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Product Specifications:
| Item | Check Valve |
| 3-a Compliance | Not Rated |
| Body Material | Cast Iron |
| Check Mechanism | Double Disc |
| Connection Size - Side 1 | 3" |
| Connection Size - Side 2 | 3" |
| Connection Type | Wafer |
| Connection Type - Side 1 | Wafer |
| Connection Type - Side 2 | Wafer |
| Cracking Pressure | 1.05 psi |
| Disc Material | Stainless Steel |
| Flow Coefficient (cv) | 170 |
| Flow Rate | 170 GPM |
| For Media | Gas, Liquids |
| Grade | Grade 304 |
| Max. Pressure (cwp) | 200 psi |
| Max. Pressure (steam) | Not Rated |
| Mounting Orientation | Horizontal, Vertical |
| Operating Temperature - Maximum | 250°F |
| Operating Temperature - Minimum | -20°F |
| Overall Length | 2.25" |
| Pipe Size | 3" |
| Seal Material | Buna-N |
| Seat Material | Buna-N |
| Silent Check | Standard |
| Spring Material | 316 Stainless Steel |
| Vacuum Service Rating | Not Rated |
| Valve Body Style | Inline |
| Valve Series | DD |
Shipping Info:
| Ship weight (kg) | 2.71 |
| Ship height (cm) | 5.72 |
| Ship length (cm) | 5.72 |
| Ship width (cm) | 13.65 |
| Country of Origin | CN |
Product Variants
| Model | Body Material | Pipe Size | Seat Material | Seal Material | Spring Material | Flow Rate | Grade | Connection Type | Price | |
|---|---|---|---|---|---|---|---|---|---|---|
| DD2R-36-364IX-250 | Stainless Steel | 2 1/2" | FKM | FKM | Inconel X 750 | 98 GPM | Grade 316 | Wafer | €1,219.19 | |
| DD2R-CS-361IX-500 | Carbon Steel | 5" | Buna-N | Buna-N | Inconel X 750 | 495 GPM | Grade 316 | Wafer | €1,310.44 | |
| DD2R-36-364IX-400 | Stainless Steel | 4" | FKM | FKM | Inconel X 750 | 290 GPM | Grade 316 | Wafer | €1,824.55 | |
| DD2R-36-364IX-910 | Stainless Steel | 10" | FKM | FKM | Inconel X 750 | 26000 GPM | Grade 316 | Wafer | €7,450.43 | |
| DD2R-36-364IX-300 | Stainless Steel | 3" | FKM | FKM | Inconel X 750 | 170 GPM | Grade 316 | Wafer | €1,411.25 | |
| DD2R-36-364IX-600 | Stainless Steel | 6" | FKM | FKM | Inconel X 750 | 720 GPM | Grade 316 | Wafer | €4,146.29 | |
| DD2R-CS-361IX-800 | Carbon Steel | 8" | Buna-N | Buna-N | Inconel X 750 | 1800 GPM | Grade 316 | Wafer | €2,927.85 |
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Contact us
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KECKLEY DD1F-CI-34136-300 Check Valve, Single Flow, Inline Wafer, Cast Iron, 3 Inch Pipe/Tube Size
€314.16 /unit


