Silent Check Valve, 3/4 in, Union FNPT, Brass
PartWTT9D34
MFG0061888
Description
WATTS® Backflow Preventer, Series: 9D Series, 3/4 in Nominal, Union FNPT x Union Joint, 175 psi, 250 deg F, Dual Check Backflow, Media: Water, Forged Brass Body, 4-1/2 in W x 2-9/16 in H, Domestic
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- Compact design
- Forged brass body for durability
- True line-sized construction allows the check modules to open further allowing dirt and debris to pass more freely reducing check fouling
- Stainless steel internal parts
- Maximum flow at low pressure drop
- Furnished with union connections to facilitate removal and replacement for maintenance
- Compact for economy combined with performance
- Design simplicity for easy maintenance
- Can be installed vertically or horizontally
- Durable, tight seating rubber check valve assemblies
Series 9D is specially made for smaller supply lines and ideally suited for laboratory equipment, processing tanks, sterilizers, dairy equipment and similar applications. It is particularly recommended for boiler feed lines to prevent backflow when supply pressure falls below system pressure. Series 9D is suitable for use on hot or cold water and can be used under continuous pressure. It features a primary check valve utilizing a rubber disc seating against a mating rubber part to ensure tight closing. A secondary check valve utilizes a rubber disc-to-metal seating. In the event of fouling of the downstream check valve, leakage would be vented to atmosphere through the vent port thereby safeguarding the potable water system. Construction is brass body with stainless steel working parts, integral strainer and durable rubber discs. Female union inlet and outlet connections. Sizes 1/2 in and 3/4 in. Drain is 1/2 in thread connection.
| Nominal Size | 3/4 in |
| End Style | Union FNPT |
| Material | Brass |
| Backflow Type | Dual Check |
| Body Material | Brass |
| Dimensions | 4-1/2 in L x 2-9/16 in H |
| Domestic/Import | Domestic |
| Media | Water |
| Pressure Rating | 175 psi |
| Temperature Rating | 33 to 250 deg F |
| Brand | WATTS® |
| UNSPSC | 40141600 |
| Alternate Part Number 1 | 9D M2 |
| Country of Origin | US |
| Manufacturer | Watts Water Technologies |
| UPC | 098268004281 |
| Manufacturer Part Number | 0061888 |
Intermediate Atmospheric Vent
Limited
ASSE 1012|CSA B64|PROP65: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm
For non-health hazard applications in smaller supply lines, such as laboratory equipment, processing tanks, sterilizers, dairy equipment, and specifically for boiler feed lines
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WATTS®Silent Check Valve, 3/4 in, Union FNPT, Brass
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