | Inline Wafer | Gas Service, Liquids, Steam | -450°F to +1000°F | €2,261.81 | |
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12SD15-SSBS-R | Buna N | 0.24 psi | 275 psi | 12" | 16 1/8" | Inline Wafer | Oil, Water | -70°F to +250°F | €2,795.33 | |
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2.5SDS15-SSP-R | Metal | 0.01 psi | 275 psi | 2 1/2" | 4 7/8" | Inline Wafer | Gas Service, Liquids, Steam | -450°F to +1000°F | €480.75 | |
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2SDS15-SSP-R | Metal | 0.01 psi | 275 psi | 2" | 4 1/8" | Inline Wafer | Gas Service, Liquids, Steam | -450°F to +1000°F | €488.58 | |
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3SDS15-SSP-R | Metal | 0.01 psi | 275 psi | 3" | 5 3/8" | Inline Wafer | Gas Service, Liquids, Steam | -450°F to +1000°F | €608.20 |
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Contact us
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CHAMPION 12SDX12-LTBS-P2/5 External Spring Lever Check Valve With Weight, Single Flow, Inline Wafer, Ductile Iron
€3,896.15 /unit



